Sexual Maturation and Sex Ratio in Pacific Cod Gadus macrocephalus (Gadidae) in Waters of Primorye (Sea of Japan)
2019
Vdovin, A. N.
Fifty percent of Pacific cod Gadus macrocephalus males reach sexual maturity in waters of Primorye at the age of 2+, while the age of female sexual maturation is 4+; 100% sexual maturation occurs at the age of 6+ and 7+, respectively. According to the long-term average data, the general number of males is 1.2 times larger than that of females in the population; among mature individuals, the number males is 1.7 times larger than females, which is required for successful spawning.
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