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:
2022-01-26 11:30:39 AM]
The information contained in an
E-Fauna BC atlas pages is derived from expert sources as cited (with permission) in each section.
This information is scientifically based. E-Fauna BC also acts as a
portal to other sites via deep links. As always, users should refer to
the original sources for complete information. E-Fauna BC is not
responsible for the accuracy or completeness of the original information.