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State of Washington  - Crayfish Species Checklist.

Idaho Oregon Canada

(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.  Pacifastacus gambelli CS
2 Pacifastacus leniusculus klamathensis CS
3.  Pacifastacus leniusculus leniusculus CS
4.  Pacifastacus leniusculus trowbridgii CS
5.  Procambarus clarkii


Washington 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.