Compare two animals

Rainbow trout

Length

0.46 to 0.61 m (steelhead normally 18 to 24 inches; reported up to 45 inches (USFWS). Resident rainbows are usually smaller)

Lifespan in the wild

up to 11 years (oldest steelhead ever captured was 11 years old (USFWS); NOAA gives up to 11 years, usually 5 to 8)

Lives in

United States, Canada, Mexico, Russia and Pacific Ocean