E-Fauna Photo Gallery

Pacifastacus leniusculus  (Signal Crayfish)

Photo of Pacifastacus leniusculus by Ian Gardiner
© 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)
UTM Zone # Latitude
UTM Easting Longitude
UTM Northing Photo ID # 84996
Notes 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.


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