Arctic and Pacific drainages from Mackenzie River delta, Northwest Territories, Canada to Sacramento River drainage, in California, USA; occasionally as far as La Jolla, southern California; also in northeast Asia (Ref. 5723). On Asia side, from North Korea to Jana and Lena drainages in Artic Russia. In Bering Sea north of about 40°N and from Bering Strait northeast to Point Barrow and northwest to Lena estuary (Ref. 59043). Introduced elsewhere. Occasionally hybridizes with Oncorhynchus keta producing fertile offspring (Ref. 28983).
- Page, L.M. and B.M. Burr 1991 A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
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