Pygmy tetradon: contents and photos. Fish tetradon: description

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2021-02-21 15:29:02

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Recently, you can buy a variety of exotic fish in pet stores. One of the most unusual, but very remarkable inhabitants of aquariums is the dwarf tetradon. Many people know very little about this cute and funny fish, so they often make mistakes when keeping them.

General information

Dwarf tetragona are distant cousins of the most famous poisonous puffer fish. Some aquarists are afraid to keep them, because they believe that their mucus also contains toxins. But there is no official confirmation of this opinion.

Tetradon pygmy in the wild lives in the southern Indian state of Kerala. These small freshwater fish live in a system of lakes and channels that have a muddy or sandy bottom. Their Latin name is Carinotetraodon travancoricus. The tetradon fish will never swim into the open sea, so you do not need to add water to the aquarium inhabitants.

Tetradon has an intense yellow color. Adults reach only 2.5-3 cm in length. Tetradon yellow dwarf-the smallest of all the relatives of its family. His skin is smooth, without spikes and needles on his stomach. This is how he differs from his famous relatives.

Sexually mature males have a brighter color. Often they have a dark stripe located in the center of the tummy. Females have a more rounded shape. The eyes of these fish rotate independently of each other. This feature of the anatomy allows you to view the world around you, almost without moving. Dwarf tetragona capable of in the mood to change its color. It varies from yellow-green to almost brown with dark spots. Their belly has a white or yellowish tint.

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Dwarf tetragona differ in their curiosity. They watch with interest everything that happens behind the glass. Such fish can eventually recognize the owner, who feeds them daily. In good conditions, they live up to 6-7 years. The tetradon fish is still rarely found on sale, but its beautiful color and unusual behavior are increasingly attracting the attention of aquarists.

Aquarium decoration

Tetradon dwarf, the photo of which causes delight, does not require any special devices in the aquarium. For him, it will be enough to plant the soil with various algae, in which the fish will hide. You can also put various fancy driftwood or branches on the bottom of the aquarium, which will serve as additional protection. Designed in this way, the container will provide a large field of activity for curious and frisky tetradons, as well as reduce the level of intraspecific aggression.

This type of fish prefers calm water, so its flow in the aquarium should have an average power. For such inhabitants, regular partial replacement of water is required. The dwarf tetradon naturally lives in reservoirs rich in various thickets and shelters, so it prefers the same conditions in aquariums. Floating plants can be used to disperse sunlight. In such conditions, this type of fish is characterized by increased activity. Aquarium with dwarf tetragonally preferable to plant water fine-leaved plants such as Java moss, cabomba Aquatica, of ambulia.

Conditions of detention

In a flask with a volume of 10 l can not contain more than 3 dwarf tetragonal. Accordingly, a 20-liter aquarium is suitable for a small flock of these fish, consisting of 5-6 individuals. Moreover, there should be more females than males to reduce the risk of their persecution by very loving "grooms". With a larger population, the conditions of detention become more complicated, and the risk of fish fighting among themselves increases.

Tetradon, the content of which in the aquarium is complicated by its increased sensitivity to nitrates and ammonia, will be able to live normally only in ideal water quality. That is why it is necessary to constantly monitor the level of chemicals. You should also change the water in time. Its temperature should be in the range of 22-28 °C. The hardness is dH 4-25°, and the acidity is pH 6.5 - 7.5. Fish need aeration, filtration, replacement of a third of the water volume every week.

Content Features

The dwarf tetradon, whose content in the aquarium is dictated by its predatory nature, can hunt various animals. It belongs to the family of quadrupeds, which feed not only on worms, but also on mollusks, such as snails. That is why the tetradon (its content with various small animals will lead to its destruction) will not allow other fish to multiply in the aquarium in large quantities.

Diet

The aquarium tetragona eat perfectly frozen and live foods. At the same time, they use dry food very reluctantly, so ready-made flakes or pellets will not suit them. The nature of tetragona feed on insects, small invertebrates, snails. In the aquarium, they need to provide a similar diet.

If there are no snails in the container with these fish, they must be given as food. In this case, you should choose small individuals. This food will not only enrich the diet tetragonal, but will periodically wash their constantly growing teeth. Best of all, tetradons eat small snails, such as fiz, melania, and spool. Of the frozen food, these fish are most suitable for bloodworms, daphnia, artemia. They are very well eaten by tetragonally when mixed with living microorganisms, e.g. Tubifex.

Tetradons leave quite a lot of waste after feeding, so you should not give them a lot of food at once, so as not to pollute the water. They should eat their diet right away.

Neighborhood with other fish

The dwarf tetradon is a small fish, but this does not prevent it from being very active and energetic. Such features allow you to fight for food with some of the larger inhabitants of the aquarium. Tetradon dwarf, the content of which is possible with large-sized mobile, but not aggressive fish, gets along well with rasbora Espei, otocyclus, danio Hopra, iridescent.

You should not buy such inhabitants if there are individuals with beautiful fins in the aquarium. The dwarf tetradon can easily bite them and deprive the fish of an attractive appearance. Also, it is not necessary to keep these predators together with viviparous species, since in this case the chances of seeing fry are reduced to zero.

Content with shrimp

Dwarf tetradon and shrimps get along well in a large aquarium. Cherry and Amano shrimps are most suitable for the neighborhood. Other freshwater species of these arthropods can also be used. Moreover, the dwarf tetradon can easily cope with the fallen individuals, thereby cleaning the aquarium from contamination. He can also eat young shrimp.

Features of tetradons

These aquarium dwellers can quickly take on the shape of a ball. To do this, they inflate their tummies, filling them with air or water. Most often, this behavior is a response to a threat. Some aquarists have noted an increase in cases of such behavior in densely populated tetragonal artificial ponds. When inflated, their size increases by 2-3 times, which allows you to scare off potential predators. Due to this feature of this type of fish, they can almost never be swallowed by large neighbors. Another characteristic feature of the dwarf tetragonal is their ability to rotate the eye.

Hunting style

Tetragona aquarium – predatory fish, which have a very interesting manner of hunting. As a rule, they are located above the potential prey and carefully consider it, carefully aim. In a small area around a potential victim, these fish can catch her by surprise. Only a few seconds later, the tetradon attacks its victim. At the same time, his jerk does not always bring good luck. Sometimes even Coretra manages to avoid a fatal attack. After a failed attempt, the pygmy tetradon starts hunting again from the beginning.

Daily routine

Strange as it may sound, but the tetradon fish adheres to its daily routine. She wakes up when the lights are turned on or with the first rays of the sun at dawn. After warming up the fins, these fish swim up to the front glass of the aquarium and look out for the owner who should feed them. After a stormy meal, each notebook finds a secluded place, and life in an artificial pond calms down. Full-fed adult fish fall into a light doze, and young individuals spend all their free time in games.

Mature tetragona closer to the evening, start to pay attention to its other neighbors. At the same time, the males acquire a darker color and begin to swim around the tufts of moss, waiting for the favor of the female and scaring off rivals. Such flirtations of fish continue until about 7 pm. Around 20 o'clock, the dwarf tetradons begin to settle down for the night. At the same time, they do not pay the slightest attention to the lighting of the aquarium.

Intelligence

A smart and intelligent fish is the dwarf tetradon. Keeping it in the aquarium is not particularly difficult. He quickly gets used to the owner and when he appears near an artificial pond, he begins to actively beg for food from him. At the same time, the greatest frolic is shown by females swimming along the glass. Males show more patience and calmness, but when the food gets into the water, they immediately attack it.

Reproduction

The tetradon fish is successfully bred in aquarium conditions, which is pleasantly different from other relatives. For breeding, take a couple of fish or the best male and several females. Aquarists say successful reproduction and in fairly large flocks dwarf tetragonal. These fish breed, provided that there is a small filter in the container and a lot of thin-leaved plants. Water must be regularly replaced in small portions. Its parameters should be optimal for this type of fish. The temperature is set within the upper limit of the permissible range.

They feed the fish before spawning with a pipefish and such frozen food as a bloodworm. They are also given small snails. Ready to breed, the male gets an intense color and a brighter pattern on the body. At the same time, it flattens from the sides, becomes less rounded. The male begins courting the female with a vigorous pursuit of her. Often he bites his "lady" until she shows interest in him. Courtship most often ends on a site with low vegetation, where the couple releases eggs and milk for a few seconds. Most often it occurs near a variety of mosses. To spawn tetragona can several times for one period. This happens until the female gets rid of all the eggs.

Rearing of fry

The fish spawn almost transparent eggs, the diameter of which is only 1 mm. It develops in the places where it fell into the shelter. Each female can give up to 100 eggs. Dwarf tetragona not eat off of them. That is why the seed material should be moved to a controlled environment where it can successfully develop until the larvae hatch. You can collect it with a large pipette. At the same time, it is necessary to get rid of infertile or disease-infected eggs, which have a milky-white color.

For growing fry, a small container with water from the parent aquarium is suitable. Its temperature should be the same as in adults. For the arrangement of the aquarium, a conventional airlift filter is used, which will protect the fry from being drawn in. At the same time, microorganisms useful for them will multiply on its surface. It is also recommended to add a little moss used in spawning tanks to the aquarium.

After 5-6 days, tetradon larvae hatch from the eggs. For 2-3 days, they feed on the yolk sac. Every day the fry will become more and more active. For normal development, they need a very small food, such as grindal (microcell) and ciliates. Next, you can include artemia nauplia in the diet. Only after a month, the fry will be able to eat frozen bloodworm. For the past 2 months, they grow up to 1 cm. All fry of different ages should be kept separately, since older individuals can hunt their smaller counterparts.

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