A photo of a Rainbow Trout

About Rainbow Trout

The rainbow trout has many small spots scattered across its back, sides, head, and caudal fin. The back is brassy green flecked with iridescent purple and green; the venter is white or gray. A wide pink, purple, or red band marks the sides. The body form is spindle-shaped, and the mouth is terminal and large. No fins have spines. A fleshy adipose fin is present between the caudal and dorsal fins. Scales are cycloid, very small, and embedded under a thick mucus coat. Adult size 9 to 29 inches.

Common Names


Start a conversation

Add more information about this species includes tips, techniques and catches.

Already have an account? Sign in

*Used to locate nearby fishing activity

By signing up with Fishidy you accept the User Terms and Privacy Policy.