Oncorhynchus is a genus of ray-finned fish in the subfamily Salmoninae of the family Salmonidae, native to coldwater tributaries of the North Pacific basin. The genus contains sixteen extant species,
Fossil jaw of the extinct Oncorhynchus lacustris
Lahontan cutthroat trout image USFWS
The Chinook salmon is the largest and most valuable species of Pacific salmon. Its common name is derived from the Chinookan peoples. Other vernacular names for the species include king salmon, quinna
A male Chinook in his spawning phase
Chinook salmon tail, showing distinctive combination of black spots and silver
Ocean-caught Chinook salmon