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Shark Aquarium Fish

maintenance, care, compatibility

Many are accustomed to the fact that a typical shark is a bloodthirsty predator, waiting for its prey. Most likely, this description is suitable for ocean and marine species, but not for aquarium decorative, which have minimal body size. Small species rarely display an evil temper; rather, these fish may be frightened by others, even by humans.

There is information that the mini shark grabbed a man by the hand and bit, but it is not confirmed. You can clean the aquarium, lay it in the soil and the scenery can be easy. They love a soft bottom, they sometimes dig into the ground.

These fish are unpretentious in content. Distributed mainly in museum and public aquariums, where they look more interesting.

Experts found that the shark aquarium slightly lazy creatures, characterized by a calm character. Sometimes they lie at the bottom of the tank, the movements during the voyage are slow. A few hours before the meal, they bustle and make sharp turns.

When it comes to the business of feeding – face out of the water, demanding food. So, they have a biological “clock” with built-in memory.

During lunch, they repel, disperse the rest of the fish from the food and tear up the food, splashing their tails. This is probably the only thing that connects them with related predators. Have a strong grip, grabbing a portion of production, for no reason it will not let go.

For feeding in the general aquarium, the food is distributed evenly so that all the fish can eat, or a separate feeder is installed.

Decorative aquarium sharks – active fish in the home pond

In order not to condemn their pets to a joyless existence in a confined space, and even in uncomfortable conditions, you should pay attention to the features of the content.

The ornamental shark fish is distinguished by a somewhat specific nature and requires increased attention. Here are just general rules:

  1. The constant water temperature is from 24 to 29 ° C.
  2. The volume of the aquarium – at least 40 liters.
  3. Daily change of about 30% of the water in the tank.
  4. Good filtration and aeration of the aquarium.

As for the internal arrangement of the glass house, here you can afford almost everything. But note that under a layer of sand or small pebbles you should certainly lay a layer of large pebbles.

Plants are planted either in the soil itself, but deeper, or placed in special clay pots, carefully strengthening them. The fact is that aquarium sharks are very mobile fish.

For the convenience and comfort of such unusual pets, arrange several grottoes and stone caves at the bottom.

Despite their frightening name, these fish are quite peaceful and do not annoy their underwater dwelling neighbors. They only look so fierce and terrible, but get along with almost everyone.

Often there are names: pennant pangasius, freshwater or pennant shark. It is this fish that has the greatest external similarity with its predatory tesk. In the wild, there are specimens up to 1.5 m. Long.

In captivity it grows no more than 60 cm. Consider this when choosing a tank.

Photo shark catfish will help make a choice.

The fish has a rather shy character and, at the slightest danger or anxiety, it can jump out of the aquarium or torpedo the walls of its glass house, which causes harm, especially to itself.

Feed should be slices of frozen fish, squid or dry granulated food. But the measures in the food does not feel and may even get sick because of overeating. Therefore, it is recommended to feed twice a day, observing the time schedule.

Also, twice a week it is recommended to arrange “unloading” days.

Warning! Do not lodge small fish with this freshwater shark.

Because of her gluttony, she can simply devour her neighbors, taking them for food.

Beautiful and graceful, but a little insidious aquarium fish. With good care and nutrition reaches 50 cm in length.

If conditions of detention deteriorate, it changes its color and becomes lighter. This should serve as a sign for the owner – there are problems in the home water!

Like her relatives in the shark aquarium clan, gluttonous. Here lies the cunning – if it is underfed, it can easily gobble up its smaller brothers.

A good photo will show the beauty of a black fish in a home aquarium.

If you have decided for yourself that you want to breed aquarium sharks as ornamental fish, you should know the aspects of choosing both the individual and the house for it.

We choose houses by the following principle:

  1. For the bottom shark, an aquarium of square or rectangular shape with sharp corners, as it can breathe, lying quietly at the bottom.
  2. For a pelagic shark, the best option would be a ring aquarium, or at worst with rounded corners. This fish rushes through the glass house at high speed and it is difficult for it to “brake” before an obstacle, which affects the quality of life and can lead to diseases.
  3. The volume of the vessel per individual is at least 35-40 liters, taking into account the fact that with intensive growth a larger house will be required.

Do not place several species of sharks in one aquarium. They may differ by conditions of detention:

  • temperature conditions;
  • salinity of water;
  • the presence of different plants;
  • the way of movement and life (bottom or pelagic).

It is important to take into account the fact that sharks of different sizes feel uncomfortable in the same aquarium.

Also, there is a different diet. Although all decorative shark fish are famous for their wonderful appetite, there are still some differences:

  • time frame for eating (morning-evening, day, or only for the night);
  • the presence of fasting days, which are fraught with “trouble” for smaller inhabitants;
  • varieties of food.

And most importantly – the neighborhood with other inhabitants. It is impossible to put small fishes together with these predatory fishes, they can “pass for food” for hungry hooligans at a certain time.

Other fish should at least not be smaller than their predatory neighbors, not be too “shy”.

If all this knowledge has not stopped you and the desire to acquire a home shark is still left – you will become the owner of the most unusual and exciting indoor pond.

Shark Ball: content, compatibility, breeding, photo-video review

Shark Ball – a very interesting silver fish, similar to a miniature ocean shark. Of course, they are not relatives, but there are similarities.

It should also be said that the “Aquatic Shark” is a peaceful and harmless fish. Some offensively compares it with a roach, and someone does not understand the charms of these fish at all, however, as they say, the taste and color of their comrades do not.

In my opinion, given the unpretentiousness of this fish, given its nimbleness and peculiar shark beauty, it can be recommended not only to beginners, but also to experienced aquarists.

Latin name:

Balantiocheilus melanopterus
Barbus melanopterus
Puntius melanopterus

Russian synonyms:

shark ball, fire-tailed barb,

barbus shark, balantioheylus,

silver shark, tricolor shark.

Foreign names:

Bala shark, Silver shark, Tricolor shark.

Squad: Cyprinids (Cyprinidae).
Water temperature: 24 – 26 ° С.
Ph acidity: 6.5-7.5.
12-16 °.
Aggressiveness: not aggressive 10%.
The complexity of the content: easy
get on with virtually all aquarium fish. We can recommend: all tetras – (congo, thorns, cardinals, lanterns, etc.), viviparous – swordtails, other gourami, barbs, peaceful cichlids. Not compatible: It is not recommended to keep a shark ball with slow, voile fish, for example, with the Goldfish family.

And also it’s not worthwhile to push them to large, aggressive and territorial cichlids, for example, to astronotus. See also article compatibility of aquarium fish.

How many live: Balu’s life, by aquarium standards, is long enough; under good conditions, they live up to 10-12 years. Find out how much other fish live HERE!

The minimum volume of the aquarium: In principle, the Shark Ball can be contained even in an aquarium from 100 liters, in such an aquarium one can be planted, well, a maximum of two fish. However, as you know, the larger the aquarium, the better. Given the fact that these fish are large enough – the fish can be up to 35 cm in length, the minimum size of an aquarium for them should be between 300 liters, and preferably 500 liters.

If you keep sharks in a small aquarium, then they simply will not grow, they will not feel comfortable and as a result live less.

About how much you can keep fish in X liters of aquarium, see HERE (at the bottom of the article there are links to aquariums of all volumes). The shark aquarium should be wide.

Requirements for care and maintenance of the shark ball:

In some special conditions of detention do not need. In fact, the observance of optimal parameters of aquarium water is the key to their well-being. However, it is worth remembering that:

– Be sure to need aeration and filtration, weekly replacement of up to 1/4 of the volume of aquarium water.

– the aquarium must be covered with a lid, the fish are nimble and bouncy.

– sharks feel comfortable among the living vegetation. However, you should not densely plant an aquarium, five shrubs of vallisneria are sufficient for sharks.

– Aquarium decoration, at your discretion: stones, grottoes, snags and other decorations. In the aquarium must be provided an open space for swimming.

Shelters are absolutely not needed.

Feeding and diet shark ball:

Not whimsical in food, omnivorous, prone to overeating. With pleasure they eat live, dry food, substitutes. Especially love live and frozen food (Artemia, Daphnia, etc.).

Feed the bloodworm is not recommended. The food is taken by fish from the middle layer of aquarium water.

From the bottom of the feed is not taken willingly.

Feeding any aquarium fish should be correct: balanced, varied. This fundamental rule is the key to successful keeping of any fish, be it guppies or astronotuses.

Article “How and how much to feed aquarium fish” talks in detail about this, it outlines the basic principles of the diet and feeding regime of fish.

In this article, we note the most important thing – feeding fish should not be monotonous; both dry and live food should be included in the diet. In addition, you need to take into account the gastronomic preferences of a particular fish and, depending on this, include in its diet ration either with the highest protein content or vice versa with vegetable ingredients.

Popular and popular feed for fish, of course, are dry food. For example, hourly and everywhere can be found on the aquarium shelves of food company “Tetra” – the leader of the Russian market, in fact, the range of feeds of this company is striking. In the “gastronomic arsenal” of Tetra are included as individual feeds for a certain type of fish: for goldfish, for cichlids, for loricarids, guppies, labyrinths, arovan, discus, etc.

Also, Tetra has developed specialized foods, for example, for enhancing color, fortified or for feeding fry. Detailed information on all Tetra feeds, you can find on the official website of the company – here.

It should be noted that when buying any dry food, you should pay attention to the date of its production and shelf life, try not to buy food by weight, and also keep the food in a closed state – this will help avoid the development of pathogenic flora in it.

In nature, live:

Homeland – Thailand and the islands of Southeast Asia. The natural reservoirs of the shark ball are fast streams and rivers, which is why it is better to put a powerful aerator with a filter in the home aquarium that will create appropriate water flows.


In fish, the body is narrow, compressed on the sides, large eyes and lower mouth. Mustache absent.

The main body color is silver-steel. Scales are large, resembling a small mirror.

Pectoral fins are colorless. The rest is either transparent or yellowish with a wide black edging. Males are slimmer and smaller than females.

Again, the length can reach 35 cm.

School, nimble, bouncy fish. It is better to keep a flock of 5 fish.


A bit of history:

In 1851, they were first studied and described.

Breeding and breeding shark ball:

The reproduction of the shark ball is very difficult:

First, you need an impressive aquarium for keeping and spawning.

Secondly, hormonal injections are needed.

Sex differences are mild. To distinguish the sex of young fish is not possible. Sex determination is possible only when a fish reaches 14 cm in length.

Males are larger and round.

The bottom of the spawning aquarium is covered with a separate net, producers are planted at a ratio of one to one.

The female throws up to 10,000 eggs. At the end of the spawning period, the producers are removed.

The incubation period of caviar is two days, then the larvae appear. On the third day, the young begin to swim in flocks.

Starter feed live dust. Under good conditions, juveniles grow rapidly.

Comments and additions to our expert on fish breeding V. Chernyavsky Now – about reproduction. First, manufacturers should be more than 4 years old and their size should be at least 35-40 cm.

Secondly, the size of the spawning should be very impressive – at least 2 meters in length, up to 60 cm in depth, and about 50 cm in height. The total volume of water is 1200-1500 liters.

And the water should be soft. For successful spawning, at least 20 kg of Javanese moss is laid on the bottom, on which caviar will be laid. In order to spawn, it is necessary to change the water for cooler and softer and softer for some time – and then raise the temperature.

2 males and 1 female are planted for spawning. At the end of spawning, males and females are deposited, and methylene blue or another antifungal agent is added to the water with caviar. On the third day, methylene must be removed with coal.

Every day, a water change of 50% by volume with water of the same composition and the same hardness is necessary.
It is very difficult to do all this – therefore, even the “company” breeding of the shark ball is not undertaken. They are caught in nature.

By the way, this has already led to the fact that in more than 70% of the habitats of the fish they are no longer found. Shark disease disease

Shark ball is very stable fish and can tolerate harsh conditions of detention. However, it is not necessary to experiment, such excellent health does not last forever.

The key to successful fish maintenance is to provide them with a spacious aquarium and optimal water conditions.

Subject to all typical diseases of aquarium fish and there are no nuances in their treatment. Subject to aeromonosis.

Fish are treated standardly: by raising the temperature to 30 degrees, methylene blue, tripaflavin, baths with salt, etc.

In matters of treatment you will be helped by the site section: AQUAMEDICINE.

In home water bodies it is customary to contain the following types of sharks.

This is truly the bestseller of the world aquarium market for fish exported mainly from the Kingdom of Thailand. It is mainly supplied by specialized Colombian companies.

The very name of the fish speaks for itself. It has a rich black color, which is the more intense the better an individual is. There is, in addition to the above type of aquarium pet:

  • the black albino shark, whose color is light, almost transparent;
  • the two-tone black shark of a particularly attractive appearance – the pet’s body is velvety rich black, and the bright red tail contrasts with it.

Objectively, the black shark fish looks very like a sea predator, but only in miniature:

  • size reaches 40-50 cm;
  • character balanced, until the fish is full;
  • the feeling of hunger makes it fully predator, capable of attacking any moving object, the two-colored shark of this species is especially aggressive.

If you want to make a real ocean space out of a regular aquarium, professional aquarists recommend having shark catfish in your home pond. And do not think that the similarity of this fish only in the name, the pangasius as they also call this species of aquarium fish, is very similar to a real shark. However, despite the external data, the shark catfish is peace-loving and friendly, a little frightened, because it is afraid of loud sounds and sudden movements.

Sometimes he panics and for a long time adapts to a new place of residence. And although these little nuances sometimes spoil the impression of a fish, a small shark swimming in a home aquarium is not only delightful, but is also one of the posh inhabitants of the aquatic world.

Aquarium sharks, or more simply, the Siamese pangasius or shark catfish, are a very common type of pet. In nature, there are two types of aquarium sharks, namely:

  1. Pangasius hypophthalmus, which is a predator and grows to very large sizes.
  2. Pangasius sutchi – more “harmless” and not aggressive fish.

This type of pets is suitable for those aquarists who love moving fish. Having got into its new home for the first time, the shark catfish begins to panic, toss and topple everything in its path.

He may even pretend to be dead for a while or faint. However, after a couple of minutes, the “shark” is acclimatized and is already running around the aquarium, as if it lived here all the time.

Shark soma pangasius or freshwater sharks are fish whose natural habitat is in Indochina and in southeast Asia. This family unites about 46 different species of fish, of which only two are suitable for keeping in captivity.

The most common freshwater sharks in Laos, Vietnam and Thailand, where they are grown as commercial fish on special fish farms. By the way, with a real shark, these fish are similar only in appearance.

These are completely different families of fish and freshwater sharks belong to the catfish, which are also called pangasius.

Freshwater sharks are very big fish. They love the middle layers of water.

On the upper part of the mouth, these catfish have a pair of whiskers, the eyes are very large, and the body is shaped like a torpedo. The head is flattened from above, the adipose fin is small.

In two species of freshwater sharks that may be kept in an aquarium, the color is dark, with very rare stripes and patches of a light shade — in a high-fledged catfish and silvery tone — in an ordinary Siamese.

Pangasius or freshwater shark has a light belly; males are brighter in color than females. Freshwater sharks look very nice in large species aquariums with proportionate neighbors. Freshwater sharks are predators and can behave quite aggressively.

With proper care and feeding grow extremely quickly. The optimal size in captivity is about half a meter.

Full maturity is reached at the age of 3-6 years. Live 10 years.

When the content is required regular weekly replacement of about a quarter of the volume of water in the aquarium. At the same time, the skin of the fish turns pale, but after about a day they return to normal.

You cannot replace one-third of the volume of water in an aquarium once, as a freshwater shark can go into a state of shock. Desirable water parameters for a comfortable content: hardness up to 20, acidity from 6.5 to 8.0, temperature from 22 to 28 degrees C. Filtration, aeration is obligatory.

Not recommended content with neighbors, much smaller. Such fish as a freshwater shark in an aquarium perceive them as food and easily eat.

This shark is a very active and energetic fish, which also has a rather capricious and unpredictable character when kept in very close conditions. Therefore, it is desirable to close the aquarium lid with a load.

It is desirable to feed the pangasius in the evening because it is most active at night. Lighting should be pretty moderate.

The diet of this fish is very rich. Freshwater shark perfectly eats fish, shrimp, meat, dry, live and vegetable food. In the food must be protein, as this shark is a predator.

When she is hungry, she can even attack fish that she cannot swallow, therefore, if she lives with her neighbors, it’s better to keep her full, but not overfeed. On the contrary – it is recommended to arrange fasting days a week to avoid obesity and disease.

We considered several main types of aquarium fish living in fresh water. These species are not limited to the whole variety of aquarium fish, but this article already gives a rough idea of ​​how beautiful freshwater fish are. Whatever fish you choose for your home, be it a shark, a predatory piranha or a peace-loving chainmail catfish, you should always remember about the compatibility of certain species.

It’s great when you can stop your tired look at the aquarium and see your pets busily swimming in the water!

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