Carapace with granules anteriorly, posterior area striated, and few, if any, setae. Chelipeds large and flat; carpus about twice as long as wide, with small rough granules, a median longitudinal crest and a serrate outer margin ending in a tooth distally. Large tuft of dense pubescence at base of finger. Walking legs with fine plumose and non-plumose setae scattered on surface in tufts. Male with a pair of gonopods on 2nd abdominal segment. Female with uniramous paired pleopods on segments 4 and 5.
Carapace: male 19 x 19 mm, female 19 x 19 mm.
Granules on carapace red-brown or white (giving a pebbled appearance) with blue tinges in the grooves and a blue and white “comma” on either side of cardiac region. Chelipeds with dark and light red granules with orange areas and blue-white patches at junctions of segments. Walking legs mahogany brown with 2 patches of yellow on merus, none on carpus, and a red and a yellow band proximally and a yellow distally on propodus with red, brown and yellow on dactyl and a dark brown claw. Abdomen red-brown and blue. Antennal flagellum greyish green. Outer maxillipeds red, brown and blue, with both surfaces of last 2 articles bright blue.
Intertidal, under rocks.
Klokachef Island, Chichagof Island (57°25’N, 135°52’W), Alaska, to La Jolla, California; intertidal to 86 m.
Distribution In British Columbia
Common, but possibly less abundant where in competition with P. cinctipes on outer coasts.
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:
2022-05-18 11:06:01 PM]
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