Date: Saturday, April 20, 2002
How do you determine the gender of a crayfish?
Pennak, Freshwater Invertebrates, should be available in a good library. It
says "there is no difficulty distinguishing the sexes," however, it refers
to fairly minute details. Generally males have larger chelae (claws) and
narrower abdomens. The text goes on to describe a number of detail
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Update: June 2012