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The greenback cutthroat's maximum size is 18 inches (46 cm). It has the largest spots of all cutthroats and is reported to have the most brilliant spawning coloration. Like all cutthroats, it has red coloration in the area of the lower jaw and throat. Historically, it has been reported to grow as large as 4.5 kilograms (9.9 lb).
San Juan cutthroat trout: Greenback cutthroat trout O. v. stomias (threatened) Native to the South Platte River basin, though also considered native to the Arkansas basin at one time. [35] [51] [36] It was considered extinct by the 1930s, until a population was discovered in Rocky Mountain National Park in 1957. This led to extensive progress ...
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.
The coastal cutthroat trout (Oncorhynchus clarkii clarkii), also known as the sea-run cutthroat trout, blue-back trout or harvest trout, is one of the four species [3][4] of cutthroat trout found in Western North America. The coastal cutthroat trout occurs in four distinct forms. A semi- anadromous or sea-run form is the most well known.
Colorado Parks and Wildlife. Biologists are on a quest to find a “zombie fish” in Colorado. The Yellowfin cutthroat trout was a fish that once grew up to 12 pounds and fed on other fish. But ...
The Lahontan cutthroat is native to the drainages of the Truckee River, Humboldt River, Carson River, Walker River, Quinn River, and several smaller rivers in the Great Basin of North America. [6] These were tributaries of ancient and massive Lake Lahontan during the ice ages until the lake shrank to remnants such as Pyramid Lake and Walker ...
A. Starker Leopold [ 1] Other academic advisors. Paul R. Needham. Dr. Robert J. Behnke (December 30, 1929 – September 13, 2013) was an American fisheries biologist and conservationist who was recognized as a world authority on the classification of salmonid fishes. [ 3] He was popularly known as "Dr. Trout" or "The Trout Doctor". [ 4]
The Rio Grande cutthroat trout (Oncorhynchus virginalis virginalis) [2], a member of the family Salmonidae, is found in northern New Mexico and southern Colorado in tributaries of the Rio Grande. [3][4] It is one of 9 subspecies [2] of the Rocky Mountain cutthroat trout [2][5][6][7] native to the western United States, and is the state fish of ...