IUCN threat status:

Least Concern (LC)


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Range Description

Range is confined to the Harney Basin, Oregon (Page and Burr 2011). In addition to Harney Basin, Markle and Hill (2000) included the following areas in the range: Snake River basin, including Malheur River, Oregon and Idaho; lower Columbia basin (e.g., upper Willamette River system [but evidently mostly hybrids with C. hubbsi]; Gales Creek and Clatskanie River, Oregon); probably upper Columbia basin in Washington, southern British Columbia, and possibly other areas. Markle and Hill (2000) stated that further taxonomic study is needed.


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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