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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 ...
The largest cutthroat trout subspecies is the Lahontan cutthroat trout (O. h. henshawi). These fish average 8 to 9 in (20 to 23 cm) in small streams and 8 to 22 in (20 to 56 cm) in larger rivers and lakes. In ideal environments, the Lahontan cutthroat trout attains typical weights of 0.25 to 8 lb (0.11 to 3.63 kg). [23]
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.
Maybe a big group of them, their colors contrasted against the drab brown of the lake bottom. The fish are Lahontan cutthroat trout, a species native to the Great Basin of California, Nevada and ...
In 1970, the U.S. Fish and Wildlife Service (USFWS) listed the Lahontan cutthroat trout (LCT) as “endangered”. In 1975 it reclassified LCT as “threatened” to facilitate management and to allow regulated fishing. Genetic and meristic studies of LCT indicate that the Humboldt River Basin LCT is a unique subspecies of cutthroat trout. [20 ...
The Lahontan cutthroat trout evolved as a predator species within the waters of Lake Lahontan, feeding on native chub and sucker. This subspecies of cutthroat trout survives today in tributary rivers of the Great Basin, and has been reintroduced to Pyramid Lake and Walker Lake after being extirpated during the 20th century.
Binomial name. Chasmistes cujus. Cope, 1883. The cui-ui (Chasmistes cujus) is a large sucker fish endemic to Pyramid Lake and, prior to its desiccation in the 20th century, Winnemucca Lake in northwestern Nevada. [3] It feeds primarily on zooplankton and possibly on nanoplankton (such as algae and diatoms). The maximum size of male cui-ui is ...
Lahontan cutthroat trout (LCT) is the only trout species native to Fallen Leaf Lake, Lake Tahoe and the Truckee River Basin but were extirpated by introduction of predatory non-native lake trout (Salvelinus namaycush), other competing non-native salmonids, and overfishing. Re-introduction into Fallen Leaf Lake of the Pilot Peak strain of ...