Back to State Map ! State of Oregon - Crayfish Species Checklist.

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(KEY: E= Endangered; E*= Endangered, Possibly Extinct; T= Threatened; SC= Special Concern; CS = Currently Stable.  Parentheses ( ) around the status indicate possible or known introductions and a () indicates a species complex currently under investigation).


1.  Orconectes neglectus neglectus (CS)
2.  Pacifastacus chenoderma (fossil) *Extinct*
3.  Pacifastacus connectens


4.  Pacifastacus gambelli CS
5.  Pacifastacus leniusculus klamathensis CS
6.  Pacifastacus leniusculus leniusculus CS
7.  Pacifastacus leniusculus trowbridgii CS
8.  Procambarus clarkii (CS)

Oregon Department of Fish & Wildlife


Miller, G.C. 1960.  The taxonomy and certain biological aspects of the crayfish of Oregon and Washington.  Master's Thesis.  Oregon State College, Corvallis.

Last Updated:  08 January 2019
James W. Fetzner Jr.