Catfish and its habitat
Som is the largest predatory fish living in fresh water. It can reach a weight of about 300 kg (in favorable conditions). Soma body elongate, covered with dense scales. Has a distinctive mustache on the upper and lower jaw. The color of this predator depends on its age, time of year, and the water in which it lives. Mainly back it has a black colour, the abdomen yellowish color with small blue spots, sides with a green tint. The younger som, the brighter the color of its fins and skin.
Food for catfish
Som is considered as a typical representative of predatory fish. It feeds on small benthic fish (whitebait, bleak, elcic, ruff, etc.), crayfish, river leeches, clams, sometimes even waterfowl and various carrion. Can enjoy and medium-sized pike. It’s greedy and gluttonous creature. His favorite delicacy — frogs (used as bait for catching big catfish). Intensive feeding period occurs after the spawn, weakening gradually with cold water. Som can at a distance of one meter to suck the flow water its prey.
Found in the rivers basins of seas such as the Azov, Black, Baltic and Caspian. There is also in the Onega and Ladoga lakes. Catfish can be found primarily in the southern rivers.
He mostly lives in deep holes and trenches littered with fallen trees and overgrown with algae. All this serves as protection and shelter from fast currents. This fish does not tolerate strong currents. From her hiding place som comes out only when hunting. In addition to depth, for soma is also extremely important to the inaccessibility of the place and the presence of a shadow because it does not like sunlight. Often they are found under rocks, dams, sheds, in caves and ravines. The favorite habitat of the catfish are also various submerged structures. They protect against noise and currents.
Lifestyle soma has some peculiarities. They depend on the place in which he lives. Usually catfish is a slow-moving, sedentary, rarely leaving the shelter. Large catfish are passive, lazy and clumsy.
Som loves warm water. Can’t stand the high water and muddy water, sometimes may even die from it. Spawning of this fish is in may, when the water temperature is at least 15 degrees. It spawns in shallow areas where weak or do not exist. Winter catfish sinking into a deep pit. It buries itself completely in the mud, to wait out the cold.