Abstract

is anarcticboreal bathypelagic species inhabiting theNorthern Atlantic. The southern margin of theGreenland shark range lies in the Bay of Biscay (European coast) and Newfoundland (American coast); thenorthern margin is located along Greenland andSpitsbergen (Andriyashev and Chernova, 1994).The fishing of the Greenland shark in the BarentsSea started in the middle of 18th century (Zhilinskii,1925; Karlsen, 1958) and reached 400 tons per year(Glebov, 1950). When the demand for the fishoilextracted from the shark liver has decreased due to theproduction of the synthetic vitamin A, and the coastfishery activities fell due to the increase of the oceanicfishing in 1961, the targeted catching of the Greenlandshark have been stopped. When the targeted fisherypressure is absent, the studies of the distribution patterns of the apex predator and its abundance dynamicsare extremely important for the ecosystem approachapplied currently in the fishery sector of the economics. The studies of the closely relative species, thePacific sleeper shark

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