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

Pagurus aleuticus (Benedict, 1892)
Aleutian Hermit Crab
Family: Paguridae

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

© Aaron Baldwin  Email the photographer   (Photo ID #2192)

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

Species Information

Carapace: shield subequal in length and width. Eyestalks relatively short and stout, with cornea dilated and ovate. Right cheliped stout, shorter than walking legs and with carpus and hand covered with spines and granules, outer margins serrate. Most of the spines are bifid (2 sharp points). Left cheliped slender. 1st and 2nd walking legs with serrate margins and dorsal rows of spines; dactyl long, stout and twisted with a longitudinal sulcus and with a row of close-set corneous spines ventrally and terminating in stout claw.


Shield length: male 28.1 mm.


Carapace: shield red or brown with paler network; lateral yellowish with red dots; posterior red and yellow. Abdomen pink and yellow. Chelipeds pink, red or orange with red spines and some iridescence. 1st and 2nd walking legs iridescent pink with maroon streaks and dark spines; dactyl orange with a red stripe on outer face and dorsal groove dark red. Eyestalk white and tan; cornea black and greenish yellow. Antennal flagellum orange or tan.


Mud and/or sand bottom.



Northwestern Pacific from the Bering Sea to Eureka, California, (40°41’N, 127°31.7’W); from 15 to 435 m.
Distribution In British Columbia

Widespread in suitable areas and usually below 70 m.

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: 2022-09-28 1:35:51 AM]
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© E-Fauna BC 2021: An initiative of the Spatial Data Lab, Department of Geography, UBC