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The following list of known freshwater fish species, subspecies, and hybrids occurring in the U.S. state of Idaho is taken from Wydoski and Whitney (2003). Some scientific names have been updated or corrected. Asterisks denote introduced fishes. The list includes several anadromous species.
Southern Appalachian brook trout (cold water game fish) Salvelinus fontinalis: 2006 [14] [15] Red drum (salt-water fish) Sciaenops ocellatus: 2006 [16] [17] Hawaii: Humuhumunukunukuāpuaʻa: Rhinecanthus rectangulus: 2006 [18] Idaho: Cutthroat trout: Oncorhynchus clarkii: 1990 [19] Illinois: Bluegill: Lepomis macrochirus: 1986 [20] Iowa: none ...
The cutthroat trout is the state fish of Idaho, Montana and Wyoming, while particular subspecies of cutthroat are the state fish of Colorado, Nevada, New Mexico and Utah. Idaho [112] Montana [113] and Wyoming [114] –Cutthroat trout (O. clarki) Colorado–Greenback cutthroat trout (O. v. stomias) Nevada [115] –Lahontan cutthroat trout (O. h ...
The Columbia River redband trout, [1] the inland redband trout [2] or the interior redband trout [1] (Oncorhynchus mykiss gairdneri) is one of three redband trout subspecies of the rainbow trout in the family Salmonidae. [3] It is native in the Columbia River and its tributaries in Idaho, Oregon, Washington and Montana.
The redband trout subspecies find their ideal habitat in clean, cool, relatively small and low gradient streams, but are capable of enduring higher water temperatures (75–80 °F; 24–27 °C) than other trout that may co-habit the same streams. As with other trout, they feed on insects, crustaceans and forage fish, depending on their size.
Historically, cutthroat trout was considered one species (Oncorhynchus clarkii).[2] [9] However, recent genetic, taxonomic, and geologic [10] evidence has determined that cutthroat trout should be divided into four species, with each (except for the coastal cutthroat) having multiple subspecies corresponding to the evolutionary lineages [11] found within major river basins.
Analysis by Robert Benhke, Eric Wagner, and Steve Culver proved the species to be a presumably introduced population of Sunapee trout. Later research found reports of a trout egg trade between the Idaho and the New Hampshire Fish and Game departments. [4] They are reportedly found in two Idaho bodies of water, Alice and Sawtooth Lakes.
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.