What does an oscar fish look like

What does an oscar fish look like

This is a freshwater aquarium fish. This very large aquarium fish knows its owner well, it is happy about your appearance, lets you pet it, and can even eat out of hand. However, you need to be careful: if you get carried away, it can bite. Oscar fish is very beautiful, aquarium breeders have bred many breeds of this interesting fish that looks extremely exquisite. Aquarium oscar fish looks like – a real decoration of your home or office. It is quite unpretentious and not demanding for the conditions of detention.

It was the fun part. Now for the sad part. A large aquarium is required to hold the oscar fish. It is highly undesirable to have less than 50 liters per each fish. Most fans usually keep a pair of these fish or even one fish in the whole aquarium.

Oscar fish is very comfortable with fish of its own kind and with those that are not far behind in size. However, like most South American cichlids, it is a predator. That is, when he sees a small fish, he eats it without thinking.

In the aquarium oscar fish needs necessary ventilation-the fish love oxygen-rich water. At the same time, you do not need to install a filter pump and arrange a “flow”-the oscar fish needs standing water. The soil is preferably Rocky. If you really want to plant aquarium plants, then you have to choose hard leaf species-everyone else will definitely dig and Gnaw this great mobile fish.

The water temperature in an aquarium with oscar fish is needed in the range of 22-28 degrees, the pH is 6.5-7.5, the mineralization of water should be within 25 degrees of general hardness.

It is best to feed fish with Good purchased food. You can also eat live and frozen food. Shrimp, fish fillets, mussel meat, tadpoles, cuttlefish, frogs, grasshoppers, cuttlefish, and other large feeds are suitable for oscar fish. You can feed rain or garden worms after holding them for 5-6 hours in a separate glass of water so that the intestines of the worms are freed from the Earth.

Oscar fish(Astronotus)

Representatives live in the water basins of Paraguay, the Amazon, and the Rio Negro. We had them in 1957.

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Oscar fish is one of the largest aquarium fish species. In nature, the size of these fish reaches 40 cm. In appearance, the fish resemble discus. In them, as in the discus, in the pre-spawning period, a substance is secreted on the surface of the body to feed the fry with the epidermis.

Oscar fish look like a stately and beautiful in appearance: the whole body is wide with a pattern of black-brown zigzag spots on a background of red-brown with a greenish tint covered. In addition, the background repeats in various variations, bred recently fishkeepers, on the tail fin of mature fish appears a bright orange spot-a star on a brown background.

There are no differences between the sexes as such. It is believed that it lies in the size and intensity of the site at the border of the tail and the tail fin. Externally, the fish are indistinguishable, and only before spawning does the female release the vas deferens tube wider and larger than the male.

Fish are shy and slow in movement, quickly get used to the owner, recognize him during feeding, take food from their hands.

Breeding Oscar fish

The prison conditions are on the verge of breaking out. During the pre-spawning period, it is recommended to add peat to the water (pH-6.5) and maintain its composition for a long time. In addition, boiled peat should be placed in the filter layer. The incentive to spawn can be an increase in temperature and pressure of fresh soft water as an additive.

These fish are bred in large aquariums (at least 300 liters) at a temperature of 26-30°C. Before spawning, the producers begin to clean stone, glass, and filter and open their mouths wide and clumsy, scraping imaginary dirt from the surface. Often during this time, the male grabs a fern branch with his mouth and pulls it down, as if trying to decorate his mating site.

The female slowly begins to lay eggs in neat portions. The diameter of the eggs is about two millimeters, the color is whitish with a cream tinge. The wall spot reaches 80-100 mm. the male usually follows the female, fertilizes the eggs, and eats those that have fallen to the ground. Spawning ends as suddenly as it begins. The female sweeps up to 500-600 eggs. At the end of the laying, the stone should be picked up with caviar and tilted into the spawning area with the front side to the sprayer. The water in it should be the same as that in which the growers spawn, with a temperature of 28-30°C. at a lower temperature, the caviar matures more slowly and there is a risk of damage from saprolegnia.

The temperature is gradually reduced to 26°C during the day in the spawning area and then to 24 ° C.

Caviar matures for two to three days and with the appearance of larvae falls on the glass bottom of the spawning ground. When the fry swim, they are fed small crustaceans – “dust”. Juveniles are hatched on the sixth day.

During the first days of feeding, the light near the spawning area should not be extinguished at night: in the dark, the fish sink to the ground, into the mud, and can die.

Oscar fish fry looks like a discus fish fry. Fry grows quickly, becomes mobile, first, take food floating in the water column, then look for other places, including food on the ground. It is desirable to give different food.

Compatibility of oscar fish with other fish species

It is believed that these beautiful and graceful Predators have a rather peaceful and quiet disposition. They are not afraid of people, know how to recognize their owners, and even let themselves be caressed. In relation to the other inhabitants of the local pond, however, oscar fish can behave unpredictably and very aggressively.

For many species of aquarium fish, these predators can pose a deadly threat. Taking into account the excellent appetite and carnivorous nature of the oscar fish, some fishkeepers even grow to eat particularly potential victims for them. Usually small aquarium fish become live food for these fish.

According to experienced fishkeepers, these creatures have an impressive appetite. Gluttony of oscar fish is often the cause of your health problems and even death. So this beautiful predator can easily suffocate and die and suffocate trying to eat another medium-sized aquarium fish.

However, practice shows that oscar fish can have neighbors in the aquarium. In particular, aquarium fish of the same size as the predators themselves can live in the same tank with them without the risk of eating. In addition, representatives of the medium-sized aquarium fauna (from 10 centimeters), which have protective spines and spines on their bodies, can get along with oscar fish.

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Useful information about the content oscar fish

According to experienced fishkeepers, oscar fish look like graceful predators can get along with almost all kinds of aquarium fish at the beginning of life. Small oscar fish rarely show aggression and do not contradict other inhabitants of the home reservoir. However, once the body size of the fish reaches 10-12 centimeters, they begin to be a serious threat to their smaller neighbors. It is not uncommon for older predators to eat other inhabitants of the aquarium with whom they had long coexisted peacefully.

In the care for oscar fish have great importance the size of the aquarium. In a small reservoir, these predators become aggressive, start conflicts, and fierce fights both among themselves and with relatives of other species. For this reason, it is desirable that the volume of the aquarium with fish of this variety at least 300 liters. In addition, it was found that aggression can occur in the fish as a result of stress. Under the influence of stressful conditions, these predators can enter into conflict and attack more peaceful neighbors.

Before the season of mating games, oscar fish begin to “share” the area in contrast to other inhabitants of the aquarium. This behavior is due to the instinctive desire of predators to protect their future offspring from possible dangers.

Experienced fishkeepers recommend populating the aquarium simultaneously with oscar fish and other fish species. With this approach, the inhabitants of the aquarium can immediately “share” the territory among themselves, which will avoid conflicts in the future.

Aquarium for oscar fish

The aquarium for oscar fish is required no less than 300 liters. They must be kept in a monoculture. In some cases, if the fishkeepers can provide the desired water composition with mechanical and biological filters, it is sufficient to contain in the 200-liter aquarium.

Oscar fish is unpretentious, lives, and spawns in the water of medium hardness, quickly gets used to a new environment, rarely gets sick.

Picking pairs is a long and difficult process, similar to angelfish. However, the characters with which a few can be spared are much more complex.

What does an oscar fish look like

Fry is held together by different blood parents, then medium-sized ones are selected to form producers. If the content of Young of selected fish, the water should be hard 10-12°.

At the age of about one year when oscar fish looks like ready, selected fish are placed in a separate aquarium, water becomes soft and slightly acidified. Soon, mating occurs: an unwanted couple of their own sex is banished by one of the producers until it kills them. During this time, it is necessary (to monitor especially at night), the fish and consistently put out bullied ones until there are a few that could be transplanted into a separate aquarium. With the remaining fish, you should continue working in the same order. Often, if you know at least one gender, you can use the Elimination Method to add a known person to the number of two unknowns. The behavior of the same sexes will be hostile.

Significant importance in the selection of pairs plays different blood. This affects both spawning activity and quality.

The bottom of the aquarium is laid out without a bottom, but in the middle with two flat stones of Hard Rock, boiled and kept in water for some time. The stones are about 18-20 cm wide. Water fern should be placed on the surface. The lighting is good, in the range of 60 watts. Since the water surface is covered with abundant green ferns, the light in the water column penetrates cautiously, which corresponds to the conditions of these fish. The water temperature in the aquarium with astronauts is 24°C.

Fish feed on large food, mosquito larvae, frozen food. Such foods are simply necessary for producers to prepare them for spawning. In addition, you can give earthworms, aged, such as sludge worm, treated for several days in the refrigerator or lean beef. Sedentary fish caught in natural reservoirs can serve as live food.