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

Carapace: shield longer than wide. Eyestalk long; cornea not dilated; eyescales with 1 to 3 sharp-pointed marginal teeth. Right cheliped shorter than walking legs with rows of stout spines on dorsal surface of palm and fingers and serrate margins; carpus with inner margin serrate and smaller spines dorsally; merus with ventral margin serrate. Left cheliped shorter and more slender than right and fingers proportionately longer; similarly spined. Walking legs long and no serrate margins. All appendages with scattered tufts of setae.

Shield length: male 3.3 mm.

Brilliant. Shield orange and scarlet, dark red, and white spots; rest of carapace reticulated dark red with rows of small white dots. Abdomen yellow or red with blue tinges. Both chelipeds have merus and carpus dark red with patches of intense violet margined with crimson on both faces; palm orange with dark red network and white spots; fingers orange. 1st and 2nd walking legs: merus reddish orange with stripes of violet or bluish white margined with crimson on both faces; carpus, propodus and dactyl orange with similar bluish white stripes. These stripes do not completely fade when preserved and are useful diagnostically. Eyestalk translucent with scarlet bands and patches and white bases. Antennules with bands of red, white and blue.