Chum Salmon Life History
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Embryonic Stage

Development of the Chum Salmon Embryo from Early Stages Through the Alevin Stage
(From Bakkala 19701)

embryo
Chum salmon embryo after 45 days of development.
embryo
Chum salmon embryo after 50 days of development.
embryo
Chum salmon embryo at 11 mm. stage, after 64 days of development.
alevin
Chum salmon alevin at hatching: length 20.5 mm.; 122 days of development.
alevin
Chum salmon alevin at 27 mm, stage, 18 to 22 days after hatching.
alevin
Chum salmon alevin at 31.3 mm. stage, 44 days after hatching.
1 Bakkala, R.G. 1970. Synopsis of biological data on the chum salmon, Oncorhynchus keta (Walbaum) 1792. FAO Fish. Synop. 41, U.S. Fish. Wildl. Serv. Circ. 315, 89 p.