They ranged from Alaska to Mexico, including British Columbia, Washington, California, Oregon, Nevada, and Idaho. In North America, Rainbow trout were native only to the lakes and rivers west of the Rocky Mountains. Rainbows and Yellowstone cutthroat trout are the only two species of Pacific trout.
Rainbows are native in the North Pacific Ocean and associated drainages from the Amur River in eastern Asia, northeastern Russia, and along the Pacific slope of North America from Alaska down to northern Mexico. Many anglers consider this trout species to be the most essential sport fish west of the Rocky Mountains. Rainbow trout are prevalent among anglers and are in the top five sport fishes in North America. Rainbow trout are often called redband trout in areas east of the Cascade mountains in the United States and the upper FraserRiver of British Columbia. The main subspecies of rainbows are Golden Trout and Redband Trout, which have populations naturally living in specific rivers in the Pacific States and Midwest of the United States, and are stocked outside of those areas. They currently are found all over the world, similar to the salmon’s existence. The other main species of freshwater trout are brook trout, brown trout, cutthroat trout, and lake trout. Different freshwater trout species live in every continent except Antarctica but are most common in America and Europe. The rainbow trout, scientific name Oncorhynchus mykiss, is native to the North Pacific Ocean with the cutthroat trout. This family includes trout, salmon, chars, graylings, and freshwater whitefishes, and graylings. Salmonidae is a family of ray-finned fish and the only living family currently placed in the order Salmoniformes. This trout species is a Salmonidae it’s adronomous and can osmo-regulate to thrive in both fresh and saltwater. They are coldwater fish often associated with healthy, clear mountain stream habitats and distinguishable by their black spots and reddish band on both sides. Rainbow trout (Oncorhynchus mykiss) is a colorful North American Salmonidae and a popular freshwater gamefish in the salmon family.
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