Fish are aquatic vertebrates that breathe with gills. Fish body covered with scales. Fish have fins and a tail. The body temperature of a fish is the same as the temperature of the water in which they live. By way of eating fish are divided into carnivorous, omnivorous and herbivorous.Predatory call those that eat other fish and also some animals and birds. To predatory fishes are pike, perch, pikeperch, catfish, burbot, white sturgeon, Chub, etc. Omnivorous fish eat worms, crustaceans, mollusks, insects and their larvae and, in addition, the partially feed on plants. This carp, tench, roach etc.Representatives of herbivorous fish, the white Amur and silver carp.
