GENERAL CHARACTERISTICS OF FAR EASTERN SEAS 



739 



Fig. 363a. Fishing regions abundant in commercial pelagic fish of the north- 

 western part of the Pacific Ocean (Rass). 1 Tuna and Cololabis (outlines); 

 2 Salmon ; 3 Herring ; 4 Scomber. 



The catch of Kamchatka crab and marine mammals has increased consider- 

 ably in the last ten years {Table 299). 



Three biological groups may be distinguished among the commercial fish : 

 transitional, marine pelagic (Salmonidae in their marine period) and the marine 

 bottom-living fish. Far Eastern salmon belongs to the first group; herring, 



Table 299. Yield of Soviet marine industry in Far Eastern Seas, 10 z centners (L. Berdi- 



chevsky, 1957) 



