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

Pagurus setosus (Benedict, 1892)
Setose 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 #2196)

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

Species Information

Carapace: shield subequal in length and width. Eyestalk stout, with cornea little dilated. Right cheliped setose, shorter than walking legs; merus with a few tufts of long setae; carpus with tufts of long setae encircling the large, curved corneous spines on inner margin; hand dorsally slightly convex with many spines ranging in size from minute to large, setose; fingers wide. Left cheliped similar but slender and almost as long as right. 1st and 2nd walking legs with tufts of long setae on margins, with only the dorsal margin of the carpus of right 1st leg serrate; dactyl longer than propodus, with stout movable spines ventrally; claw strong.

Size

Shield length: male 13.1 mm.

Colour

Carapace mottled red, white and brown. Abdomen red and white marbled and with white dots. Chelipeds: ischium pink; merus pink with red and white dots medially; carpus pink with proximal and medial red bands and opaque white dots; palm pink with a few red flecks; fingers orange with white calcareous and brown corneous teeth. Mud-coloured setae obscure much of the colour. Walking legs: ischium pink; merus mottled light and dark red, distally banded and with scattered white dots; carpus bands of red and white, or mottled red and white; propodus with narrow bands of mottled red, of wide bands of white, and of red mottled and of narrow white bands; dactyl yellow to red with small white dots medially; claw brown. Eyestalk red, white and tan with translucent dots; cornea black with gold flecks. Antennal flagellum translucent yellow.

Habitat


Rocks, mud or sand.

Distribution

Range

Kodiak, Alaska, to off Santa Cruz Island, California; from 9 to 487 m.
Distribution In British Columbia

Widespread but not in great numbers.

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)
COSEWIC
UnlistedUnlistedUnlistedUnlisted
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 9:48:28 AM]
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