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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 ...
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.
The Athabasca rainbow trout used to be considered a "May be at risk" species [4] in Alberta due to potential habitat loss and hybridization with introduced rainbow trout". [1] As of August 2019 it is designated under the Species At Risk Act (SARA) as Endangered. [2]
Jul. 16—Most rainbow trout swimming in Montana's waters are not native to the state — with the singular exception of the redband trout in the Kootenai drainage. While common throughout most of ...
In 1877, the second California rainbow trout hatchery and the first federal fish hatchery in the National Fish Hatchery System, was established on Campbell Creek, a McCloud River tributary. [3] The McCloud River hatchery indiscriminately mixed coastal rainbow trout (O. m. irideus) eggs with the eggs of local McCloud River redband trout (O. m ...
"Rainbow trout love cold water and can be caught on a variety of baits and lures (worms, commercially available pastes, corn, spinners, spoons, flies and more), and are great to take home and eat.
Other threats include competition with non-native brown trout and rainbow trout, predation by brown trout, habitat degradation from cattle grazing, and possibly expanding beaver populations in the native range. [14] Genetic studies showed hybridization with stocked rainbow trout in almost all known wild populations analyzed to as of 2003. [14]
The Kern River rainbow trout is a "Species of Special Concern" in the state of California due to habitat loss and hybridization with other native and non-native trout in their range. [ 4 ] 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 ...