Studies of the dominant commercial species of crabs of the Sea of Okhotsk in autumn 2018 and spring 2019
2019
Moiseev, S.I. | Moiseeva, S.A.
In the fall of 2018, in the south of the Terpeniya Peninsula, studies of the spiny king crab (Paralithodes brevipes) were conducted at depths of 16–36 m. In spring 2019, in the area of Shelekhov Bay, studies were conducted at depths of 80–402 m, where the main object was of the blue king crab (P. platypus) and in the North Okhotsk Sea Subzone at depths of 170–236 m, where the fishing of the snow crab (Chionoecetes opilio) was monitored. Additionally, collected materials from other crabs found in by-catch. Japanese-style cone trap data acquisition tool. For biological analysis, we took a random sample of crabs from several traps, and at the trap station, we calculated all crabs by size and gender groups. Physiological and biochemical tests were collected to describe the relationship between filling the limbs with muscle tissue in crabs and the protein content in hemolymph. The research results indicate that in the Terpeniya Peninsula the fishing part in the P. brevipes population is in satisfactory condition. In the region of Shelekhov Bay, the biological state of P. platypus was in very good condition, and the biological state of C. opilio was consistently satisfactory in all areas
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