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Predatory fish

maintenance, care, compatibility

Predatory fish aquarium with photo, name and links

Predatory aquarium fish

Quote: “Who wants to live – he must fight. And who does not want to resist in this world
the eternal struggle, he has no right to life. “

Dear reader, this article is devoted to predators of the freshwater aquarium. On the Internet, there are a lot of tales about this issue, to the extent that the Angelfish are ferocious predators of the aquarium.

Therefore, before you lay out our selection of predatory fish, let’s determine with you in terms.

All animals can be divided into predators and herbivores:

Predatory – These are those who eat only meat.

HORROWAYS – These are those who eat only plants.

Now it is worth noting the fact that in nature it is very rare to find a PREGNANT ANIMAL, which feeds exclusively on meat. For example, cats!

Cats are predators, but all happy owners of Barsik and Murzikov know that their pets love to chew grass and home plants.

The same situation is with the fish. In the huge aquarium kingdom it is very difficult to find a meat-eating fish.

Perhaps this is not. I do not renounce, but the diet of all aquarium fish includes both vegetable and animal feed.

From the above we can conclude – Of predatory aquatic fish in the true sense of the word does not exist. Speaking of the predatory nature of fish, the word aggression is most likely appropriate.

But with aggression there is its own catchup – after all, even guppies show intraspecific aggression, although they don’t pull on predators at all.

Thus, it is possible to deduce a certain vector of understanding of the phrase: “PRIVACY AQUARIUM FISHES” – these are excessively aggressive, large, territorial aquarium fish, in the diet, which mainly includes meat food.


Many people know that the family of cichl fishes are for the most part aggressive, territorial fish, especially this statement applies to African cichlids. In some species of cichlids, there is even the most severe intraspecific aggression, which is manifested not only in males in relation to each other, but also between the male and female, for example, as in Labeotrofeus Arevavas.

Sometimes it comes to the fact that the joint maintenance of the female and the male becomes simply not possible, since the latter slaughters an individual of the opposite sex to death.


Astronotus – the most popular and common cichlid, having a predatory disposition. Large, aggressive fish, which is best kept in the species aquarium and a pair.

Astronotuses are perceived by all small neighbors as food. And with large species, clashes occur constantly.

For an adult couple, it’s almost unreal to plant someone.

Fish can reach 35 cm. Astoronthus is the birthplace of the Amazon, the system of the rivers Paraná, Paraguay, Rio Negro.

The volume of the aquarium for such tsikhlin need from 300 to 500 liters.

Water parameters: pH 6.0-8.0, temperature 22-28 ° C. Of course, aeration, filtration, and regular water changes (weekly 30%) are necessary.

Particular attention should be paid to filtering – it should be powerful (the second filter will not be superfluous). The aquarium can be decorated with large stones and snags, the decor should not be sharp.

CYCHLIDE KNIFE Haplochromis long-nosed

It has a territorial character and is jealous of those who come to its territory. Long-range cichlus rushes to various shiny objects. In clashes with other fish catches the eye, for which he received the nickname “eye eater”.

These fish in nature are fierce “killers.”

Comfortable parameters of water: temperature 25-27 ° C, dH 8-20 °, pH 7.5–8.5. aeration, filtration, weekly substitution? parts of fresh water with the same parameters.


Piranha predators are literally armed to the teeth. Teeth lamellar and sharp as a razor.

Piranha’s jaws are powerful, an adult can bite a wooden stick as thick as a human finger.

It should be noted that aquarium piranhas lose their natural aggressiveness, while maintaining their formidable appearance. But for some reason people’s fear of this does not disappear.

Piranhas are a great aquarium fish, therefore it is better to keep them with a school of 5-8 fish of the same size and age.


These somas are not just predators, but “fierce killers”. In their homeland, in Asia, they exterminate all the fish that are in their reservoir, and when there is no one left, they crawl out onto dry land and crawl to the nearest new reservoir for the “new victim”, while at the same time eating on land »Insects and small frogs.

We must pay tribute – in the aquarium, these somas behave much calmer.


The fish is not livable grumpy character, shows aggression. You can keep a tetradon with large mobile fish.

Some authors recommend keeping this fish only in a species aquarium.

For a flock of tetradons you need a large volume of aquarium from 150 liters. Fish leads a twilight lifestyle and is afraid of bright light.

Therefore, the aquarium is equipped with a variety of stones, caves, snags and floating plants.


Toward the close of the article, I will give an example that clearly shows the rapacity of any living creature, even the most innocent.

Akantoftalmus – a small loach wormfish. Peaceful harmless inhabitant of the aquarium bottom.

But…. in nature, if an acantophthalmos is caught by a medium-sized predator, a sharp spike will cause it to immediately spit out and remember this striped fish. Big birds or catfish often swallow Acantophthalmos completely.

What, very much regret. A small fish breaks through the stomach wall of the animal, and sometimes goes outside.

The obscene predator dies.

The struggle for life, alas, many forces to be predators and cold-blooded killers. And the world of aquarium fish – this is just a small springboard for fighting for life and procreation.

We also recommend you to look at the colorful brochure “Popular types of aquarium fish”. This brochure contains all popular types of fish, with a description of their conditions of maintenance, compatibility, feeding + photos.

(to view or download, click on the image)

Popular and beautiful predators from home aquariums

Place a tank for predatory fish in a calm, well-lit corner. The larger the size of the aquarium, the better for all the fish. Predatory pets need optimal water parameters, do not tolerate temperature fluctuations, which also provokes aggressive behavior.

The parameters of the aquatic environment need to be adjusted by instruments, any changes affect the overall condition. Filtration, aeration should be permanent.

Decorate the water landscape with snags, caves, stones, clay pots, water broad-leaved plants with a strong root system. The easiest way to contain predators tsihlazom and cancer because of the larger size and simplicity.

Smaller predators require serious training aquarist. Do not immerse hands in the tank with water, treated with cosmetics, or scratched, with bruises.

Carnivorous species can attack a wounded arm and damage it.

Look at the feeding of predatory aquarium fish.

Predatory aquarium fish just will not attack their neighbors or people. If this happens, then there are reasons for it, among them may be:

  • Desire to satisfy your appetite, hunger;
  • The desire to defend their territory;
  • Spawning and protection of offspring;
  • Conflict between males over a female, or dominant behavior;
  • Similar body color, or bright body color of another fish;
  • The small size of the body of neighbors, their sluggishness;
  • Aggressive human behavior.

When settling it is necessary to take into account that representatives of one species get along better with each other. Exceptions are barbs, polypteruses, sharks, piranhas and other species that live better alone, or in very spacious tanks with other fish.

African cichlids do not live with South American for the reason that they need different water parameters. Dwarf cichlids live well with apistograms, patsils, mollies, scalars, and pelminochromis.

Do not settle small herbivorous fish with predatory, all aquarian inhabitants must be proportionate, have the same taste habits. Feed everyone in time. Make sure that during the holidays someone feeds your pets, otherwise those who are stronger will destroy the weaker ones.

Feed predatory fish in small portions 2 times a day. The abundance of animal feed with protein content is the key to their well-being.

If a hungry predator decides to eat another fish, he can wait for it for a long time from an ambush. Try to avoid such moments, create the most comfortable conditions for all pets.

See also: How to feed a cichlid in a home aquarium?

Cichlides are becoming more and more popular every year. Carnivorous cichlids also require increased attention during maintenance, as they can engage in fights even with congeners.

An example of an aggressive African cichlid is the hawklochromis long-nosed or fish-knife. This predator of relatively small size (10–13 cm) furiously rushes at smaller fish.

  • These cichlids live in small flocks, where there is a pronounced leader.
  • Eat dry, frozen or live food for cichlids.
  • The temperature of the aquarium water should be in the range from +25 to +28 degrees, the acidity is neutral, the hardness is from 10 to 20 degrees.

Predatory aquarium fish bring the sharpness of sensations and bright colors to the home underwater world. These fish will require more attention, and in return will deliver unforgettable emotions to the owner due to the manifestation of their predatory habits and natural instincts.

Predatory fish are larger in size and can show aggression among their relatives. The most popular are aquarium cichlids, piranhas, polypteruses, astronotus, discus and scalar.


Aquarium predators require adequate nutrition, otherwise they will attack their neighbors, pulling out their fins to each other. It is necessary to provide them with quality food with live food, sometimes replacing it with raw meat and other surrogates.

The best food for them is live fish, which should be regularly included in the diet of predators. It is not advisable to feed them the meat of mammals, predators and birds, as this leads to fish obesity.

Beef heart and liver can be given in small amounts. But the best fit is shellfish, shrimp, frozen fish, tadpoles.

There is an unspoken rule in aquarism: in the aquarium should be released as many small fish as food for predators, as they eat them at a time. Small fish should not be among predatory fish until they are hungry again.

The size of the small fish should be such that the predator can swallow it whole.

You can not overfeed fish, it can lead to toxic aquatic environment and the reproduction of parasites. The dosage of feeding depends on the type of fish, most often they are fed in small portions several times a day.

The behavior of carnivorous inhabitants of the aquarium during feeding is an interesting sight. Some predatory fish wait in ambush and slowly approach the prey, while others actively catch up and seize the prey.

Predatory aquarium fish always attracted aquarists with their exotic outward beauty, but they were especially interested in intriguing behavior. It is much nicer and more fun to watch the big fish, as they are like real aquatic pets.

Predatory fish aquarium make home aquarium exotic. There are many types of predators.

The larger the size of such fish, the more interesting it is to watch them.

These fish deliver much more trouble than the usual “peaceful” fish. Before buying predators, experts advise to carefully weigh the pros and cons.

Predatory fish in the aquarium require close attention. They constantly show their natural instincts.

The most popular are piranhas, cichlids, girinohaylusy and fish with the strange name “Indian Ocular Knife.” In very large aquariums often snakeheads are bred.

Under natural conditions, large individuals reach 1 meter in length and their weight can be 7 kg. Such fish look very colorful.

Together with snakeheads, you can only keep big fish, such as polypteruses, tarakatums and astronotus. Otherwise, the predator just swallow them.

Some species of fish may exhibit intraspecific aggression.

The frequency of feeding depends entirely on the type of predator. Environmental factors also matter.

Many fish in nature eat food continuously. In aquarium conditions, fish can be fed several times a day.

At the same time it is necessary to give small portions of food.

Some predatory fish in the aquarium can swallow large prey entirely. In this case, they are fed no more than three times a week. Sometimes they themselves refuse extra food.

Below is a video of feeding predators aquarium fish.

Predatory aquarium fish need a large aquarium with an optimal water temperature. The composition of water also matters.

The larger the individual, the more space it needs. You can not keep in the same aquarium cold-water and warm-water fish.

In addition, home water should be equipped with a filter. There should be enough oxygen in the water.

Attention should be paid to landscape design. Algae, snags and pebbles can be placed in an aquarium.

The maintenance of predatory aquarium fish is a fascinating activity that brings a lot of pleasure.

What is the difference between peaceful species of fish and predatory? First of all, in the diet. This was discussed above.

And it is also known that predatory fish are distinguished by extraordinary greed and gluttony. Often they take so much food that they cannot even digest it. Most predatory fish live in subtropical and tropical areas.

This is due to the fact that in the warm waters there are much more mammals and herbivorous fishes that make up the basic diet of carnivorous inhabitants of the deep sea. Another worth noting is the fact that predators are more intelligent than their prey. They are very creative.

Here you can remember the white shark – the most dangerous for humans among sharks. Scientists believe that she is much smarter than a domestic cat. This was proven by experiments in the Bahamas, where these predators were fed with automata.

They quickly figured out which keys to press to make food appear.

Carnivorous representatives of the water depths have always attracted the attention of man. Very many species of predatory fish were domesticated. Now their dwarf types are bred in aquariums.

The most popular among them are piranhas, girinohailus, cichlids and others. And in captivity, they manifest their natural instincts.

This should be taken into account when breeding together in a single aquarium peaceful fish and predators.

You can not put together species similar in habits and conditions of detention. You can not let them starve.

From lack of food predatory aquarium fish can eat each other. It is very interesting to observe the behavior of cichlids.

They have quite a lot of intelligence. These little fish love to watch everything that happens outside the aquarium.

They can even recognize their master, react to some of his movements. Snakehead – another domesticated predator.

His appearance is very colorful. He is able to do without water for a long time.

Piranhas in captivity are more fearful than aggressive. With every loud knock or blow to the glass of the aquarium, they sink to the bottom and convulse.

In order for these fish to coexist with peaceful species, they must be provided with a complete feed.

We have seen how diverse the world of carnivorous fish is in freshwater bodies and in the depths of the sea.

Moray, barracuda, stingrays. Dangerous inhabitants of the deep sea

The white shark is the most dangerous water predator for humans.

Omnivorous, ready to tear to shreds in a matter of minutes everything that falls into its habitat zone. So we imagine piranha.

And what really is this predatory river fish? Piranhas live in the turbulent waters of the Amazon River. This is a small fish, only 20 cm long.

Piranha has a keen sense of smell, as well as a large mouth, dotted with a number of terrible flat teeth. Individuals keep the pack, very voracious.

They prefer to hunt in large groups. Often hiding in the shelter, waiting for the unsuspecting victim. Attack quickly, lightning fast.

The prey is eaten in seconds. A common predator’s diet is fish, birds and mammals that come close to water.

This extremely aggressive river dweller has long attracted the attention of people. Now displayed several types of aquarium piranha.

The most popular of them are: slender piranha, red pacu, ordinary and lunar metinnis and others.

It is difficult to imagine that there is life in the vast depths of the world’s oceans too. Here, in the pitch darkness and under great water pressure, there are predators. They are usually small in size.

Their body is devoid of scales and is covered only with thin skin. Deep-sea fish have a very bizarre body shape.

And almost all of them are predators. This is evidenced by their terrible toothy mouths.

Some species look like a huge head with a big mouth, dotted with rows of terrible sharp teeth. Even the names of these strange inhabitants are very bizarre. The names of predatory fish that live in the deep water are: meshmiglot fish, grammar room, galateatum, largemouth, hatchet, linofrin, and others.

These predators adapted to live in conditions unbearable for other animals. With their huge mouths, they grab the prey, even if it is larger than themselves, and swallow it whole.

Many aquarists get their predators. In this case, the most common mistake – the selection of predatory fish, together with the peace-loving.

Buying a certain set of fish, you must first of all be aware of their compatibility. If there are goldfish in your tank, predators will simply eat them.

It should also be remembered that acquiring for the aquarium very different in size fish, you are at great risk, even peace-loving fish can eat small individuals. Let us consider in more detail the most common types of aquarium predatory fish.

These predatory fishes belong to the order of perciformes. Aquarists love them for a beautiful bright color and unusual behavior.

These fish have high intelligence and can recognize their owner, react to the movement of their hands and observe life outside the aquarium.

These fish are predators under natural conditions, they are as long as 20 cm, and in an aquarium they grow up to 15 cm. Their bodies are oblong, dark blue or bluish in color.

The presence of eight transverse bands is obligatory. The eight-band cychlasma is very aggressive, therefore it should be contained in a species aquarium that is not less than 90 cm long, large flat stones and sandy soil.

Plants in the aquarium, to withstand the attacks of fish, must have a strong root system. In a small amount they need to give finely chopped liver and beef meat.

These predatory aquarium fish have a long oblong body 20-25 cm. For their maintenance requires a large aquarium of 400 liters. A distinctive feature of the krenicichla is a dark longitudinal stripe, as well as black spots on the sides.

They feed on small herbivorous fish, amphibians and crustaceans. For normal digestion, a predator needs fiber.

Most often they attack from ambush at fish, which violated their territory, including their relatives. In the aquarium it is desirable to have snags, various caverns and aquarium plants – this will help to choose a shelter to your taste.

This fish is also called Oscar. Under natural conditions, the length of its body can reach 35 cm, and in an aquarium, 25 cm.

Her oval body is slightly flattened at the sides, the forehead is large and convex, and at the base of the tail there is a black spot called the “false eye”. These are the most common predatory fish for the aquarium, especially albinos and red individuals of astronotus with white fins.

This predator is unpretentious in content, but it behaves rather aggressively with its neighbors. The volume of the aquarium for them should be at least 200 liters. They feed on live food or its dry substitute.

This is a small fish with large eyes, bulging and up to 10 cm long. Its head smoothly flows into a short rounded body.

A distinctive feature of this individual is that, at the slightest danger, it can “inflate” its body. You can enrich the diet of these fish with finely chopped liver, heart or beef.

Be sure to select in the aquarium a place where the tetradion can lie low, otherwise it will become overly aggressive towards its congeners.

Of course, aquarium piranhas are not as bloodthirsty as their wild relatives. They have lost their aggressiveness and do not represent danger to humans.

Matriarchal reigns inside the pack, where “extra” relatives are simply killed. Aquarium for flocks must be at least 400 liters. The lack of space will immediately make these fish more aggressive towards each other or the rest of the fish.

Neons, guppies and other small fish are suitable as neighbors, piranhas do not pay any attention to them. You can feed them with earthworms, finely chopped meat, sea fish and shrimps.

Despite their reputation, aquarium piranhas are very shy, they can faint from a flash of light and loud sound, so it’s better to place the aquarium in a quiet place.

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