Chum salmon (Onkorhynchus keta)

Two seasonal breeds: summer and autumn. The length of the summer chum salmon is about 60 cm, the weight is about 2.5 kg. Puberty comes at the age of 3—5. Spawning falls on August. Fecundity is about 3 thousand eggs. The length of the autumn chum salmon is up to 90 cm, the weight is up to 4.5 kg. Puberty comes at the age of 4. Fecundity is about 4 thousand eggs. During spawning, it acquires the nuptial dress. After spawning, it dies. The caviar is orange, up to 6.5—7 mm in diameter. Juveniles feed on invertebrates, adults in the sea — on fish.