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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 ...
A Cutbow (Oncorhynchus clarki x mykiss) is a fertile hybrid between a rainbow trout (Oncorhynchus mykiss) and a cutthroat trout (O. clarki). While cutbow hybrids may occur naturally, most native populations of rainbows and cutthroats were separated by geography or habitat.
This hybrid generally bears similar coloration and overall appearance to the cutthroat trout, usually retaining the characteristic orange-red slash. Cutbow hybrids often pose a taxonomic difficulty when trying to distinguish any given specimen as a rainbow or cutthroat trout. [64]
Cutthroat trout naturally interbreed with the closely related rainbow trout, producing fertile hybrids commonly called "cutbows" although this is a much rarer occurrence with the coastal cutthroat trout because of reproductive isolation as the coastal cutthroat trout is the only cutthroat subspecies to coevolve through its entire range with the ...
While fine-spotted x rainbow trout crosses are observed in the South Fork of the Snake River in Idaho, they are infrequently encountered and appear to be hatchery hybrids. Conversely, Yellowstone x rainbow crosses are common; the "cutbows" of Yellowstone Park in the Lamar River drainage are natural hybrids.
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 ...
Sunday’s final race of the 2024 season in Abu Dhabi brings the curtain down on the most successful driver-team partnership in the history of Formula One, as Hamilton takes to the track for the ...
All other fish, including identifiable cutthroat/rainbow hybrids, must be killed. Many fish can easily be identified as rainbows or hybrids and they must be killed. Other cases can be more difficult. If in doubt then look at the anal and pectoral fins. If the fish is a hybrid, or a rainbow, the tips are white.