No hairs on front claws, about 1.5" across carapace. Found in the very low intertidal (-1.3) under cobble.

ID as per "Crabs and Shrimps of the Pacific Coast,' p. 31 (type locality Monterey). Also: http://biology.fullerton.edu/biol317/im/s13/ft_s13_smc_2_22_13/smc_2_22_13-15.html