Shasta crayfish, Pacifastacus fortis, typical and blue color morphs. Crayfish at the top is a female and the crayfish at the bottom is a male.
Shasta crayfish, Pacifastacus fortis, typical and blue color morphs. Crayfish at the top is a female and the crayfish at the bottom is a male.

Return To Previous Page

 

© 2002-2003 Spring Rivers Ecological Sciences. All rights reserved.
Site developed by Tech Visioneer.