Marine fish
Marine fish actively drink sea salt water, providing the necessary level of water for normal functioning, and excess salt is removed from the body. The exchange of chlorine ions, sodium,…

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Indian glass catfish (catfish-Ghost)
GLASS CATFISH (Indian glass catfish, Kryptopterus bicirrhis; Cuvier et Valenciennes) — in length reaches 10 cm Its second name — som-Ghost — fish received for the transparency of his body.…

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Sea catfish

Ordinary som is one of the largest freshwater fish. Inhabits Europe in the basins of the Caspian, Black, Azov and Aral seas, and here in the basin waters of the Arctic ocean soma will not meet.

Catfish live in well-heated by the sun water bodies with slow current. Gray-brown with greenish stains a powerful the body may reach 4 meter length, the weight comes to 360 kg.

The catfish belly is light gray or white. In General, the color depends on the environment an ordinary catfish, and can be from yellow-gray to dark gray and even almost black.

The naked body of a common catfish thickly covered with mucus. He has a large head, broad and rounded snout with a huge mouth in which small and very sharp teeth. Eyes are small, like tiny beads. Upper jaw shorter than lower jaw.

There are three pairs of whiskers on the upper jaw two long moustache, on the lower four, but short. Short back fin is located closer to the head, the pectoral fins are rounded, the anal fin is too long and connects to the tail fin.

Ordinary catfish lead a sedentary and mostly solitary lifestyle. Finding a driftwood house, in the form of small holes, living in her whole life, briefly leaving his home at the time of spawning.

At a younger age, when nebulisator hunts, chasing the victim, and heavy adult blue catfish prefer to wait in the siege. Ordinary catfish feed on fish, shellfish, waterfowl. Choose carrion, thereby bringing great benefits to the pond.

A large gathering of fish, common catfish gather in groups and tolerates each other. Hunting, catfish rely more on a keen sense of smell (antennae) and the lateral line of the body, is able to detect the slightest vibrations of the water.

Can hunt both at depth and on the surface of the water. Active at night or at dusk, resting during the day. When the temperature begins to drop in the fall, soma are deposited in the pits and lose activity, freezing until spring. All this time the ordinary catfish don’t eat.

In the spring, after a winter diet of ordinary soma for almost a month actively and greedily eaten. Grabbing and eating everything that gets. Then the male builds a plant material obviously, this seaweed nest.

After a brief courtship, the female lays sticky eggs in the nest, settling on the walls and the bottom, it is firmly attached. The female catfish, depending on the age, lays of 11,000 to 99,000 eggs, then swims away, having finished his mission, and the male remains to guard the future offspring.

Not long to wait, after three days the larvae appear, with a length of 7 mm, which still firmly held in the slot. They eat their yolk SAC for a few days, about a week. During this time grow to 13 – 15 mm and leave the nest.

Starts an independent life and struggle for survival. Small catfish are holding in the shallow water and feed on leeches and tadpoles, molluscs, bugs and beetles. Then catch juvenile fish. When the catfish grow up to 15 cm, begin to hunt for frogs, crayfish and fish.

In the wild catfish live 25 – 30 years.

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