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

Carapace with granular surface, setose and uneven; antero-lateral margin cut into pointed teeth and postero-lateral with one tooth; margins meet at a distinct angle. Chelipeds setose covering rows of sharp spines; finger tips dark coloured. Walking legs setose; dactyl long and slender.

Carapace: male 49 x 58 mm, female 35 x 52 mm.

Considerable variation. Carapace yellow, tan, dark red, violet, grey, black and opaque white with varying combinations and symmetrical patterns. Chelipeds white and tan with red bands; palm yellowish and orange with violet spines; fingers white and brown with distal half black. Walking leg: meri white with two orange bands; the rest mostly red and lighter areas; claws yellow. Ventrally white.