E-Fauna Photo Gallery

Pacifastacus leniusculus  (Signal Crayfish)

Photo of Pacifastacus leniusculus by Ian Gardiner
© Ian Gardiner (Photo ID #84994)

Photographer's Submitted Details

Photo Location Columbia River, Trail, BC Photographer Ian Gardiner
Habitat Boulders/sand
Photo Date October 20, 2015 Upload Date October 23, 2015
Elevation (m)
UTM Zone # Latitude 49.1016944444444
UTM Easting Longitude -117.70975
UTM Northing Photo ID # 84994
Notes Male. This specimen exhibits characteristics of subspecies klamathensis. Such characteristics visible in this image are 1) elongated chelae, 2) absence of the whitish spot (the 'signal') at the joint of the chelae. Location coordinates have been offset by up to 5km.

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