Definition of Oncorhynchus keta
1. Noun. A large Pacific salmon with small spots on its back; an important food fish.
Generic synonyms: Salmon
Group relationships: Genus Oncorhynchus, Oncorhynchus
Medical Definition of Oncorhynchus keta
1. An anadromous species of salmon found in the streams of the pacific coast from sacramento north, and also common in japan. It is used frequently in genetic and other medical research. It is called dog salmon and chum salmon, the latter name possibly from chinook jargon for spots or writing, with reference to its body markings. (12 Dec 1998)