Czechoslovakia [1] ( lat. Pelecus cultratus ) is a species of schooling semi-migratory fish of the carp family, the only species of the genus Pelecus .
| Chekhon |
 |
| Scientific classification |
|---|
| No rank : | Bilateral symmetrical |
| Gender: | Chekhony ( Pelecus Agassiz , 1835 ) |
|
| International scientific name |
|---|
Pelecus cultratus ( Linnaeus , 1758) |
| Security status |
|---|
Least ConcernedIUCN 3.1 Least Concern : 16494 |
|
Content
Chukhon, Czech, Czech, Chablis, saber, sidewall [2] .
The maximum body length is 60 cm, and the mass is 2 kg [3] .
The body is long and narrow, squeezed laterally, saber. The color of the back is from grayish-greenish to green-blue, the sides are silver, the belly is light, with a pink coating. The dorsal fin is gray, located above the anal fin. It contains 2-3 hard and 6-8 soft rays. In the anal fin there are 2-3 hard and 24-29 soft rays. The caudal fin is also gray, forked. The remaining fins are yellowish. The mouth is upper, rather large. The lateral line runs near the abdomen, zigzag. On the belly there is a keel, uncovered by scales [4] .
It lives in the basins of the Caspian , Black , Azov and Baltic Seas . It prefers large rivers and reservoirs that are not overgrown with algae and large lakes, for example, Ladoga , the middle and lower Volga. Held in the daytime at half-water or near the surface, and by night it sinks to more significant depths. With the onset of cold weather it descends into pits and pools. In autumn and spring, a mass course of this fish occurs on the rivers.
Chekhon mainly feeds on insects and their larvae, worms and juvenile fish.
Chekhon spawns from early May to mid-June at a water temperature of + 12 ... + 15 ° C and above. Fertility is from 10 thousand to 300 thousand eggs. The diameter of the eggs is 3.8-5.9 mm.
Valuable commercial fish.
- ↑ Reshetnikov Yu.S. , Kotlyar A.N. , Russ T.S. , Shatunovsky M.I. The Bilingual Dictionary of Animal Names. Fish. Latin, Russian, English, German, French. / edited by Acad. V. E. Sokolova . - M .: Rus. Yaz., 1989 .-- S. 146. - 12 500 copies. - ISBN 5-200-00237-0 .
- ↑ Chekhon // Brockhaus and Efron Encyclopedic Dictionary : in 86 volumes (82 volumes and 4 additional). - SPb. , 1890-1907.
- ↑ Chekhon (English) in the FishBase database.
- ↑ Commercial fish of Russia. In two volumes / Ed. O.F. Gritsenko, A.N. Kotlyar and B.N. Kotenev. - M .: publishing house of VNIRO, 2006. - T. 1. - S. 209-210. - 656 p. - ISBN 5-85382-229-2 .
