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More info on Oncorhynchus clarki clarki f. crescentii

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Lake Crescent cutthroat trout
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Oncorhynchus
Species: O. clarki
Subspecies: O. c. clarki (but see text)

Oncorhynchus clarki clarki f. crescentii


Oncorhynchus clarki crescentii (but see text)

Crescenti cutthroat trout (a hypercorrection) or Lake Crescent cutthroat trout (a more literal translation of the scientific name Oncorhynchus clarki clarki f. crescentii) is a local form (f. loc.) of Coastal cutthroat trout isolated in Lake Crescent in Washington and is not currently recognized as an official subspecies (Behnke 1992). However the cutthroat trout of Lake Crescent do remain distinct, with the highest known gill raker and vertebrae counts of any coastal cutthroat population. The cutthroat are believed to have been isolated in Lake Crescent after a landslide blocked the eastern outflow of the lake.

Before the introduction of non-native trout to the lake, these fish co-existed with the lake's population of coastal rainbow trout known as Beardslee trout. The cutthroat mostly used the lake's inlet stream Barnes Creek for spawning, while the rainbow trout used the Lyre River for spawning. However in the early 1980's a small cutthroat population was found in the Lyre River that spawns further downstream than the native rainbow trout. Today the cutthroat of Barnes Creek have been hybridized with introduced rainbow into cutbows, but Crescenti cutthroat trout persist in the Lyre River as a genetically pure population (Behnke 1992). A Crescenti cutthroat caught in 1961 set the state record for cutthroats at 32 inches (81 cm) and 12 pounds (5.4 kg).[1][2]


  1. ^ Trotter, Patrick C. Cutthroat: Native trout of the West, Colorado Associated University Press, 1987, p. 45-47.
  2. ^ Behnke, Robert J. Native Trout of Western North America, American Fisheries Society; Monograph 6, 1992 p. 65-69.


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