Pacifastacus nigrescens
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| Pacifastacus nigrescens | ||||||||||||||||
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| Pacifastacus nigrescens (Stimpson, 1857) |
Pacifastacus nigrescens, Sooty crayfish, is a species of crayfish in the family Astacidae. It is endemic to the United States.
This crayfish is believed to be near extinction due to the expanding range of Pacifastacus leniusculus, Signal crayfish.
[edit] Source
- American Fisheries Society Endangered Species Committee 1996. Pacifastacus nigrescens. 2006 IUCN Red List of Threatened Species. Downloaded on 10 August 2007.
[edit] External links
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