The main industrial fish species
In the seas and oceans of our planet are populated with over 21000 species of fish. About ten percent of them belong to the industrial types. Breeding allows you to obtain not only the fish as a commodity, it is the raw material for the production of medicines, fertilizers, pet food. Industrial fish are divided into freshwater and marine.
Freshwater species are fish that inhabit the ponds, lakes, rivers. The main industrial freshwater fish species are catfish, carp, perch. To artificial breeding of well adapted to black bass, trout, carp, Amur, silver carp. Such kinds of fish as pike, perch, catfish, carp, crucian carp, bream, take the first place in terms of industrial production in our country.
Particularly valuable of freshwater species of fish are:
sturgeon and stellate sturgeon, Beluga, sturgeon, this species of fish has a very tasty and fatty meat, and from them collect valuable Beluga caviar;
salmon – humpback salmon, chum salmon, Steelhead, these fish species are given, in addition to high demand of red caviar, delicious meat.
Marine fish accounted for 87% of all fish in the diet of a person. A cold-water species are found in the Northern seas, these include groupers, flatfish, cod, herring. In teplichnoye live and breed heat-loving species – syrevye, jacks, Tunas, mackerel.
Herring is the most famous and popular among the consumers of fish products, and fish. Easily recognized by its blue-purple back and a silvery abdomen and sides. The main food for herring is plankton. Herring which are found in the Atlantic and Pacific ocean that looks very similar, but the biology of these fish is significantly different.
Another well-known sea fish, cod. Cod is a predatory fish. Fishing and breeding of cod is one of the important crafts of Europe and America. Cod liver is a delicacy. This fat product, rich in vitamin A. the meat of this fish is low-fat, because the fat accumulates in the liver. From cod liver oil produced fish oil, which is a valuable food Supplement.
Great importance for the industrial cultivation of fish are flatfish species. It is a bottom fish, the body flat, fully adapted for life on the bottom. Body colour, white or yellow. Both eyes are located on top.
The shores of warm seas and inhabit such industrial types of fish as mackerel, horse mackerel, anchovy. Sardines inhabit the warm waters of the Japanese and the Mediterranean sea, and the coasts of Australia, New Zealand, South Africa.
Anchovies – small fish. Their length does not exceed fifteen centimeters. A large number of these fish are bred at the shores of the Azov and the Black sea.