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Flowerhorn fish – Questions Answered:


This cichlid, the Zhen Zhou, is a hybrid of Asian origin “created” on the year 1999 when crossing the first race or generation of the Flower Horn Lou Han (across is believed with Amphilophus Citrinellus, Amphilophus Trimaculatus, Paratheraps Melanorus, Paratheraps Fenestrata and finally, a Parrot net) with some pearly American cichlid, it is believed that it was with a Herichthys Carpintis but its crossing is unknown.

Being across with Amphilophus Citrinellus have a similar appearance, robust body and laterally compressed, pointed fins, in the males a large bulge in the head, in some occasions the females can also develop that protuberance or nuchal hump, but if they develop it will be lower than that of the male, base of the head red to the middle of the body, the other half of the body together with tail fin, dorsal and anal, very light gray sometimes with black edges.

With bulging eyes wide and powerful mouth, It has a black lateral line. The name Flower Horn the translation would be the flowery horn that is due to a black spot in the form of flower located at the base of the hump. Body with pearly spots that vary from white to blue, Zhen Zhou means pearly


The males can reach 30 cm, females smaller than 20 cm.

Big Flowerhorn With Big Kok

Sexual differences:

Males larger than females, these develop a bulge in the head, females usually have black spots on the dorsal fin but not always, and sometimes the male also has them. The males have a red color more bright and strong than the females. Sometimes it is difficult to sex to sexual maturity.

Parameters of water:

Ph between 7 and 8 prefer slightly alkaline waters, Kh between 5 and 16o, temperature between 26o and 30o being the ideal 28-29o C.


Highly territorial, it is not advisable to keep them in community aquariums. They show excessive aggressiveness in the breeding season so you have to be careful sometimes when it comes to joining the two sexes if you want to reproduce them. Care must also be taken when maintaining the aquarium by introducing hands in the aquarium at the time of reproduction.


They need tanks from 200 litters, with a filtration no less than 1000-1200 l / h filter flow with a good biological and mechanical filter base with good lighting. Refrain from decorating the tank with roots and branches if the water has a low pH as these make the water even more acidic.

It can also be dangerous to have branches and sharp edges can cause cuts and wounds on the skin. If you want to decorate the tank you can use rocks and stones with smooth and smooth edges that cannot move and depending on the kH and pH can be limestone or calcareous if the water is soft and we want to maintain a stable pH or siliceous if the water is already hard enough and we do not want to increase it.

The best gravel of light colour and with a granulometry greater than 5 millimetres since sometimes very fine and can lodge in the gills, these fish like to dig a lot, it can also be left without gravel and it is much easier to clean the undone, it would suffice with a net to pick them up and pass some kind of scraper or sponge on the floor minimum once a week, if the waste is collected once a day much better, this way we do not saturate the filter. It can also be placed as a gravel a few ceramic combs or filtering material such as porous stones, this way we will increase the nitrifying bacteria responsible for recycling the organic waste previously contained in the gravel.

Flowerhorn In a Big Tank

The Flower horn requires great luminosity so it is advisable to line the back and the ground (if you decide to leave it devoid of gravel) outside the aquarium with a light colored sheet well glued on top to prevent water from entering and stains are formed when it evaporates (usually splash a lot), the most recommended is the colour blue. It can also be lined with adhesive vinyl, painted with acrylic paint or liquid spray that can be removed easily and without damaging the glass if we get tired of that decoration.

Taking care of this fish is not an easy task and one might end up having several queries. So here are the results of all the queries that one has when owning a Flowerhorn fish:

What substrate is to be used for the tank?

I would recommend you, record with a size of 3 to 5 mm as they are fish that were hybridized among Americans, their hobby is to scab the substrate. It can be a dark color preferably.

What kind of decoration?

This should be based on trunks and rocks, since it is not found in nature because it is a hybrid, we take the fish biotope that is its base, in this case, The Amphibious Thrimaculatum, in my country I find A. Thrimaculatum in almost all the rivers of the south, its biotope is practical, fallen trunks and rocks.

What background color?

You can put a background color based on rocks, or simulating a wall.

Aquarium Decoration

What kind of filter?

Well, it has to be one that moves at least 4 times the volume of your aquarium since it is a fish that will grow a lot and the bigger, the dirtier. You must take into account the filtering material that you are going to use since it is an important base to keep your aquarium in good conditions.

With the size of the fish tank we are a bit short, we recommend 200l per adult specimen, however, a young specimen can have it without complications.

Is raw the only healthiest option for a baby Flowerhorn?

If one doesn’t find it comfortable to feed live and raw food to the fish, he/she can also give him frozen food which is not very old and kept in a dry place.

–    Siking, Dried Anchovies, Freeze grasshopper, dried worms, dried krill, etc.

–    Soak the cold and food for a while in a tank full of water this will help to not let any digestion issues occur for time being. They are not only nutritious but also include the same values to natural raw food.

Baby Flowerhorn

What is the balanced diet for a baby Flowerhorn?

As per the staple diet, one can feed baby Flowerhorn on high nutritious cichlid pellet, quality matters in all cases.  One should not buy cheap fish food and also should continuously change the given diet supplements so that it can have as many health benefits taken from different food and diets. As one see aging and growth in the fish, brine shrimps and tubifex worms can be given as diet also including black worms, insects, and even some other small seasonal fishes.

Why does a Flowerhorn fish spit out sometimes?

It is because the fish might have felt full. Flowerhorn does not like overeating so whenever they feel full, they usually spit out.

How often to feed Flowerhorn?

3 to 5 minutes 3 times a day is a good way to get your Flowerhorn obese.

Will the Flowerhorn die getting bored in that separator?  Is it okay for the FH to stay in that little separator?

Since many people saw fully grown Flowerhorns, it is mostly recommended that they could do well in a breeding box, if anything about the standard measurement of the occupancy vessel that is not specific, not about the size of the divider is being mentioned. So having no standards is indeed helpful, also it would be likely to emphasize that your Flowerhorn needs a regular occupancy vessel in place something that limits its space.

If there is only one female flower horn fish in my aquarium will it laid eggs? Or does it need to have male FH fish also?

Flowerhorn females can lay eggs without having a male in the same tank, so there’s no need to purchase a male in your case.

Female Flowerhorn

Are Flowerhorn Fishes dangerous?

Yes, they can be dangerous. It is because of their aggressive nature. They do bite anything. So it is always recommended to keep them in a separate tank.

What is the recommended the diet chart so as to improve results in the health and fitness of the fish?

There are many commercial foods available that contain color enhancers and have a high protein percentage for quick growth; they all do the same job. You can mix them with the Beef heart but to keep the diet varied it would be good to feed them separately, giving the pieces of beef-heart to the Flowerhorns for some 2-3 times in a week.

One can simply remove the fatty tissues for the lean meat and then mince it; this will make a Beef heart. Many people also use to add a crushed tablet of children vitamins as well as some spinach, a little gelatine to bond the feed, mix it all up and place it into an old ice cube tray so that I could freeze it and just use as much as I needed each time.

What should be the size and age of Female Flower Horn Fish to lay their eggs? How many days does it take to lay eggs for the second time?

Typically it takes 6 months FH fish to become mature sexually. They should be usually 4 inches long in size that is roughly 10 to 11 cm. Once she lays eggs, she can breed every month.

Flowerhorn Laying Eggs

How can one deal with full and partial aggressive behavior when you put your hands and fingers in the tank?

Basically, your Flowerhorn has made himself at home on your aquarium; fingers in the tank are a threat to its territory so it is defending this and is perfectly normal. All of the large Cichlids will move the decor around to suit themselves so if you want it to remain in one place it will need securing. If you have a glass heater in the tank always use a heater guard as the Flowerhorn is more than capable of smashing the glass tubing, putting itself in danger so better safe than sorry. When your fish moves into the hollow in the substrate it is only resting which proves that it feels secure in your tank.

Why does the forehead of the Flowerhorn fish get shrunk when the tank water is replaced with new water?

As the quality of water changes, the accustomizing in this fish starts occurring, which leads to a sudden shrinkage in the forehead. The fish recovers this in a couple of days after getting settled with the new water.

Healthy Flowerhhorn

If the Flowerhorn fish is sick then how can you figure out that?

When the Flowerhorn suddenly turns to be very dizzy and inactive, it will also face the problem of appetite that is indeed the main reason for the change in the color of fish that turns to be pale.

How can one keep the Flowerhorn fish away from sickness?

One must have a look that the tank water quality is maintained throughout the time and also provide the same quality water when it is periodically changed. This will keep your Flowerhorn disinfected and free from any viral disease.

How to keep the live food of this fish protected from getting infected?

It is recommended for the small tank owners to apply a layer of solution which is harmless and also prevents bacterial infection.  Also, appropriate temperature and water quality should be maintained, so that in a couple of hours when this live fish applied with the solution can be placed in the water tank having suitable parameters.

Is processed food recommended for the Flowerhorn fish on regular basis?

One can try to feed the Flowerhorn fish at least twice in one day. But the processed meal should be of good quality having the trusted brand name on it can.

Beauty Flowerhorn Red Dragon

Will the Flowerhorn fish die out of hunger when you are out of town for a holiday?

One should not consider this to be harmful to the health or fitness of the fish and try to overfeed the fish. Overfeeding will be harmful. One should feed the fish as per how it is fed regularly on daily basis. One can also adopt an automatic feeder.

Is keeping the aquarium lights on throughout the day necessary?

A. One can keep the lights on for a maximum of 6 hours in the day. It will help in gaining some light to the Flowerhorn fish on daily basis as per its requirement. But during the sleeping hours, one should strictly switch off the light as it is the resting time of the fish.

How to select a background poster for the Flowerhorn aquarium?

As there are various design alternatives available in the market, but it is recommended to use a light color background as the Flower horn fish will need a bright and vibrant atmosphere in the daytime. It will also enhance the color of the fish by not merging with the context.

Why does the color of the Flowerhorn fish turn to be pale periodically?

As the different quality of water will have different acidity level, the suitability will take time to achieve for the fish. This turns the color of fish in pale shades. One should also check the pH level of water and then use it in the tank.

Why does the hump of few Flowerhorn fish too small?

As the “race” or we call it as the genetics of the fish, all the species will have different sizes of the hump in particular. It also depends on the environment at times when a sufficient amount of food is not been given to the Flowerhorn fish.

Flowerhorn With Big Hump

Why does the color of the fish turn dark that even makes it a shy fish?

If the fish is new to the atmosphere and introduced to you for the first time, it is naturally going to be shy at first. It will also change the pigmentation of the color combination on the skin, which turns to be dark. In this case, the fish should be given enough time to settle down in the new atmosphere. After a couple of days, the Flowerhorn will be back with its vibrant colors. During these days, one should take care of feeding the fish appropriately and try not to make the fish aggressive by having any rude gesture.

How to know if your fish is male or female?

When the baby Flowerhorn grows and becomes at least 4 inches long, one can determine the sex of the fish by observation and noticing the behavioral pattern. Generally, the female fish develops the ability to lay eggs. Determination of the sex can be done in a simple way by observing its anal pore. The male will have a V shape anal pore and the female will have a U shaped anal pore. The hump of the male fish is more developed than the one of the female fish. Also, the body figure of male fish is more dominant and bigger in size compared to the female fish.

Is maintenance of the Flowerhorn fish possible in cold regions?

One can simply buy and apply a water heater in the house or the interiors that will heat the water in the tank and make the water warm enough to swim.

What is the reason behind the female fish eating her own eggs?

When the Flowerhorn is too hungry or gets aggressive about her own eggs, it gulps down the eggs as it wants. So after the laying of eggs, a few days later the female fish should be kept in the separate area.

Female Flowerhorn Eating Her Eggs

How long can the Flowerhorn fish live?

The assumed number is 6 years as one of the oldest Flowerhorn fish was about 6 years old. It all depends on the type of the species and its type.

Is it okay to keep the Flowerhorn fish alone in the tank?

Frequently aquarists like to have much fish in their aquariums and sometimes we do not notice if the species are compatible in terms of aggressiveness and water requirements but, we put all together and “see what comes out”. Sometimes these cohabitations happen by chance if the founder has a large enough tank and an adequate filtering system, but, partners, if you want to have Flower Horns, the rule are: Avoid cohabitations.

The Flowerhorn is a very aggressive cichlid and cannot be maintained with any other fish as it will attack it to kill it, sometimes a cohabitation can work if you have a very large tank but as hard as any of us can maintain tanks of more than 600 litters then starting from this point,

What is the minimum space and size of the tank required for Flowerhorn fish?

The minimum space required for your Flowerhorn for life would be a tank of 270 litters, can be in smaller tanks while they grow, but for life is recommended 270, maybe you can get away with yours with a tank of 180 litters but not as the most recommended.

Is live food recommended for the Flowerhorn fishes?

One cannot fully disagree with this, The Flowerhorns are expensive and you will not want to give pathogen carriers to your fish of more than 2 thousand pesos so that they get sick and die, so minimum live food is to be given unless you give them away perfectly well wormed, otherwise nothing.

Making divisions in the tank is a feasible option?

Do not put two Flowerhorns in the same tank with a division that allows them to see each other, remember that they have to be only if you want them to develop all of their potentials.

Two Male Flowerhorns Togethers

How to know if the female Flowerhorn Fish has laid eggs in the tank? What is the color of the eggs and how many days or months or years it takes?

Rather than go by the age of Flowerhorn fish, one should prefer to use the sizing method to know if the fish are mature enough to breed. These cichlids will be able to breed once their size reaches 6 inches, unlike most hybrid fish, this fish is fertile and will then produce young. The color of the eggs should be a rich orangey coloration and they do spawn a lot of eggs with each batch, often up to 2000 due to the high mortality rate.

Will the dark colored background help the fish?

If you are going to put substrate to the tank make sure that is not black nor do you put a black background. The Flowerhorns like illuminated spaces and with color and if you put black that will make the fish to not develop its color as it should be.

If you follow these basic tips and also try that your fish tank is always clean with one or two efficient filtering systems, you can make a couple of water changes of 20% a week, you give your FH a diet based on two good brands of Pellets such as Ching Mix, Grand Sumo or Spectrum and complement it from time to time with some pieces of salmon and thawed shrimp, your Flowerhorn will grow healthy and happy, also accompanying you for many years.

Q.    If I will keep one pair of Flowerhorn fish in the same tank, how many days they can live virgin before mating?

A.    Generally, we cannot say how many days they will take to mate. Also, you cannot take guarantee that you have a female and a male. Sometimes they will take weeks to mate.

Male And Female Flowerhorn Separated

Q.    Does division means that the Flowerhorn fish gave up on appetite?

A. It is normal. It occurs due to some changes in the environment, especially when fish were used to the tank setup, it may change the feeding habits of your fish. Other habits usually also may be affected.

Q.    Can I give medicine to my Flowerhorn fish?

A.    If your Flowerhorn fish has some digestive problem, it will put pressure onto the swim bladder that causes its balance problem In this case, you can add medicines to tank as a last resort. In most of the cases, if you have spotted its symptoms early enough, there are many other ways you can try.

Q.    How many times in 1 month should I clean my aquarium for the Flowerhorn Fish?

A.    The water test is necessary. Keep testing water of tank for the presence of nitrites, ammonia, and nitrates. If you find it something wrong, you may clean your aquarium. You should test water at least once a week. If the size of your aquarium is big enough and it already has many plants and bacteria, then you do not require changing water every month.

Q.    If I feed my Flowerhorn Fish once in a month, does it affect it?

A.    Feeder fish is a good protein source. If you will feed high protein diet to your fish, it makes her more active but also it will make the lifespan of your fish shorter. So it is advisable to feed your fish feed occasionally, not on an everyday basis.

Q.    I cannot see any hump sign on the head of the fish. When it is visible and when it will become redder on the body?

When can it be seen and when will there be a bright red color on the body?

A.    The hump (properly called the Nuchal hump) develops as the fish matures. It is usually forming by fatty deposits and when the fish is fully grown it will have reached its maximum size. It is said that as humans, all of the fishes are different and the size of the hump also can vary from fish to fish. These fishes tend to display their best coloration when mature. Also, water acidity affects coloration. If water becomes too acidic, its color will not be as bright.

Q. How to sort out the bullying issues between elder and younger Flowerhorn fish? What is the reason behind their behaviors among the siblings?

A. If they both are males Flowerhorn Fish, it is no wondering that elder one bullying younger one. In this case, it is advisable to use a fish tank divider. When they will remain separated, feed the younger one more so he’ll get bigger. When they both are of the same size, you can then remove the divider.

Q. I have noticed, my Flowerhorn fish gets frightened by my presence and it hides behind the corals in the tank? How to make friends with it?

A. If you Flowerhorn fish gets frightened by your presence, start moving here and there in front of your tank more often so your fish gets used to it. It may take the month or more but she will get used to it and then she will not hide if you will come closer to the tank. Also, try to feed your fish more often but make sure to give a little amount.

If you are feeding your fish 2 to 3 times in a day, start feeding her 6 to7 times instead with little food every time. In this way, she will get to know when you come closer to the tank; it is the time for food. It takes time, nothing good comes overnight, bear this in mind.

Where to Buy Flowerhorn Online


Flowerhorns with its unique color and appearance are the most interesting fish around. With their vibrant colors and captivating looks, they are considered as ‘super star’ in the world of fish. Whether it’s their born land, Asia or Europe or even America, Flowerhorns are in demand almost everywhere. Any fish hobbyist love to have an aquarium where they can have a Flowerhorn that is beautiful with its Kok. In Asia, it is believed to bring in good luck for the person owning it. The luck is said to be depended upon the size of the nuchal hump. The bigger is its size more luck it brings to you.

Apart from the theory of ‘good luck’ charm, there are many other reasons that make fish lovers attracted towards this fish and they wish that they had a Flowerhorn at their home too! If you too are interested in buying Flowerhorn then this article will be helping you. Before you learn about where to buy this fish online let’s find out a few basic facts that will help you in keeping the fish at the best condition at your home.

Basic facts about Flowerhorn

Flowerhorns are not natural fish but they are hybrid fish that were created by man. This fish has the name Flowerhorn because they have distinct marks on both sides of their body that resemble a flower. And the ‘Horn’ is due to the nuchal hump or the Kok that this fish has. With their unique features and brilliant beautiful colors they will attract any fish lover and when you have them in your aquarium you can be sure that they will enlighten the area. As they are not found in wild you can easily domesticate them at your home aquarium, but for that, it is necessary that you have the required settings that will make these fish comfortable at your place.

Beautiful Flowerhorn

Breeding of the first Flowerhorn was carried on during 1993 in Malaysia. In western Malaysia, there was already a fish known as “Kaloi” or warships who has a protruding head. They were very beautiful and the Taiwanese considered them as a lucky charm. Later during 1994 some other breeds of fish namely the red devil cichlids and the Trimac cichlids were imported from Central America. From Taiwan, the blood parrot cichlid was brought and after breeding these two fish together the first Flowerhorn cichlid was created. Gradually there were different types of breeding carried on and the results are varieties of Flowerhorns.

The quest for a new type of Flowerhorn didn’t stop and thus breeders started crossbreeding different cichlids with each other. The Human Face Red God of Fortune was crossbred with the Blood Parrot. The new breed that was a result of this breeding was named as ‘Five colors God of Fortune.’ With its attractive colors, this breed of Flowerhorn become popular very fast. With this success, further, attempts were made so that more such results can be achieved. In the breeding that continued some become noteworthy while there were others that didn’t leave much impression. All the efforts made various kind of louhans or the first generation Flowerhorn. Now there are various Flowerhorn available and with their vibrant color and attractive nuchal hump takes attention of everybody nearby.

Before you start looking for Flowerhorns online it is best that you have some knowledge about the different kinds of Flowerhorns that are valuable now. It will give you the best insight when you are to choose a Flowerhorn for your home.

One of Best Flowerhorn

Different types of Flowerhorns available

Over the years there are varieties of Flowerhorn available and before you start looking for a good online store it is necessary that you learn about the types.

  • Kamfa is one brand originated from louhans and with their fan tail and yellow or white eyes they are quite attractive and the most costly type of Flowerhorn available. They have a head bump that is watercolored. Their shape and body color are different from other Flowerhorns and they are the one of the best ornamental fish available with high price bracket.
  • Another type of Flowerhorn is the Cencu that is high demand among the hobbyist. These fish are most sought after because of the pearls in the body. They are also known as lohan pearl fish, thanks to the presence of the pearl. There are two types of Cencu, one is classic and the other modern. The classic does not have many pearls on their cheeks and body like the modern ones.
  • There are Golden Base Flowerhorn who have a reddish yellow color at different parts of their body. They are different from other types of fishes as they do not have black spots that are very common among the other louhan species.
  • Super red dragon is the fish with bright red color and thus they have the name. They are native to Thailand and are found in different countries including Indonesia. The price of these fishes is moderate.
  • There are the Rainbow kingfish and they have got this name because they have won many Flowerhorn competitions. It has its origin in Singapore but now you can get them at other places too. They have even beaten Kamfa is popularity. They have got their name because of the vibrant colors they have.
  • The Zhen Zhu are other types who also have pearling. They have a protruding head bump and all these features make them quite popular. They have weak tails so you can recognize them easily.
  • The Thai silk is a comparatively new breed of Flowerhorn and has colors that are either metallic blue, white or gold. They are a cross breed between different Flowerhorn and too many of them may not be available easily.
  • You can identify the King Kamfa from their black color double flower row. They have sunken eyes that are normally yellow or white in color. Most of King Kamfa do not have red eyes. It is one of the most demanded varieties of Flowerhorn and they are quite costly too.
Different types of Flowerhorns available Online

Apart from these popular Flowerhorn types, there are many other breeds that may interest you. Before you buy any online you can have a look at all type available at the store. While you buy online you have to look out for the features and a few others things. Let’s have a look at that now.

Considerations while buying a Flowerhorn online

Before you buy a Flowerhorn online you should be very practical about the things that must be considered. You will not be able to check the Flowerhorn physically and have to rely on the description provided online. Thus, before you make your move it is necessary that you consider a few things.

Learn about the online store first

The first and foremost thing that is most important while buying a Flowerhorn online is the online store itself. You have to rely on the online store for whatever they describe you have to believe that only. You can specify certain things but you cannot be sure that the Flowerhorn given to you is as per the specifications you have asked for. Thus, you should rely on an online store that has enough goodwill.

To be certain about the Flowerhorn delivered by them you must read reviews about different online stores. You will be able to find that there are a few online stores that deal in Flowerhorn. Check out how satisfied their customers are and that will grow your confidence.

Baby Flowerhorn

You also need to know how the online store does operate. That is a Flowerhorn is not a product that can be sent from Thailand to America. It is better if they have a hub in America only. Obviously, you can learn about all this and more while you order the Flowerhorn.

Information provided by the online store

Most of the time you will be buying the Flowerhorn cichlid and thus you never know how it will grow into. When you buy it from your local pet store you can ask them different questions to be sure that they are selling you the right Flowerhorn with the right lineage. While you buy the fish cichlids online you never know what will happen to the fish when it grows. Thus make sure that the online store is providing you with enough information about the fish that they are selling.

Different information that you must look for while buying the fish is about their parents. Whether the male parent had a nice Kok or not. Is its hybrid between two different types of Flowerhorn or not. Once you are able to gather this information you can rely on the online store and place your order.  

Choosing between male and female

If you love a Flowerhorn because of their nuchal hump then you must seek for a male fish as most of the time females do not have a nuchal hump. Moreover, males are more attractive. Now, when you are buying it online among other fries you may get confused that which one I male or female. The online store will specify you about which fry is male and female. They must guide you in the best possible way so that you can order the best Flowerhorn available in their store within your budget.

Male and Female Flowerhorn

Branded or non-branded

Finally, when it’s coming to choose between the online stores what should you go for? A branded online store like eBay and Amazon or something else that deals in fishes and pets only? The choice will be totally yours as if you cannot rely on any non-branded online stores then you can buy from eBay or others, but remember that in the online stores that deals with different pets have more knowledge about Flowerhorns than the people at the branded online stores. So, what do you want now? The decision is yours, take wisely before you buy it.

After you know how to buy online the question arises from where can you buy Flowerhorns online?

Buying Flowerhorn online

If you are really interested in buying Flowerhorn online then you can start with a search in Google. Once you give the keyword ‘Flowerhorn online’ you will find that the SER will show you a number of options. Every online store will be dealing with Flowerhorns and you have to choose one that will give you the best deal.

Buy Flowerhorn Online

By the term ‘best deal’ you mean a Flowerhorn that will be great when it grows up. Actually, it is not even possible for the breeders to commit that the Flowerhorn that they are providing is the best one and will have a great Kok when it grows. In order to ensure that they depend upon the lineage from which the Flowerhorn is created. Still, in order to be lucky, you can ask them about the fish fry. Most sites will have a description of the fish and its parental description also so that the buyers are able to get enough information.

If you choose to buy from a branded online store then you must also ask about the suppliers. There must be different suppliers associated with selling the Flowerhorn online and not that all of them are great ones. So, make sure that you check out the ratings of the supplier from whom your Flowerhorn will be delivered. The Flowerhorn is a fish that needs perfect conditions around it while it grows. Thus, when the fish is transported to your home from the online store it is necessary that the packaging is good enough. Ask them how much time it will take to deliver the order. Also, know about the water conditions. You must also know how to deal with the fish after it reaches your place.

You have to keep it in an aquarium and although it will be small when it comes to you within few weeks it will grow and thus it is better to have an aquarium that is of at least 55 gallons. The size of the Flowerhorn will be around 12 to 16 inches and thus the aquarium should be able to give it enough space to play and stay comfortably. You must also remember that the Flowerhorns are very aggressive fish and it is best that you do not keep two Flowerhorns together. If you keep them together then there are high chances that one will not exist.

Learn about the return policy too

While you buy the Flowerhorn you should ask them about their return policy. There can be different issues with the Flowerhorn after it is being delivered to you. If you do not like it then you must have the scope to return it. Thus, learn about their return policy. In case if you detect any disease in the Flowerhorn just after it is delivered then you should be ready to deliver the fish back to the online store. However, if there is disease after a few days then the online pet store may not make it return. Thus, it is very much important to learn about the return policy which will let you take any action in case the Flowerhorn is not something you had expected.

Amazing Flowerhorn Fish


After discussing everything it must have been clear to you that it is tough to name any particular online store that sells Flowerhorns online. There are a number of online stores who sell quality Flowerhorns and you can buy one that is within your budget and a type that you are looking for. Sometimes you may have choices that you want a Kamfa at your home. Then you must specify that too while you look for the Flowerhorns online.

Remember that while you buy online you should take precautions just the way you do while buying anything else online. If your friends have bought a Flowerhorn cichlid earlier from any online store and are happy with the experience then you can always ask them about it. Before you bring the Flowerhorn at your home take your time to learn about the water tank arrangements to be made and what food must be given to the fish so that they grow at their best. Happy fishing!

Frequently asked questions

1- Are Flowerhorn freshwater fish?

Before you buy a Flowerhorn online you have to make arrangements in your home so that once the fish arrives at your place it gets it is home ready. Thus, having this question in mind is very natural. Yes, they are freshwater fish and you do not have to add any salt in the water to make them feel natural. The water tank should be big enough about 55 gallons if not more, but apart from that, there are not many specifications about the water. The pH level of the water should be ranging between 6.1 to 7.

While naturally, you do not have to add any salt to the water, but there can be situations, like the Flowerhorn may suffer from some disease that can be cured by adding salt in the water. Remember that the water must be changed frequently as the Flowerhorns eats too much and excrete too much too. If the water is not changed regularly then there are high chances that the fish will become sick.

2- How to identify a Flowerhorn with good features

As already mentioned in the main text that there are different kinds of Flowerhorns available. When you finally look for a Flowerhorn online you have to keep in mind a few things. The first is, of course, your budget. Flowerhorns are not a cheaper option when you go to buy them, they are quite expensive and if you do not take right care while buying you may land up in buying Flowerhorns that are not as good as you expected. Know your budget and you will be able to choose among a few Flowerhorns.

While learning about the features it is not possible to know much online. You have to read the description that is provided by the seller. Thus, it is advised that you buy only from those online stores who provide you with right and enough information about the Flowerhorn. You can also want to clarify if the fish fry is crossbreed. In case of that make sure that they are not from the same parents as the result will not be good.

3- What is the best place to place an order

While you place an order with an online store for Flowerhorn you have to be very specific. First things are that it is not a product but a living thing. Thus, it must be delivered with the utmost care. The online store will be doing enough so that they can deliver you the fish at its best, still, you must ask them questions about it.

While you choose an online store always try to choose one who has a delivery hub near your hometown. It’s true that if you are in Dallas there may not be one hub in Dallas itself, but somewhere near it will be good enough. A fish delivered from Thailand will not be at its best health. Thus, while you place the order make sure that you check out from where the order will originate. It may not have been an issue in the case of products but in the case of a living thing, it is a great concern.

4- Can I put more than one Flowerhorn at a water tank?

Before giving the answer straightway you must know about the nature of the fish. They are very territorial fish that are quite aggressive. If there is much fish in their tank they become very angry and starts fighting with the other fishes sometimes they are so aggressive that they will even bite your hands while you feed them. Thus, it is best that you do not keep any other fish in the same tank where you are keeping your Flowerhorn. Do not decorate the aquarium too much as they will bite the plants too. They need an aquarium that is clean and clear. Yes, there can be few pebbles at the base.

Best filter for Flowerhorn tank


There are many important considerations before selecting an ideal filter for the Flowerhorn fish tank. Size of Flowerhorns is an important consideration for purchasing a filter. These are large-bodied fishes with an adult reaching sizes of 12-16 inches. They need larger fish tanks to swim freely. An adult Flowerhorn should be kept in a fish tank with a minimum of 200 liters water capacity. Filtration then should be chosen on the basis of handling of larger volumes of water. Most of the filters available in the market are meant for a particular size of the fish tank. Flowerhorn owners should look to purchase a filter that can handle at least 200 liters of water capacity.

The hourly flow rate from the filter should also be considered. Any tank filter will filter more water per hour than the fish tank gallons it is rated for. A good rule is to buy a tank filtration system between 4-5 times the total tank capacity per hour. As discussed, Flowerhorns are large fishes which have messy eating habits. They are also known to dig aggressively into substrate matter. Flowerhorns can produce a lot of mess and dirt in the fish tank. It becomes important to select a filtration system that can filter the ideal amount of water per hour for the Flowerhorn to be healthy.

The filter should have a moderate water flow which is best suited for the Flowerhorns. Higher flow rates push the debris in the fish tank towards the filter. It also adversely affects the natural color of the Flowerhorns. A moderate water flow improves oxygenation in the fish tank. It also ensures that the water is kept circulating properly with the equipment placed outside the tanks with multiple bends in the tubing that can cause resistance.

Flowerhorns are aggressive fishes by nature. They are known to bite the hands of the person feeding them and also creating a lot of mess inside the fish tank. It is generally not recommended to keep live plants inside the fish tank as they will destroy the live plants. Any decorative item inside the fish tank that is not too heavy will be easily moved and pushed by the Flowerhorns. Due to the size and aggressive nature of Flowerhorns, internal filters are not recommended in the fish tank. They will be constantly bumped by the Flowerhorns. Flowerhorns also dig constantly into the gravel inside the fish tank hence an under-gravel filter is also not ideal. Due to these factors, it is strongly recommended to invest in an external filtration system for Flowerhorn fish tanks.

Putting an external filtration system provides many advantages for Flowerhorn owners. External filters are capable of handling large capacity tanks that are needed for Flowerhorns. They also do not have to put their hands inside the fish tank for cleaning and maintenance of internal filtration systems. This saves them from any bites from Flowerhorns that may result due to their aggressive nature. External filters also hold more media and are considered more versatile than the internal filters. Flowerhorns are very hardy and resilient but they cannot deal with excessive ammonia and other harmful impurities in the water. Hence an external filter providing all three types of filtration functions-biological, mechanical, and chemical filtration-should be selected.

Functions of Fish Tank Filters

The basic work of a fish tank filter is to make the tank healthier for the fish and the plant life inside it. The best filters will accomplish this task by performing different types of filtration. The key types of filtrations performed by fish tank filters are as follows:

Biological Filtration

Biological filtration is important for the fish tank as it utilizes the natural Nitrogen cycle and helps to break down the harmful nitrites and ammonia from the fish tank. Biological filtration is a continuous and behind the scenes filtration that takes place without we being able to observe it occurring.

Mechanical Filtration

We can see the mechanical filtration process. If the water is full of particles and dirty then the mechanical filtration process is used for cleaning. Filter floss and filter sponge are very important elements of mechanical filtration. Floating debris, visible waste, algae blooms floating in the fish tank etc. can be easily cleaned by mechanical filtration.

Chemical Filtration

Chemical filtration helps to remove harmful chemicals from the water. The water used in the fish tank can contain hard metals and other harmful chemicals that can prove dangerous to the Flowerhorns. An effective chemical filtration system removes these harmful chemicals and hard metals from the fish tank water and considerably improves the water quality for the fish. One of the easiest ways to add solid chemical filtration is by using activated carbon in the fish tank as almost all the filters can accept solid carbon.

Different Types of Fish Tank Filters

The different types of filters commonly used in fish tanks are as follows:

Internal Filters

Internal fish tank filters are put inside the fish tank for filtration purpose. These are smaller in size and cheaper compared to the external and canister filters. They have chambers where the water flows through a fast rate for trapping debris and other harmful materials in the fish tank. These are basic filters and should not be the primary filter for a Flowerhorn fish tank.

Internal filter

Canister Filters

Canister filters are external filters. They are not placed inside the fish tank, rather placed on a shelf near the fish tank. These are more powerful than the internal filters. The canister filters come with effective three-stage filtration. They provide effective biological, mechanical, and chemical filtration. Canister filters are compatible with different types of fish tanks. They can be used for saltwater tanks, freshwater tanks, and reef tanks. This makes them highly versatile and popular among Flowerhorn owners.

Canister Filter

Benefits of Using Canister Filters

Some of the key benefits of using canister filters in fish tanks are as follows:

High Flow Rates

Canister filters are more powerful than internal filters. They have higher flow rates which can go up to 320 gallons. High water flow rates mean that the canister filters take lesser time to clean the fish tank thereby saving time and energy. Before purchasing a canister filter, the users should check their fish tank capacity and the appropriate flow rate required for it.

Comprehensive Filtration Systems

Canister filters provide effective three-stage filtration. They can provide comprehensive biological, mechanical, and chemical filtration. This helps to remove all types of impurities and debris from the fish tank and provides clean water and a healthy environment for the Flowerhorns. Some canister filters also come with advanced features like UV sterilizer that eliminates microorganisms like algae, bacteria, and other harmful parasites.

Flexibility in Media Selection

One of the biggest benefits of using canister filters for fish tanks is that they come with different types of media selection. The users can decide and customize the media that they want to put inside the canister. The customers, however, need to be aware of how such media works before purchasing the canister filter for fish tanks.

Easy to Setup

Setting up a canister filter for the fish tank is relatively easy compared to setting up other types of filters. They can be conveniently installed by users who have previously not used the canister filters by simply reading the manuals.

Easy Cleaning and Maintenance

Canister filters are very easy to clean and maintain. These filters can be easily disassembled which makes cleaning them very convenient. Once the filter is cleaned, the components can be easily assembled together and connect it back to the fish tank. Most canister filters are designed in a manner that makes it easier for the lids to be opened manually for maintenance. However, when the lid is closed it does not open easily on its own due to an excellent sealing mechanism. This makes the canister filters leak proof.

Quiet Operation

Canister filters are powerful but despite that, they are very quiet. These filters do not make much noise while operating. When the canister is placed inside a chamber it reduces the noise even further. Low noise does not impact the marine life inside the fish tank adversely and provides a healthy environment for the Flowerhorns to thrive in.

Best Filters for Flowerhorn Fish Tank

There are many different types of filters in the market. These filters come with different features and choosing the ideal filter for the Flowerhorn fish tank can be tricky. There are many factors like the size of the fish tank, type of filtration systems, water flow rate, type of media selection etc. that are important in deciding the type of fish tank filter to purchase. Some of the best filters for Flowerhorn fish tanks available in the market are discussed below:

Marineland Magniflow Canister Filter

This fish tank filter is a great alternative for both freshwater and marine fish tanks. The build quality of the canister is pretty solid. The casing is made of high-quality materials and will last a long time. It is very easy to install even for users who have not used a canister fish tank filter previously. The Marineland Magniflow canister filter is loaded with unique and user-friendly components that make keeping the fish tank easy and effortless. The lid of the filter has a good sealing mechanism and does not come off easily when sealed. This ensures that the filter is leak free. However, the lid opens very easily manually for maintenance works. This filter is very easy to connect with the fish tank and needs to be placed on a shelf near the fish tank for it to work. The advanced components that are a part of this filter allow the users to create a spotless, clean, and healthy fish tank for their Flowerhorns.

Marineland Magniflow Canister Filter

Another impressive feature of this fish tank filter is that it offers three-stage filtration. It offers biological, mechanical, and chemical filtration that ensures a healthy environment for the Flowerhorns to grow in. The stack n flow filter plate allows various media layers for providing a complete three-stage filtration process. This filter also comes with a fast-prime button that loads the filter chamber for quick, self-priming setup. A specially designed valve allows the users to close down the water flow and separate the cover from the engine housing. This helps with easy and spill-free maintenance. This is a powerful fish tank filter that can be effective for handling small sized Flowerhorn fish tanks.

Aquaclear 110 Power Aquarium Filter

This is an external hang on the back filter which is a great choice for any Flowerhorn fish tank. It is very convenient as it just has to be hanged on the back of the fish tank for operation. It does not take up any space inside the fish tank and does not require any large shelf space to be kept upon. It is very easy to mount. This model is meant for large fish tanks up to 110 gallons in capacity. Considering its capacity, it can easily handle a 50-60-gallon Flowerhorn fish tank. It has a very impressive water processing capacity and can easily process about 500 liters of water per hour. Another attractive feature of this fish tank filter is the ability to adjust the water flow rate. When the flow rate is slow, up to 50% of the water gets filtered multiple times for even better and improved water cleanliness and quality.

Aquaclear Power Aquarium Filter

This model is a three-stage filter that provides mechanical, biological, and chemical filtration. It does a commendable job of removing all types of potential impurities from the water in the fish tank and provides a highly healthy environment for the Flowerhorns to survive and thrive. All of the filter media like Aquaclear foam, BioMax, activated carbon etc. come packaged with this fish tank filter. This filter also has a high re-filtration rate for ensuring extra clean water in the fish tank. It is a bit noisy and difficult to clean which can be considered as its potential drawbacks. To conclude, the Aquaclear 110 power aquarium filter is a powerful and highly efficient filter that is recommended for any Flowerhorn fish tank.

Hydor Professional 250 External Canister Aquarium Filter

Hydor is a new manufacturer of fish tanks filters but they are known to manufacture high-quality filters. The Hydor Professional 250 is an external canister fish tank filter and it is a complete ecosystem on its own. The build quality of this fish tank filter is strong and sturdy so it can last for a long time. It is made from high-quality plastic and it has 4 rubber feet at its base to give it good stability. Setting up this filter is very convenient even for users who have not used a canister filter previously. It can be set up within 30 minutes by following the instructions provided in the manual. This fish tank filter is meant for 60-100 gallons capacity fish tank. The size of the canister is 18”x10”x8.5” which is compact. Since this is an external canister filter, it will not take any space inside the fish tank and needs to be placed on a shelf near the fish tank.

Hydor Professional 250 External Canister Aquarium Filter

This fish tank filter model provides the entire 3-stage filtration. It provides biological, mechanical, and chemical filtration. This ensures that the water in the fish tank is free from any potential impurities thereby providing a clean and healthy environment for the Flowerhorns. This also protects the fish from parasites and diseases. This fish tank filter is very quiet and virtually silent when kept inside a cabinet. The quiet operation of the filter does not negatively affect marine life inside the fish tank. The easy priming features and telescopic tubes ensure for easy operation. This model is priced $138.95 which is costlier than most other models. Overall, this is a solid and sturdy fish tank filter that can provide effective results for a Flowerhorn fish tank.

Cascade CCF3UL Canister Filters for Aquariums

This is a simple and effective canister filter for a Flowerhorn fish tank. As it is a canister filter, it will not take any space inside the fish tank but will need shelf space to be kept upon. It is designed for small-sized fish tanks of up to 100 gallons capacity. It can easily process about 265 gallons of water per hour. This is powerful enough to easily handle a small to mid-sized Flowerhorn fish tank. This is a 3-stage fish tank filter providing mechanical, biological, and chemical filtration. It does a fantastic job of removing all kinds of potential impurities from the water and providing clean and healthy water for the Flowerhorns. The different filtration systems of this filter are very strong providing effective filtration. This fish tank filter is quite durable with good quality casing and can stand up on its own. It looks very neat on the shelf when installed.

Cascade CCF3UL Canister Filter

This model comes with quick disconnect tubing for easy maintenance and it is very easy to open the lid also. It has an excellent sealing mechanism meaning that once the lid is closed, it will not come off easily. This sealing mechanism makes this fish tank filter leak free.  This model also features adjustable flow rates which allow the users to maintain the water flow rate according to their requirements. One big drawback of this model is it is fairly loud and the hoses also feel a little stiff. Overall, the Cascade CCF3UL canister filter is a powerful fish tank filter that is easy to set up and fairly easy to use and maintain. It is moderately priced at $75 making it an affordable canister filter for keepers of Flowerhorns.

Sunsun Fish Tank Filters

The Sunsun fish tank filter is ideal for mid-sized fish tanks. It is suitable for fish tanks up to 150 gallons in capacity and can easily process about 525 liters of water per hour. These features make the Sunsun fish tank filter one of the most powerful filters available in the market. it can easily handle a mid-sized Flowerhorn fish tank. This is a canister fish tank filter hence it will not take any space inside the fish tank. It needs to be kept on a shelf for operation. This provides extra space for the Flowerhorn inside the fish tank and also makes cleaning the filter easy for the users. They also do not have to put their hands inside the fish tank for managing and cleaning the filter thereby saving themselves from potential bites from the aggressive natured Flowerhorn fish. The installation process for this fish tank filter is very convenient. The users only need to connect the hoses and turn it on for starting the operations.

Sunsun Fish Tank Filter

When the lid is on it has good sealing and does not comes off easily. This makes it a good leak proof fish tank filter. During maintenance works, the lid can be easily opened manually. This fish tank filter comes packed with features. It provides all three types of filtration ensuring a healthy environment and water quality for the Flowerhorns. It comes with 4 types of media trays which allows the users to decide and customize what kind of media is placed inside the filter. Another unique feature of this model is the UV sterilizer which controls the growth of algae and promotes the growth of beneficial bacteria. On the flipside, this fish tank filter is fairly noisy. The shell of the canister is also not very durable compared to other fish tank filters available in the market.

Fluval 406 External Aquarium Filters

The Fluval 406 filter is an ideal fish tank filter for Flowerhorns. It can be used in fish tanks up to 100 gallons in capacity and can process about 383 gallons of water per hour. This is a powerful fish tank filter that can be effectively used in large fish tanks. The Fluval 406 is a strong and durable canister filter. The casing is made of high-quality materials and is durable which ensures that it will have a good lifespan and serve its purpose longer. It does not take any space inside the fish tank and needs to be put on a shelf near the fish tank for it to operate. The installation of this fish tank filter is fairly easy and can be done easily even by the beginners. There is adequate room for different types of media so the users can choose and customize the type of media that they want to have inside the canister of this filter. It can hold 30% more media than other canister fish tank filters of the same size. The users have to simply put the media in the canister, attach the proper tubing, and get the self-priming feature to get the Fluval 406 fish tank filter started.

Fluval 406 External Aquarium Filter

The Fluval 406 is a three-stage filtration filter. It provides perfect clean water which is essential for Flowerhorns to survive in a healthy environment. Though this is a powerful filter, it runs very quietly due to the use of sound dampening impeller. This fish tank filter also comes with an Aquastop valve and an intake strainer to prevent clogs from occurring. The hoses are very easy to connect and the lid can be taken off easily from this filter, making its maintenance a breeze. The drawbacks for this fish tank filter include developing of a clicking sound and it may leak after prolonged use. Considering its features, the Fluval 406 is a perfect filter for smaller Flowerhorn tanks that require a lot of filtration.

EHEIM Classic External Canister Filters

This particular fish tank filter is suitable for fish tanks up to 92 gallons of capacity and can easily filter at least 300 liters of water per hour. It can be very effective in maintaining a high quality of water in a fish tank of 50-60 gallons capacity. This model is a very simple canister filter and is quite convenient to install also. It has to be put on a shelf or platform near to the fish tank and the inlet and outlet tubes have to be properly connected to get started. Since it is an external fish tank, it does not take up any space inside the fish tank. Its installation is so simple that it can be done by beginners also without any troubles.

EHEIM Classic External Canister Filter

This filter provides only mechanical and biological filtration and lacks the chemical filtration system. Considering Flowerhorns are sturdy fishes, this can still be a good choice for most Flowerhorns fish tanks. It comes with EHEIM Mech and Substrat Pro filters that ensure very effective biological and mechanical filtration in the fish tank. The silicon ring on the head of the filter makes it easy to open and close. This feature also prevents any leakages and helps in easy maintenance of the fish tank filter. The potential drawbacks of this filter are the lack of chemical filtration and no option for adjusting the water flow rate. It is also a little noisy. Overall, this is a good fish tank filter which is simple yet serves its purpose effectively.

Polar Aurora 3-Stage External Canister Filter

This fish tank filter from Polar Aurora is a complete all-in-one filter. It is very convenient to set up in a fish tank. It comes with 3 media baskets and other materials to help the users get started with installing it in the fish tank. It also comes with the unique UV filter that takes the water cleaning in the fish tank to the next level. The UV lighting helps to effectively remove bacteria and algae from the fish tank water. The water is cleaned very effectively using this filter and it leads to the creation of a very healthy environment for the Flowerhorns where they thrive. This fish tank filter model also comes with a spray bar that can be adjusted depending on the size and capacity of the fish tank.

Polar Aurora 3-Stage External Canister Filter

The fish tank filter also comes with an extra hose and installation accessories are also included in the packaging. The impeller of this fish tank filter is designed in a manner that makes it very quiet. The top exhaust vent of the filter should keep it running efficiently while extending the lifespan of the unit. This filter is best suited for fish tanks with a capacity of 55-75 gallons. It is priced very competitively that makes it accessible within the budget of most Flowerhorn keepers. The only potential drawback of this fish tank filter is that the filter baskets may feel a little flimsy.

Aquatop CF Series Canister Filter

The Aquatop CF is among one of the most popular fish tank filters in the market. The filter is strongly built. The filter has many plastic parts but the quality of construction is very good. The casing is durable and will last for a long time. It can be put on a shelf near the fish tank for connecting it to the fish tank. Once connected it is ready for operation. The installation of this fish tank filter is a bit difficult compared to other canister filters. The manual is not very clear on the process of installation of the filter. However, people who have used a canister fish tank filter earlier can get it installed easily. This filter can be used for fish tanks having a capacity of up to 175 gallons. It can process approximately 370 gallons of water per hour. These features make it a powerful fish tank filter that is ideal for small to mid-sized Flowerhorn fish tanks.

Aquatop CF Series Canister Filter

This is a canister filter and hence it does not take up any unnecessary space inside the fish tank. It provides 3-stage filter offering biological, mechanical, and chemical filtration. This ensures highly clean water and a healthy environment for the Flowerhorns to thrive in. Another unique feature of this model is the presence of UV sterilizer. Very few fish tank filters have this feature which makes this filter attractive. The main purpose of the UV sterilizer is to control and eliminate microorganism in the fish tank. The UV sterilizer is not a marketing gimmick and does its work perfectly. It can eliminate algae, bacteria, and other parasites commonly found in the water and sand substrate of the fish tank.

How to Deworm Flowerhorn


Flowerhorn Cichlids are extremely popular ornamental fishes. They are known for their bright and vivid colors and unique shaped heads from which they get their name. They are not naturally occurring fishes and are man-made hybrids developed as a result of cross-breeding of South-American cichlids. Flowerhorns are big fishes with compact bodies. They can grow up to 30 cm and in some cases more than that. The fish breeders are trying to come up with Flowerhorns with a bigger hump on the head, new and brighter colors, wider body and fins, more peculiar marks on the body etc.  Flowerhorns were first bred in Asia and have gone on to become very popular worldwide. They have a lifespan of about 10-12 years. Their breeding goes back to 1993.

A well-bred Flowerhorn should be oval and thick shaped. It should have a full belly and stomach. Some of the Flowerhorns also have a more rounded shape. The hump on the head should be big and well proportioned to their body size. The black marks on the body of the Flowerhorns should be thick and well defined. These black marks are one of the principal and most striking features of Flowerhorns. The most common color of Flowerhorns is red but other colors have been developed. It is important that the color should be bright and well defined. The entire body of Flowerhorns should be covered by light blue or green scales. Both the tail and fins of Flowerhorns should be widely spread most of the time.

The male Flowerhorns are larger than the female. Males have a nuchal hump on their foreheads and also have brighter and vivid colors compared to the female Flowerhorns. The mouth of the male is thicker and more pronounced than the female. The female Flowerhorn will lay eggs every month even in the absence of a male.

Care and Keeping in Tank

Due to the big size of Flowerhorns, they need sufficient space for free swimming and being healthy. An adult Flowerhorn needs a minimum of 200 liters capacity fish tank. Flowerhorn is a sturdy fish and can live easily in different water conditions without having any major health problems. However, it is important to provide a water temperature between 25-30-degree Celsius. It should be kept in slightly alkaline water with a pH between 7 to 8. Keeping it in acidic water will affect its color and also provide a breeding ground for parasites. Sudden changes in water and temperature should be avoided as it will make the Flowerhorn more vulnerable to sickness and parasitic attacks.

Flowerhorn Caring and and Keeping in Tanks

Flowerhorn being a big fish produces lots of refuses that increase the nitrite and nitrate levels in the water. Hence, an effective filtration system is a must for the fish tank. Either of internal or external filtration systems can be used. The water current in the tank should also be considered. An excessively strong current can damage the Flowerhorn. The water current should be mild as it oxygenates the water and protects against water heating. Tank decorations should be done in the fish tank to make the Flowerhorn feel calmer and quieter. A fine layer of gravel can be used and the rocks and woods should be stable and should not fall on the fish. All the decoration should also not make the cleaning of the fish tank difficult. Live plants should be used in the fish tank as they increase oxygenation. Strong plants like big anubias should be used as Flowerhorns do a lot of digging.

Flowerhorns are big and aggressive fishes and hence they should be preferably kept alone in the fish tank. They should not be housed with other smaller fishes. If more than one Flowerhorn has to be kept then a bigger fish tank should be provided and it should be portioned in the middle to allow the Flowerhorns to stay clear of each other.

Feeding Habits

The diet of Flowerhorns can be a combination of live foods, frozen food, and standard dry fish food. Earthworms and wax worms can be fed to them. Even smaller fishes could be a good feeding choice for the Flowerhorns. When live food is not available, frozen food can be a good alternative. Chironomus, brine shrimps, and other frozen fish foods are preferred by the Flowerhorns. Feeding both live and frozen foods can pollute the water in the fish tank. Hence ensure that the Flowerhorn eats the food in under 5 minutes. If it is not eating then it is recommended to remove the food. Flowerhorns should be fed twice daily. They should be fed in small doses and not be overfed.


Hexamitiasis disease occurs in Flowerhorns due to getting infected by Hexamita protozoan parasite. It is a common disease in Flowerhorn fish. It is a highly contagious disease and needs to be treated immediately to prevent it from spreading. It is imperative to keep monitoring the symptoms of hexamitiasis and start the treatment as soon as they become evident. These protozoan parasites are generally found in small traces in the intestines of most aquarium fishes but do not cause any harm. Only when the fish is weakened do these parasites multiply rapidly and spread quickly to the rest of the fish’s body. This spreading of parasites and its establishment in other organs is detrimental to the fish and they can die soon if not provided immediate and effective treatment. Studies suggest that the intestines start producing more mucus as a response to the multiplication of protozoan parasites. This is the main reason behind pale-colored feces which is associated with hexamitiasis. However, the process by which these parasites switch from their normal parasitical form to systemic form which then spreads throughout the body of the fish is still unknown.

Flowerhorn Diseases and Cure Hexamitiasis

The Hexamita parasites migrate to the sensory pores near the head of Flowerhorn and the lesions cause the nearby tissues to decay. This badly damages the epidermis of the fish, which makes it vulnerable to secondary infections which increase the fatality of the infection. Factors like overstocking, inadequate filtration, insufficient oxygen, lack of regular water changes etc. play an important role in preventing the occurrence of hexamitiasis. Large fishes like Flowerhorn should be kept in sufficiently large water tanks and preferably kept alone. Not doing so and not changing the water regularly will considerably increase the chances of getting attacked by Hexamita protozoan parasite. For Hexamita parasite attacks, nitrate concentration provides a fairly good proxy indicator for the water quality. Nitrate concentration of less than 20 mg/liter should be tried to achieve under ideal conditions. Under worst conditions also, the nitrate concentration should not exceed 50 mg/liter. For maintaining the desired nitrate concentration, it is important to ensure a proper diet to the fish and the amount of nitrate-rich water removed in each water discharge should be minimized. Big fishes like Flowerhorn do not eat every day and they should not be allowed to gorge at every meal. For Flowerhorns, water changes should be regular and constant. Fifty percent per week should be ideal.

It is believed that a vitamin deficient diet weakens the immunity system of Flowerhorns and makes them more vulnerable to Hexamita parasites. A weakened immune system makes Hexamita parasites a bigger problem and it can become fatal for the fish. Flowerhorns should be fed with a vitamin-rich diet. They can get the vitamins from the gut content of their prey/diet.  It is also recommended not to use unsafe live foods like cheap feeder fish for the Flowerhorns. Instead, they can be fed a diet of herbivorous invertebrates like earthworms, mussels, snails, river shrimps etc. these diets will ensure the necessary supply of vitamins to the Flowerhorn.

Identification and Symptoms

Flowerhorns infected with Hexamita parasites produce white, stringy feces. The color of the feces becomes more subdued than under normal circumstances. There are lesions that appear on the fish’s head and the tissue near it start to decay. Worms start to crawl out of the head region where the lesions appear. In some cases, the lesions can also start to appear on the flanks of Flowerhorn fish. Hexamita parasite also causes infection in the intestines due to which the fish loses its appetite.  They do not eat and become emaciated and if the treatment is not done on time, they are likely to die.

flowerhorn die

Deworming Treatment for Flowerhorn

When a Flowerhorn is infected by Hexamita protozoan parasite, it is imperative to start the treatment immediately. Flowerhorns infested by the parasite should be dewormed for treating them. The following steps should be followed for deworming treatment for Flowerhorn:

  • The deworming should not be carried out in the regular fish tank. It should be done in a larger hospital tank that can accommodate at least 10 gallons of water. The purpose of doing so is to treat the fish in a controlled environment and also the ease of water change that a large hospital tank provides.
  • Simple filtration should be added to the hospital tank like a sponge filter or aeration through an air stone. There is no need for heavy filtration as the Flowerhorn will not be fed during the course of the treatment.
  • It is recommended to set the temperature of the tank at 32-degree Celsius.
  • A half cup of aquarium salt should be added to the tank. If aquarium salt is not available then rock salt without iodine can be used as an alternative.
  • Purchase 500mg of metronidazole which is commonly sold over drug counters by the name of Flagyl. This is commonly available and a prescription will not be needed for purchasing it. If it is too costly then its generic drug can also be used for treatment.
  • Dissolve 500 mg of metronidazole in warm water. Ensure that the water is warm and not boiling.
  • After this, perform 50% water change daily and reintroduce the metronidazole after every water change.
  • Replenish about 1/4th cup of salt every day after the water change. Salt helps to increase the osmotic pressure in the water which allows for better absorption of metronidazole through the gills of the fish. It also helps to provide a soothing effect to the natural slime coat of the Flowerhorn fish.
  • Make sure that no food is provided to the Flowerhorn during the first five days of the treatment.
  • One pellet can be introduced as food from the sixth day onwards. If the fish eats it then it is a good sign that the treatment is producing the intended results. It is important to carry on the full course of treatment even if the Flowerhorn starts eating. The treatment should not be stopped at any cost.
  • Keep providing small amounts of food to the Flowerhorn from the sixth day onwards till the tenth day of treatment.
  • On the eleventh day of the treatment, perform a 50% water change again.
  • Reduce the temperature of the water in the hospital tank to an appropriate temperature in which you would like to keep the fish in regularly.
  • The eleventh day is the end of the treatment. Once you are satisfied with the health of the Flowerhorn fish after deworming it, you can shift it back to the main fish tank where it will be kept regularly.
deworming flowerhorn

Tips for Prevention of Parasites in Fish Tank

Prevention is the best form of cure. Prevention that strengthens the immune system of the fish and providing a healthy environment for them is the best way to protect them from parasites. Parasites target fishes which are unhealthy and have a weakened immune system due to sickness. Flowerhorn fish should be regularly monitored for any signs of parasite infestation. The treatment should be started at the earliest symptoms which will help to cure them quicker. They should be fed with a high-quality diet and heavily processed food should be avoided. Flowerhorns are large fishes with aggressive behavior, hence they should be kept in a sufficiently large fish tank. Preferably they should be kept alone in the fish tank due to their aggressive nature. The aquarium should be kept clean with regular water changes and should also have a good filtration system. Some of the key tips for preventing parasites in the fish tank and protecting the Flowerhorns form parasitic attacks are discussed below:

Natural Cleansing of the Digestive System

A healthy digestive system is key to tackling parasitic attacks. Fish with healthy and strong digestive systems can counter parasitic attacks without need for active treatment. Parasites thrive on fishes with an unhealthy digestive system. They feast on toxins, high-processed foods, undigested proteins, unnatural mucus etc. A weak and unhealthy digestive system can also hamper the immune system of other organs like the liver and adversely affect their functioning.

Beautiful and healthy Flowerhorn

Maintain a Healthy Digestive System

Diet is important for ensuring a healthy digestive system in fishes. It is strongly recommended to feed a high-quality and low processed food diet to the fishes. The diet should be based on whole foods which is consistent with the wild feeding habits of the Flowerhorn. Foods that are high in starch, carbohydrates, and sugar should be strictly avoided. Not only are such foods difficult to digest, but parasites also like to feast on such foods. Foods like corn, sweet potato, banana, oranges, etc. should be avoided or fed in very small quantities to the fish.

Cleanse for Health and Immunity

Cleansers can be used for improved health and immunity of the fish. Calcium Montmorillonite Clay (Bentonite) is a proven and effective cleanser. Using it expels the parasites and it also cleans the digestive system of the fish, making it less attractive and inviting for the parasites to attack. Parasites thrive in an acidic environment and the use of Bentonite makes the water more alkaline to counter the parasites. It provides digestible minerals to the fish and soothes the already parasite affected digestive system. Foods high in roughage and fiber like peeled peas, daphnia etc. can also be effective in helping to expel parasites and maintain a healthy digestive system of the fish.

Natural Treatment of Fish Parasites

Single ingredients are rarely effective in killing all the parasites as they can kill only a few types of parasites and their eggs. Hence, the most effective type of parasite treatment combines different ingredients for killing parasites. Gelatin-based anti-parasite food is known to be very effective in expelling parasites from the fish. It also contributes towards strengthening of the immune system which helps to fight against other secondary infections. For Flowerhorns, anti-parasite food can be combined with a nutrient-rich diet which are favorites to them. This increases the palatability of the food and it can be easily digested by Flowerhorns. Anti-parasite food can be fed to the fish for 3 consecutive days per week for 3 weeks for getting the best results. For long-term treatment, it is recommended to anti-parasitic food combined with immunity enhancing food and the food which is Flowerhorn’s wild diet can be fed to them. Many anti-parasite foods are also anti-fungal and anti-bacterial in nature, thereby providing increased protection to the fishes from different types of parasites.

It is important to introduce these foods in small doses to the fish. Fish are small creatures and they should be fed accordingly. Anti-parasite recipes should not be fed regularly over a long time period.

Flowerhorn Fish

Natural Anti-Parasite Foods for Fish

There are many natural anti-parasite foods that protect the fish from parasitic attacks. Some of the most important natural anti-parasitic foods are as follows:

Raw, Crushed Garlic

Raw and crushed garlic is an effective natural anti-parasitic food. Crushing the garlic activates allicin that is the major component in garlic and is very effective in treating parasites. Allicin is heat-sensitive and thus crushed garlic should not be combined with heat processed fish food as it will be rendered completely useless. Crushed garlic should be fed in very small doses as an overdose will irritate the mucous membranes in the fish and if overfed for too long, it can cause anemia in fishes due to iron-binding.


Pineapples are rich in bromelain- an enzyme that protects from parasites. Feeding pineapples in small therapeutic doses can expel the parasites from the fishes. Other fruits that are rich in bromelain include papaya, pomegranate, and blackberries. These fruits can also be introduced in small quantities in the diet of the fish for protecting them against parasitic attacks.

Extra Virgin Coconut Oil

Extra virgin coconut oil contains a high content of lauric acid which is known to kill parasites.

Vitamin A Rich Diet

Fish can be fed a diet rich in Vitamin A. Foods like raw and dehydrated carrots, pumpkin, and other vegetables high in Vitamin A can be fed to the fish. Vitamin A rich diet is known to increase the immunity of the fish against parasitic attacks. It is important to note that vitamin A rich diet should be fed in small doses. It should be fed to the fish as a part of a balanced diet and high carbohydrate source foods should be avoided.

In addition to the above diet, there are many natural herbs that provide effective protection against parasitic attacks. They are known to kill the parasites and their eggs and soothe the badly damaged digestive system of the fish. Most of these herbs have a strong taste so they should be fed to the fish in small quantities. They can be combined with other more palatable foods for fishes to increase its chances of being eaten by them. In order to be effective, it should be ensured that the herbs being fed to the fish are fresh. Some anti-parasitic herbs such as wormwood are very harsh and may also be dangerous, so they should be avoided.

Vitamin For Flowerhorn

Keeping and caring for Flowerhorns is much more than only feeding them 2-3 times daily. Maintaining water quality and filtration system in the fish tank is also important. Flowerhorns also have feelings like humans. It is important to keep a close eye on the symptoms of the breakout of the parasitic attack in the Flowerhorns. Over time, our eyes get trained to observe the Flowerhorns and any abnormal behavior can be easily spotted. It is important to take note of these potential parasitic attacks and get the Flowerhorns treated at the earliest. Treatment at an earlier stage of parasitic infestation is much easier to treat successfully.

How To Acclimate A New Flowerhorn


Have you seen a Flowerhorn before? I bet a lot of people have not. Well if you watch enough movies, you should have. Flowerhorn Cichlids are amongst the most interesting, beautiful and unique fish around. Within the years, it has been rated the best in tropical fish. They are basically ornamental aquarium fish. They have unique features such as the shape of their head and their colorful body which makes them stand out from other aquatic species. They have a prominent nuchal hump on their head also called Kok. The name ‘Flowerhorn’, is derived from this ‘kok’ feature and also from the ‘vivid flowers’ (the dark spots that run on the lateral wall of their body).

Even though they vary in color, generally, they are blue or metallic green at their rear end and runs different shades of pink and red towards the forepart. While their caudal fins are rounded, their anal and dorsal fins seem to be more long and pointed. They grow about 12-16 inches (31-41 cm) in length. They have one nostril placed on either side of the head and have a lifespan of about 8-10 years. Flowerhorn Cichlids have these amazing characteristics of changing their color and pattern until they become matured adults. Thus, one can say of the juveniles, you can never really tell their appearance until they attain adulthood.


Flowerhorns are hybrids created out of human intelligence. Its breeding can be traced way back to the 1990s specifically in Asia. They came about from the crossbreed of the red devil Cichlids, the Trimac Cichlids (from Central America) and the Blood Parrot Cichlid (from Taiwan). By 1999, the American market already had about four varieties of Flowerhorn Cichlids. Since then its commercial breeding has been rampant. Since they are man-made, they cannot be easily seen in the wild unless released by their owners.

Ways to make your Flowerhorns adjust to their new environment

A good number of people dream of having this amazing beautiful creature in their homes. Considering that it is expensive, it will take some a long while to save up for it. Imagine you just bought your baby Flowerhorns at a very expensive price with the intention of breeding them in your aquarium. You are super excited and rushing home to start up your fish keeping hobby or business. However, you need to take a pause, just don’t be in haste.  You need to help them adjust to this new environment so they can easily thrive and survive. You would not want them died within a few days and you won’t want them getting sick either. You also don’t want your money being a waste. However, do not feel daunted, it is a relief to know that caring for the Flowerhorn is not such a tough task. The fish adapts well to an aquatic parameter and is not much selection of food- it feeds on any food that contains proteins both artificial and lives.  Here are some tips you need to guide you in settling them in:

1- Set up your fish tank properly

This should be the first thing you should do before purchasing your Flowerhorns and bringing them home. Depending on your choice, you might want to place the tank on a stand. If you are going for a tank stand, make sure you get one that is firm and strong and can withstand the weight of the tank. The tank should be spacious enough. Do not bother decorating the tank with live plants, as the Flowerhorn will end up eating up any live plant in its way. Decorations in form of rocks should be carefully selected because Flowerhorns are agile and quite aggressive aquatic animals. In the process of wriggling in the tank, the rocks might harm them. Unless it is a very large tank, it is not advisable to have other fish in the tank. If it’s a baby Flowerhorn you just acquired, a tank of about 55 gallons should be okay for a start. It should not be smaller than this size. If it is an adult Flowerhorn, then you should go for a minimum of 75 gallons. For a breeding pair, you should go for a much larger sized tank, about 150 gallons or more. Why do you need a big tank?

  • Flowerhorns grow at a very fast rate especially the male Flowerhorns. They could add about 1 inch every month.
  • The larger the tank, the greater the chances of their colors and Koks developing properly.
  • A larger tank will definitely contain a greater volume of water thereby providing more space for swimming. This will also help with a dilution of waste.
  • Cichlids are quite aggressive and have a high tendency of attacking each other or other inhabitants in the aquarium.

In addition to the tank, make available; a filter system (this is necessary since they produce much waste. It would be of need to clean the filter at least once a week), air pump, fluorescent light (this is required if the tank is positioned where it cannot receive direct sunlight. The presence of light gives them a feeling of comfort. Do not place them in a dark room as it will darken their colors), sand and gravel (Light colored gravel would help make their colors bright). Bad water quality could be a hindrance to hump growth so make sure the tank is being cycled. Add minerals a day or two before their arrival. The minerals are meant to aid with the maturity of the Flowerhorns and establish a good amount of biological bacteria. Cycling your tank basically has to do with establishing the nitrogen cycle into your new aquarium. It is called the nitrogen cycle because it has three major constituents; ammonia, nitrite (NH3) and nitrate (NO3) which are all toxins and endangers the health of the fish.

Normally living things produce these toxins when they eat, grow and breathe but they have a way of flushing it away. In the case of these fishes, however, they are confined to an enclosed space and there is no way of the toxic waste going away. It stays in the aquarium water contaminating it leading to poisoning. With the introduction of the Nitrogen cycle, certain good bacteria, which feed on these nitrogenous substances, are introduced into the water. This bacteria colony should be fed and grown even before the Flowerhorn are placed into the aquarium. You can speed up the process of building the bacteria colony by feeding those raw shrimp or fish, fish flake food and also by introducing a live bacteria colony from an already established aquarium.

2- Test your aquarium water

The next step is to test your water for ammonia, nitrite and nitrate and pH level using a liquid test kit. Only when the ammonia and nitrite concentration levels are zero and the nitrate is below 40 ppm can you say that the nitrogen cycle has been successfully completed.PH is the measure of the acidity or alkalinity of the water and ranges from 0 to 14.  The ideal pH level ranges between 7.2-7.6. The sudden change to this pH level can be detrimental to the fish. You would have a well-balanced aquarium set up in readiness for your Flowerhorn. Keep changing at least 25-30% of the water every week to maintain this balance.

3- Add some salt to the fish tank

This is not a must-do procedure. However, salt has certain benefits to the breeding of the Cichlids;

  • It serves as a disinfectant. It kills certain parasites such as ich, Oodinium (velvet), Trichodina and costia.
  • It could relieve Brown Blood disease i.e. nitrite poisoning.
  • When a fish is being transferred from the water of one osmotic pressure into one with different osmotic pressure, it helps to ease osmoregulatory stress.
  • Salt helps the fish stabilize and generally eases stress thereby making the fish feel at home.

Some do not see the need to use salt. You don’t have to use it unless you need to but it can be very effective.

4- Do not stress them out before bringing them home

After purchasing your fishes, try not to keep them in direct contact with the sunlight. Keep them away from the heat. This is because light and temperature fluctuation could really put a lot of stress on them. They thrive at the temperature range of 20-300C. However, the ideal temperature is 28-310C.

5- Turn off the aquarium lights and turn down the room lighting

If they were being bagged before being transported, you may not want to expose them suddenly to bright light. Allow them at least 20 minutes with the lights off before you turn them back on.

6- Allow the bag to float for about 15-20 minutes

If your Flowerhorn was ordered from a fish or pet store, there are high chances that it was put in a plastic bag, pumped with air, partially filled with water and sealed with a rubber strip. Place the bag into the tank and allow it to float. This is to bring the temperature in its temporary bag in concordance with that of the aquarium; it helps prepare the fish for its new environment.

7- Add water to the bag at 4 minutes interval

Use a measuring cup and add about half a cup of the aquarium water to the bag. Keeps the bag floating for another 4 minutes then add a half cup of aquarium water again to the bag. Keep on with this process until the initially half-filled bag gets full. The duration of this process varies depending on the size of the bag to be filled.

8- Pour out half of the water and continue floating

After discarding half the water, place the bag into the tank again and repeat the process of pouring half a cup of water into it at 4 minutes interval until it gets filled again.

9- Release your Flowerhorn into the tank

To avoid the water in the transport bag from mixing with that of its new habitat, cut open the transport bag and use an aquarium net or even your hands to scoop it out and into your aquarium. Be gentle when transferring your fish into the aquarium; use a slow swooping movement. Then dispose of the transport bag. Allowing the water from the transport bag mix with that of the aquarium could be helpful though if your aquarium is new, hasn’t been properly cycled and needs some useful bacteria.

10- Feed your Flowerhorn

Flowerhorns generally are gluttons. They love food. If it refuses food, it may be a sign that it is ill. If they do eat, give yourself a pat on the back. You have successfully acclimatized your Flowerhorns. You should know that food affects the health and growth of the fish. If they are fed with good quality food and at the right time, there are high chances that their Kok admired by all would grow massively. Feed them on vitamins minerals and proteins. Vegetables such as spinach, peas, and lettuce would be great sources of vitamins for them. For protein, include in their diet; small fish, juicy and live bloodworms, minced meat, earthworms, mealworms, fish flakes, and shrimps. Feed them at regular intervals so as to maintain their body metabolism. Be careful while feeding it though, it can bite the hand that feeds it.

In summary;

Flowerhorn is a unique, beautiful, intelligent and highly interactive creature. Even though they can be very aggressive, they are worth the trouble. People keep it for the fun and pleasure.  The fish in its aquarium just adds some glow and color to its surrounding. Despite controversies surrounding its origin, creation, and questions of ethical values, it still hasn’t stopped fish fanatics from keeping it. Just make its environment conducive and favorable for it and you would enjoy it


What are some of the diseases that affect Flowerhorn?

Just like every other aquatic organism, similar diseases also affect the Flowerhorn even though their treatment procedure may vary. Some of these diseases include;

  • Velvet disease- This usually occurs when the fungus invades the Flowerhorn tank. The Fish does not look normal and barely eats.
  • Air bladder disease- The fish cannot swim properly since it is having difficulties opening its air blade. The stress from not swimming very well could lead to its death. The presence of fungus in the fin, virus or bacterial infection is the main cause of this disease.
  • Dropsy Flowerhorn- Here the digestive system of the fish is being affected. Bacterial infection, bad water quality and overcrowding of the fish tank can cause this.
  • White spot disease- The fish has small but vivid white spots all over its body. The fish becomes lethargic, eats less and its fins may be clumped
  • Fin and tail rot- Caused by fungus and highly contagious. Fins and tail seem to be diminishing and get shorter.
  • Mycobacteriosis – This is known with different names such as; fish tuberculosis, piscine tuberculosis, and granuloma disease. This disease is chronic and may take years before it progresses to an advanced stage when it can cause apparent clinical symptoms.

Is Flowerhorn edible?

For lovers of Flowerhorn, this may sound upsetting but humans do consume Flowerhorn. The fact that it is not common to see people eating the quite expensive, colorful Cichlids does not mean it is not edible. Just as it is beautiful to behold, so is the taste delicious and juicy.

Why is Flowerhorn acting nervous?

Fishes just like human beings act nervous especially when they are not in a favorable environment. Bad water quality could make your Flowerhorn apprehensive. Sudden changes in water pH level could trigger their fight-or-flight response. Check out the water chemistry. Is the water soft or hard? Is it acidic and is it compatible with the type of water the Cichlid was used to before you purchased it? Another reason for the Flowerhorn acting edgy could be the size of the tank. If it is too small, fish might be stressed out. Inadequate filtration and overfeeding can also cause this.

What could increase the size of Flowerhorn Kok?

The giant nuchal hump on the head is one of the unique features of the Cichlids. The Kok is like their crown, something they take pride in. Flowerhorn breeders usually love to have this horn grow very big. Some of the fishes have the genetic potential to have a massive-sized Kok while some do not. The following tips just might help your Flowerhorn grow a larger Koks;

  • Using certain dietary rules. Of course, sometimes that which applies to humans also applies to animals. If you want your Flowerhorn to grow healthy, feed them more with foods that contain high levels of protein. There are some commercial pellets sold at quite a reasonable price e.g Alife, New Life Spectrum and Hikari that contain balanced nutrients, which can aid in Kok development. Also, try incorporating shrimp and krill into their daily regimen.
  • Feed them frequently. Make sure they get at least three square meals a day.
  • Do not confine it in a small space! If you do, it will affect its growth because the Flowerhorn can only grow as much as the size of the tank allows it to. It will hardly thrive in a limited space and the Kok will not reach its full size. The tank should be at least up to 55 gallons.
  • Ensure good water quality. The effect of environmental factors on health and growth cannot be overemphasized. The quality of the water in the fish tank could play either a negative or a positive role to its health, which in turn affects its growth. Always remember to remove leftover foodstuff and change the water always to avoid contamination.

It is noteworthy to say that the Kok on its head is made up of fat deposit or accumulation of fat which can shrink or increase depending on its genetic constituents, the diet it is fed with and the state of its environment.

How do I distinguish between male and female Flowerhorn?

It is usually not easy to tell between both sexes but you can check out for certain features which could help point out the sex of the Cichlid.

  • Its size and shape. The male Flowerhorn grow faster and larger than their female counterparts do. They are usually longer than the females (about 2 inches longer), while the females usually have wider cross-sections. Even though both genders can possess large nuchal humps, the males seem to have larger sized nuchal humps than the females.
  • Observe their breeding pattern. If you watch them closely, you will notice the males release sperm while the females eject eggs into the aquarium water.
  • Different body colors. Since Flowerhorns generally have contrasting body colors, it will be difficult to tell their gender using their body color. However, male Cichlids usually possess more intense colors than their female counterparts do. The females on the other hand usually bear a stripe of black color on their dorsal fins. This is usually absent in the males. The females usually have an orange belly especially when they are about to breed.
  • The difference in their reproductive organs. For the males, their reproductive organs are square-shaped while that of the females are triangular shaped. Their vents are not of the same shape. Females have a U-shaped opening while that of the males is V-shaped.

Can it be kept with other fishes?

The Flowerhorn is territorial and very aggressive. They do not want any situation where they would share their space with any other fish. Keeping more than one together in one tank is not advisable. This would result in them beating each other up. But if you really have to, and then separate them using a kind of glass partition. This would keep them away from each other but give them time to get used to each other’s presence. With time they would learn to start tolerating each other. This also applies when two fishes of the opposite sex are involved.

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