Abstract
Data on catching humpback salmon Oncorhynchus gorbuscha at the age of 0 + and chum salmon Oncorhynchus keta at the age of 1+ in the Ilyushina River (Kunashir Island) in the period of spawning migration are given. The sex of fish, the body length, the stage of gonad maturity, and the number and width of sclerites on scales are indicated.
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