Trout are closely related to salmon and char (or charr): species termed salmon and char occur in the same genera as do fish called trout (Oncorhynchus – Pacific salmon and trout, Salmo – Atlantic salmon and various trout, Salvelinus – char and trout).
Trout berhubungan erat dengan Salmon dan char (atau charr): spesies disebut salmon dan char terjadi pada genera yang sama seperti halnya trout (Oncorhynchus - Pacific salmon dan trout, Salmo - Atlantic salmon dan berbagai ikan, Salvelinus - char dan trout).