Pacifastacus leniusculus  (Signal Crayfish)

© Ian Gardiner (Photo ID #84996)

Photographer's Submitted Details

Photo Location	Columbia River, Trail, BC
Photographer	Ian Gardiner
Habitat	Boulders/sand
Photo Date
Upload Date	October 23, 2015
Elevation (m)
Latitude
Longitude
Photo ID #	84996
Comments	Male ventral view, showing right and left pereiopods 1(partly) to 5 (top to bottom). The absence of hooks on the ischia of any of these pereiopods 2 to 5 indicates genus Pacifastacus. Preserved specimen. Collected 20 Oct 2015.