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The Beardslee trout (Oncorhynchus mykiss irideus f. beardsleei) is a local form of rainbow trout endemic to Lake Crescent in the Pacific north-western US state of Washington. Some sources treat them as a subspecies. Known to locals as "bluebacks", Beardslee trout are found nowhere else, and spawn in the Lyre River, near the
In pre-spawning Salmo and Salvelinus males, the lower jaw elongates and the hook develops; female salmon do not develop a kype. [3] Bull trout ( Salvelinus confluentus ) are adfluvial (adults spawn in streams but subadults and adults migrate to lakes for feeding) and sometimes develop a kype, however, although this may occur in some populations ...
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 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 ...
Rainbow trout (Oncorhynchus mykiss), native to Pacific Ocean tributaries in North American and Asia was first introduced into the Gibbon River, above and below Gibbon Falls in 1890. In 1923, Rainbow trout were introduced into the Firehole River above Firehole Falls. Rainbow trout have also been introduced into a number of Yellowstone lakes.
Depiction of Eagle Lake rainbow trout. Eagle Lake rainbow trout naturally spawn in Pine Creek which runs into Eagle Lake. The young trout spend the first one to two years of their life in the upper regions of the stream before swimming down into Eagle Lake. The natural environment of this tributary is shaded and gravelly. This natural spawning ...
The rainbow smelt (Osmerus mordax) is a North American species of fish of the family Osmeridae. Walleye, trout, and other larger fish prey on these smelt.The rainbow smelt prefer juvenile ciscoes, zooplankton such as calanoid copepods (Leptodiaptomus ashlandi, L. minutus, L. sicilis), and other small organisms, but are aggressive and will eat almost any fish they find.