In winter, does not feed and is almost not active.
The fat fin is absent in the catfish.
The length of the catfish can reach 5 meters.
Depending on the habitat catfish color can vary from almost black to pale yellow.
Among catfishes there are also albinos.
Catfish is widespread throughout Eurasia, except the Arctic Ocean.
The female catfish lays eggs in the nest, and the male protects this nest.
Catfish feeds on fish and other freshwater animals and shellfish (can attack the water birds and small pets).
Cases of Catfish attack on people are known.
For all their greed, catfish are lazy and slow, especially large. They can not always get along with fast, large fish. Therefore, they often resort to different tricks. For example, they open the mouth and lie still, when a small fish approaches this mouth, the catches the water with it. Also, he can hide himself in the vegetation, but only the mustache, which looks like worms and attracts fish, shows to the outside.
But this does not mean that the catfish avoids an open attack. Once in the vicinity of the prey, the catches its tail with a strong tail and deafens it, and then eats it.