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

Carapace surface relatively smooth with a few small granules on flat elevations. Chelipeds stout with smooth surfaces; carpus may be slightly rugose. Walking legs stout with slight crest on dorsal margin of carpus. Some scattered setae and areas of short dense pubescence.

Carapace: male 23 x 34.2 mm, female 15 x 22 mm.

Variable. Carapace and chelipeds a mixture of various shades of brown, violet, purple, grey and white; fingers black with white teeth and sometimes with pink tips. Walking legs may appear to be somewhat banded with dark and light colouring. Ventrally light coloured. Peduncle of antennules banded light and dark. Eyestalk brown and white; cornea black.