E-Fauna BC: Electronic Atlas of the Wildlife of British Columbia

Carapace slightly wider than long with spines on anterior lateral margins; branchial areas slightly dilated but surface relatively flat with granular knobs forming a symmetrical pattern. Chelipeds short with small spines and granules; palm swollen and elongate; fingers with cutting surfaces of many small sharp teeth. Walking legs with merus inflated and margins with many small spines; carpus also spined.

Carapace: male 121 x 139.4 mm, female 74 x 81 mm.

Carapace greenish-brown with red granules and lateral spines orange, shell-pink and cream ventrally. Chelipeds with gold iridescence, pinkish brown dorsally with maroon spines; ventrally pink; fingers white with red stripes and orange at base. Walking legs brown, white, shell-pink and orange with red stripes dorsally; dactyls reddish. Eyestalk mud-brown and pink; cornea reddish with black pigment.