invasive signal crayfish at Kodiak Refuge

Photo By/Credit
Lisa Hupp/USFWS
Date Shot/Created
Media Usage Rights/License
Public Domain
A gravid female signal crayfish from Kodiak National Wildlife Refuge’s Buskin River waves her claws. Note the distinctive white patches (signal) at the claw joint.
Recreational Activity
Subject tags
Aquatic animals
Aquatic environment
Invasive species
Wildlife refuges