Abstract
The results of long-term studies of fishing catch dynamics, biomass and size composition of stingrays off the western coast of Kamchatka from 1980 to 2019 are presented. As we show, in recent years the largest part of stingrays has been caught in the Kamchatka-Kurilskaya subzone. The main tool of their extraction is the bottom layer, as it made 82.7%. The multiyear biomass averaged over 5 years ranged from 3 071.7 tons (1996–2000) to 12 323.6 tons (1986–1990), and made 5 954.0 tons on average. The most significant species due to the stock volume are Bathyraja maculata, B. parmifera, and B. violacea.
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