Rainbow Trout / Steelhead Trout
Oncorhynchus mykiss
Family: Salmonidae
Etymology: Onco = bent; rhynchus = nose or snout; mykiss = Russian word for trout
Steelhead Trout are the anadromous form of Rainbow Trout.
Research on Steelhead done by Sac State researchers
Bajjaliya, F.S., Titus, R.G. Ferreira, J.R. and R.M. Coleman (2014) Morphometric variation among four distinct population segments of California steelhead trout. California Fish and Game 100:703-726. pdf