Carapace flat, smooth, pentagonal, with margins laminate and winglike. Shape of carapace like a maple leaf. Rostrum short and bifid. Chelipeds stout and 1st pair of walking legs much longer than others.
Carapace: male 35 x 39 mm, female 29 x 32.4 mm.
Considerable variation in colour and patterns. Carapace may be a combination of kelp brown, tan, pink, white, dove grey, light to dark brown, maroon, or red, and frequently with a broad white V medially. Chelipeds also vary in colour. Walking legs banded usually with white and tan.
Intertidal, among rocks; often encrusted with bryozoans and other such forms.
Unalaska, Alaska, to Port Arguello, Santa Cruz and Santa Rosa Islands, California; intertidal to 128 m.
Distribution In British Columbia
Only on open coast of Vancouver Island (as far east as Sooke) and Queen Charlotte Islands.
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:
2023-11-29 4:16:50 PM]
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