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The rainbow trout (Oncorhynchus mykiss) is a species of trout native to cold-water tributaries of the Pacific Ocean in North America and Asia. The steelhead (sometimes called steelhead trout) is an anadromous (sea-run) form of the coastal rainbow trout (O. m. irideus) or Columbia River redband trout (O. m. gairdneri) that usually returns to freshwater to spawn after living two to three years ...
The cutbow (Oncorhynchus clarkii × mykiss) is an interspecific fertile hybrid between rainbow trout (Oncorhynchus mykiss) and cutthroat trout (O. clarkii).While natural separation of spawning habitat limited hybridization in most native populations of rainbow and cutthroat trout, introduction of non-native hatchery-raised rainbow trout into native cutthroat trout range increased hybridization ...
The long-term persistence of redband trout depends on continued and strategic conservation efforts," said Mike Hensler, the state wildlife agency's regional fisheries manager, in a statement ...
The Athabasca rainbow trout is primarily found in the cold headwaters of the Athabasca drainage in Alberta, Canada. [1][2] The Athabasca rainbow trout is one of the few native rainbow trout populations found in an Arctic Ocean watershed. [3] The Athabasca River is a tributary of the Mackenzie River system which flows north into the Arctic Ocean.
The redband trout are generally similar in appearance to the coastal rainbow trout (O. m. irideus) but have larger, more rounded spots, parr marks that tend to remain into adulthood, are more orange-red around the lateral line and have very distinct white tips on the anal, dorsal and pectoral fins.
The Kern River rainbow trout is one of three subspecies of O. mykiss that are all endemic to the Kern River basin, sharing the headwaters of the river with the Little Kern golden trout and golden trout. Some of the existing range of the Kern River rainbow trout lies within the California Golden Trout Wilderness. [5]
Baja California rainbow trout. The Baja California rainbow trout or San Pedro Martir trout or Nelson's trout ( Oncorhynchus mykiss nelsoni) is a localized subspecies of the rainbow trout ( Oncorhynchus mykiss ), a freshwater fish in the family Salmonidae . Baja California rainbow trout is one of many species of Mexican native trout .
Steelhead in 1924 illustration using the original taxonomic name, Salmo gairdneri The freshwater form of the steelhead is the rainbow trout (Oncorhynchus mykiss).The difference between these forms of the species is that steelhead migrate to the ocean and return to freshwater tributaries to spawn, whereas non-anadromous rainbow trout do not leave freshwater.