A shore crab (Cancer antennarius) in a defensive posture.
The rock is road gravel and the mussel shells have colored clay used in a crab
Image ID: fish4601, NOAA's Fisheries Collection
Location: Washington, San Juan Islands
Photographer: Dr. Dwayne Meadows, NOAA/NMFS/OPR
Category: Fisheries Habitat/Rocky Coast/
• High Resolution Photo Available