Rainbow trout
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The rainbow trout is a species of trout native to cold-water tributaries of the Pacific Ocean in North America and Asia. The steelhead is an anadromous form of the coastal rainbow trout or Columbia Ri
Close up of rainbow trout fish underwater oncorhynchus mykiss
Two pairs of steelhead spawning in the lower reaches of Stevens Creek in Mountain View, California
Eggs in gravel and rainbow trout alevin
Typical juvenile rainbow trout showing parr marks
Oncorhynchus
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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,
Rainbow trout
…therefore had precedence. In 1989, morphological and genetic studies indicated that trout of the Pacific Basin were genetically closer to Pacific salmon (Oncorhynchus species) than to the genus Salmo (brown trout (Salmo trutta), Atlantic salmon (Salmo salar) and relatives) of the Atlantic Basin. Thus, in 1989, taxonomic…
Oncorhynchus nerka 2
Fossil jaw of the extinct Oncorhynchus lacustris
Apache trout
Lahontan cutthroat trout image USFWS