Главная 7 Aquarium fish 7 Predatory aquarium fish: rules of keeping (temperature, filtration), compatibility, reproduction

Predatory aquarium fish: rules of keeping (temperature, filtration), compatibility, reproduction

Predatory aquarium fish attract aquarists for their uniqueness, because most often people plant mainly herbivorous or omnivorous species. People have formed the image that predatory fish are aggressive species that are constantly trying to fight, to get into a skirmish.

They necessarily have territorial inclinations, and they carefully protect the chosen territory from any encroachment.

These qualities are present in some species, but they are not in all predators. Among them are peaceful fish.

And small viviparous fish like swordtails and guppies can also show aggression and pugnacious character.

It is impossible to attribute any species completely to herbivores or predatory fish. Most fish alternately consume meat and vegetation in their diets.

Any carnivorous fish needs vitamins and nutrients contained in plants. But among the predator fish, there are families of Tsikhlovs, Piranyevs, Somovs and Snakeheads.

These families include hundreds of species of fish that differ in size and character.

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The Akantoftalmus Kühl or in another way the prickly-eyed reed Kül is a freshwater species belonging to the Vynov family. He was named after the zoologist Heinrich Kühl from Germany. Natural habitat – the territory of South and East Asia.

It is found in water bodies with a shallow depth, most often in medium-sized lakes or dams. The flow of water is usually weak or completely absent.

The fish looks like a snake, as it has a long body, elongated and compressed from the sides, which reaches 13 cm in length. The serpentine body has a beige-gray color, on which vertical black lines are stretched, wide at the back and tapering towards the abdomen.

Anabas is a freshwater fish with a bone skeleton belonging to the Polzunovye family. The habitat of the slider fish is South Asia, in countries: India, Indonesia, Thailand.

The body length does not exceed 22 cm. The flattened laterally body is colored gray-beige with a greenish tint.

The back is darker than the abdomen, the belly is yellowish in color.

A fish can breathe air and stay out of water for several days. Representatives use this ability during droughts to search for more full-flowing places.

They simply crawl from one reservoir to another. They also change their habitat when conditions deteriorate, for example, if there are industrial enterprises nearby and waste flows into the water.

Apteronotus white-eyed, in a different way a black knife – a representative of the Apteronot family, characterized by a specific appearance. It lives in the Amazon River in areas with a weak current.

In Russia, introduced in 1990.

Apteronotus has an elongated body 50 cm long, which looks like a thickened snake; compressed laterally and decreases from head to tail. The species is completely devoid of scales, its role is played by the abundant secretion of mucus on the skin. A distinctive feature is the complete absence of the dorsal fin.

Its role is occupied by enlarged and connected ventral and anal fins, stretching from the end of the head to the tail. A white-eyed he is named because of the two annular stripes on the tail fin and near its base.

Bright aravana is a fish from the Aravana genus that lives in tropical areas of South America. Body size is 100 cm and weight is 5 kg.

The body is long, ribbon-like, strongly compressed from the side parts. Body color is light beige with a silvery tint, the scales are large.

Light Arawan has the ability to jump out of the water for 1–3 meters to catch prey. This is possible due to the compressed powerful body and elongated fins on the back and abdomen.

It feeds on fish, frogs, insects, crabs, snails. Sometimes it catches birds flying over water, eats snakes.

Astronotus is a genus belonging to the Cichlow family. Habitat – Amazon, Paraná, Paraguay.

In nature, body size is 30 cm, and in an aquarium — 20 cm. Body shape resembles an oval, all fins are rounded.

The head is extended to the muzzle, rounded.

Several dozen color variations. The main body background is usually black or brown. It is randomly located spots of pale green, orange, blue-gray flowers.

Sometimes each scale is colored separately; With such staining patterns are often created, resembling labyrinths. Breeders bred albino form of astronotus.

Auratus or Melanochromis golden belongs to the family Tsikhlid. From Tsikhlovyh they got an aggressive character towards strangers, so it’s better to keep them alone or with fish of other sizes.

First discovered in Lake Malawi in Africa. These fish are accustomed to hard and oxygen-rich water with rocky bottom and shores.

The lower part of the body is rich yellow. And the upper part alternates stripes of white and black, usually there are 6 such stripes.

Grow up to 10 cm.

Belonesox or Sarganoshchuk is a live-bearing fish from the Petsilievye family. Body size 15–20 cm.

Although belonesox does not apply to pikes, but in appearance it resembles it very much. An elongated elongated muzzle with a multitude of sharp teeth, the shape of the body is torpedo-shaped: flattened laterally and strongly elongated to the tail.

Another similarity is a reduced dorsal fin curved back. Body color is brown-green, sometimes there are dark spots.

Reduced daytime activity and increased nighttime.

Turquoise akara belongs to the Tsikhlov family and is distinguished by a bright turquoise-blue color, like water in streams and small rivers. Therefore, translated from the Latin Akara means “stream”.

Turquoise akara is not found in the natural environment, since it was artificially bred by breeders from natural blue akara. From its predecessor is distinguished by a more eccentric color. It ranges from silver to turquoise.

Each scale is bordered with neon-blue color, and in the middle the scale is black. On the sides, closer to the dorsal fin is a black spot.

The fins are edged in orange or blue.

Another name for turquoise acara is Greener Terror or “Green Terror”. This name is derived from the extreme aggressiveness of the fish, which even the blue akara does not possess.

Brilliant perch or Enneacanthus is a species from the family of Cenarchus and Detachment Perch. Habitat in nature – US waters.

These are schooling fish, not distinguished by aggression and manifestation of territoriality.

Named as a diamond due to white-golden specks shining in the light on an olive-brown body. On each side there are several vertical dark stripes.

Sprinkler – fish from the order Perciformes. The distinctive ability reflected in the name is the ability to shoot, splashing water from the mouth into the air to catch prey: insects, snails.

The spray reaches a length of 1.5 meters, and the minimum distance is 2.5 cm. It swims in small flocks and conducts a constant struggle for the taking of food from other fish, and catches insects in the air only with a lack of food.

The long-nosed haplokhromis or Tsikhlida-knife is a predator fish from the Tsikhlovye family. It inhabits Chisumulu Island and Lake Malawi.

The name is derived from the elongated forward muzzle, strongly flattened laterally. The body color is blue-silver. Hunting method – ambush in secluded places.

The food is small fish, crustaceans and mollusks.

Green tetradon or green nigroviridis – fish with an unusual appearance that lives in Africa. In tetradons, an oval, round body with miniature fins, and large eyes and a small mouth create an amusing expression.

Recommended for content by experienced aquarists. Green nigroviridis is particularly prone to overeating, so feeding is needed carefully.

Kalamoiht Kalabarsky – cartilaginous fish of the genus Kalamoichty, living in Africa. It looks like a snake because of its long body.

Even the name means “snake fish”. The snake body is covered with large hard scales.

The calamooych completely lacks the dorsal, ventral and anal fins, only the caudal and pectoral fins remain. Color pale gold-green.

Able to breathe air for several hours due to the presence of not very developed lungs.

The African Clarium Catfish or Clarius is a fish from the family of Clarium native to African and Asian waters. Appearance – speckled dark gray pattern on a gray-brown background.

There are several pairs of long whiskers. Clomine catfish are well accustomed to and in Russia and are bred in some factories that grow fish.

A distinctive feature – the ability to be out of the water for more than 10 hours due to the presence of a lung.

Krenitsichla cardiac is unpretentious Tsikhlida with body size up to 24 cm, the area of ​​which – the waters of Brazil. Outwardly, it looks like a pale olive-silver fish with a black discontinuous stripe on the sides, going from snout to tail.

Sometimes there are still dark or light vertical stripes on the body. The heart-cell is named because of a point farther than the head, which takes different forms and sometimes really looks like a heart.

Bag-breeding catfish lives in freshwater lakes and ponds of Asia. The body size of a catfish in nature reaches 70 cm, while in an aquarium it is only 30 cm.

The body color is brown-gray, but the albino species is selectively bred. On the face there are 4 pairs of thick mustaches that help to search for prey at the bottom, among stones and soil.

The common piranha is a fish from the Haracina family known for its predatory inclinations. But for humans, they are not dangerous due to the small size of 25 cm and natural fearfulness.

In nature, live in flocks of several tens or hundreds of fish, live only in places with an abundance of prey because of their voracity.

Their body is round, wide in front and tapering towards the tail. Color usually dark gray with splashes of other colors.

Pseudotropheuses are teeming fish from the Cichlor family, originally from Africa. In nature, live among the rocky waters.

They live both in flocks and singly. The colors range from light blue to lemon yellow and white; most often there are vertical stripes of dark colors on the body.

Snakeheads live in the waters of Asia and belong to the family Snakeheads. In the natural environment, drought is often endured and therefore evolutionarily learned to breathe air.

Therefore, when the lakes dry out, they simply burrow into the ground and wait a dry period.

Bright coloring is inherent only in young fish; when growing up, the colors turn pale and become gray-black. Young fish have a golden-red body with 2 black horizontal stripes from muzzle to tail.

The abdomen is pale.

The knife fish belongs to the Apteronot family. It got its name because of the resemblance to the knife: a serpentine body with ventral fins extending from the head to the end of the body.

In fish, the dorsal fin is completely absent. Grow up to 30 cm.

Tetraodons or puffers from the puffer family live in freshwater lakes in Africa and Asia. Body size is not large – no more than 8 cm.

The color is yellow-green with dark spots, and the abdomen is completely light.

Trophies are a genus from the Cichlow family of Lake Tanganyika. This species is endemic because it is not found anywhere else except Tanganyika.

Colors vary from white and yellow to blue and black. Most often, the color fades with time, reaching its heyday in adolescence.

Cichlids or Cichlids are a family from the order Perciformes. Sizes range from 3 cm to 1 meter. The family includes more than a thousand species.

Usually Cichlids are distinguished by bright multi-colored colors, predatory inclinations and territorial behavior.

Shilb striped from the Nile River grows up to 30 cm and belongs to Somam. The color is gray-brown with vertical stripes of dark color. The sides are lighter and have a silver color.

It lives in flocks.

The aquarium for predatory fish is selected taking into account the length of their body. Most predators grow from 20 to 50 cm, which means that the size of the tank needs roomy.

In addition, a large aquarium reduces the aggressiveness and the manifestation of territoriality.

The water is changed weekly, replaced by 1/3 of the volume of the aquarium.

The average water temperature for predatory aquarium fish is 24–27 degrees. But specific values ​​need to look in the description of the breeds.

For most aquarium predators, a powerful filter in an aquarium is needed, because high pollution is harmful for some species.

Together with predatory fish, the aquarium usually contains the same carnivorous. Herbivores are shared only under the condition that their body size is the same or larger than the body of predators, otherwise they will become food.

But the best choice would be to keep one predatory species apart in a separate tank.

When spawning approaches, predators in the aquarium become even more aggressive. To reduce nervousness and stress, be sure to set up a separate spawner for a pair of fish.

Feed fish with high protein foods.

Fry hatch after 1-2 weeks, and usually parents watch over them. But if the species is aggressive to the offspring, but parents are transferred back to the general aquarium.

The maintenance and care of aquarium predatory fish has its own difficulties and is usually not advised to beginners. But with careful care you get nimble pets with a great mind, who will delight in their coloring and behavior.

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