1. Features of the Biology of Mass Fish Species in Russian Waters of the Chukchi Sea 3. Families Clupeidae (Herrings), Osmeridae (Smelts), and Salmonidae (Salmonids).
- Author
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Datsky, A. V. and Vedishcheva, E. V.
- Abstract
Based on research 1995–2020, abundant and potentially commercial fish in Russian watersof the Chukchi Sea have been identified. In total, 72 species were recorded in trawl catches, 16 species from six families were abundant, among which smelts (Osmeridae), salmons (Salmonidae), and herrings (Clupeidae) accounted for an average of 1.5, 0.2, and 0.1% of the total commercial marine fish biomass, respectively. For the species of the analyzed families, the size-age and weight characteristics, features of linear and weight growth, timing, scale and conditions of spawning were considered. The biological indicators of fish from the Chukchi and Bering seas and other water bodies were compared. Saffron cod Eleginus gracilis, Arctic rainbow smelt Osmerus mordax dentex, Pacific cod Gadus macrocephalus, Greenland halibut Reinhardtius hippoglossoides, and some species of sculpins were represented mainly by juveniles and immature individuals, older fish appeared in climatically warm years. Walleye pollock Gadus chalcogrammus, Pacific salmons, Alaska plaice Pleuronectes quadrituberculatus, and starry flounder Platichthys stellatus were characterized by the presence of older individuals. In polar cod Boreogadus saida, Bering flounder Hippoglossoides robustus, yellowfin sole Limanda aspera, Sakhalin sole L. sakhalinensis, longhead dab L. proboscidea, Pacific herring Clupea pallasii, Pacific capelin Mallotus villosus catervarius, and warty sculpin Myoxocephalus verrucosus smaller body sizes were recorded for the specimens caught at the Chukchi Sea shelf comparing to those from the Bering Sea. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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