The greatest number of this thermophilic fish reaches basins of the Caspian, Aral, Azov and Black seas, mainly in a river discharge spaces and the river deltas of the Volga and the Don. In the basin of the Arctic Ocean this fish is not.
Catfish - the largest predator of our reservoirs. It has an elongated body, covered with small scales firmly seated, huge head. jaws fitted with brushes of small but sharp teeth, a pair of long whiskers on the upper jaw and four shorter - at the bottom. Catfish is able to swallow prey, sometimes a little inferior to him in size and weight (but that it can be extremely rare, mostly food are small benthic fry, clams and crabs).