Definitions for rainbow trout
Random House Webster's College Dictionary
a plump trout, Salmo gairdneri, native to W North American streams, having vertical reddish stripes on a black-speckled, green-to-turquoise body.
Origin of rainbow trout:
flesh of Pacific trout that migrate from salt to fresh water
rainbow trout, Salmo gairdneri(noun)
found in Pacific coastal waters and streams from lower California to Alaska
A species of trout, Salmo gairdneri, that has black spots and a pink streak running along the body.
The rainbow trout is a species of salmonid native to tributaries of the Pacific Ocean in Asia and North America. The steelhead is a sea-run rainbow trout usually returning to freshwater to spawn after two to three years at sea; rainbow trout and steelhead trout are the same species. Several other fish in the salmonid family are called trout; some are anadromous like salmon, whereas others are resident in freshwater only. The species has been introduced for food or sport to at least 45 countries, and every continent except Antarctica. In some locations, such as Southern Europe, Australia and South America, they have negatively impacted upland native fish species, either by eating them, outcompeting them, transmitting contagious diseases, or hybridization with closely related species and subspecies that are native to western North America.
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