Carapace with hepatic area less expanded than P. gracilis and marginal projections narrower. No sharp ridges on merus of cheliped. Ischium and palp of outer maxilliped smooth.
Carapace: male 48.7 x 32.6 mm, female 33 x 26.5 mm.
Carapace purplish red with violet patches and white knobs. Chelipeds purplish red, yellow and white, particularly ventrally; palm with inner face pale brown and white; outer purple-brown and white; fingers pale violet with red streaks; teeth white. Walking legs red-brown, with a dirty white band medially on each segment; ventrally mostly white and violet. Antennules and antennae violet, white and brown. Eyestalk violet and white; cornea black with gold flecks.
Common intertidally on open coast amongst algae and eelgrass. Often decorated with coralline algae, bryozoans, etc.
Prince of Wales Island (54°43’N, 132°17’W), Alaska, to San Geronimo Island, Mexico; intertidal to 97 m.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2021. E-Fauna BC:
Electronic Atlas of the Fauna of British Columbia [efauna.bc.ca]. Lab
for Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2022-09-24 9:33:50 AM]
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