How To #4: Catch Hundreds of Crayfish and Hellgrammites by Seine

Escaped cloned female mutant crayfish take over Belgian cemetery

The Unassuming Crayfish—and Its Path of Devastation

UW ecologist and citizen scientists lead the charge against invasive crayfish

Swiss army, Swiss army knife, Army

Saving California's Crayfish U.S. Fish & Wildlife Service

The Signal Crayfish Profile – Detailed Guide - Shrimp and Snail Breeder

JettProof White Calming Sensory Socks Are Now Available

Signal Crayfish (Pacifastacus leniusculus) - Species Profile

The Best Smallmouth Baits - In-Fisherman

JettProof White Calming Sensory Socks Are Now Available

Crayfish dissection Diagram