Rainbow trout is a fish with silvery and multicolored skin, with a red stripe running lengthways along the sides of the male fish. The delicate white flesh is sometimes tinged pink. Normally it will feed one, although farmed trout can be larger. Brown trout, with greenish brown spotted skin, white flesh and a stronger flavor, is the wild trout found in rivers, and also at fish farms.
Ocean trout is the same species as brown trout, but looks different as it goes out to sea and returns to rivers to spawn. Because it looks rather like a small salmon, with silvery skin and pink flesh, it is sometimes called salmon trout.
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