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

Pugettia richii Dana, 1851
Cryptic Kelp Crab
Family: Majidae

Species account author: Josephine Hart.
Extracted from Crabs and their relatives of British Columbia.
Photo of species

© Aaron Baldwin  Email the photographer   (Photo ID #2115)

E-Fauna BC Static Map
Distribution of Pugettia richii in British Columbia
Details about map content are available here.

Species Information

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.
Distribution In British Columbia

Outer coasts.

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)
BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia.

Additional Photo Sources

General References

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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© E-Fauna BC 2021: An initiative of the Spatial Data Lab, Department of Geography, UBC