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Pagurus armatus (Dana, 1851)
Black Eyed Hermit Crab
Family: Paguridae

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

Photograph

© Aaron Baldwin     (Photo ID #17341)

Map

E-Fauna BC Static Map

Distribution of Pagurus armatus in British Columbia in British Columbia

Species Information

Carapace: shield broader than long. Eyestalk relatively short and stout; cornea dilated and ovate. Right cheliped stout, shorter than walking legs; carpus and hand covered with sharp spines which are larger on margins and less dense on ventral surfaces. Left cheliped similar, but slender. 1st and 2nd walking legs stout; merus compressed laterally, with spines and denticulated ridges; carpus and propodus with dorsal margins and serrate and small spines on faces; dactyl longer than merus and twisted with upper margin serrated and ridged and lower margin with close-set corneous spines; claw sharp and stout.

Size

Shield length: male 19.6 mm.

Colour

Carapace: shield with areas of white, brown, and shell pink laterally; posterior red, apricot and white. Chelipeds: ischium with brown bands: merus pink, brown and white with an orange band distally and margins and teeth dark brown; carpus light brown, yellow, white and blue areas with dark brown spines; palm pale yellow with dark brown spines medially and red marginally with fingers white or grey-blue with white tips and teeth. 1st and 2nd walking legs have ischium yellow and white; merus opaque white, tan, orange and mahogany with scattered dark brown spots; carpus yellow with dark spines, a narrow mahogany stripe on median posterior face and a white patch distally; propodus white, yellow, orange and a brown area with a mahogany stripe ventrally; dactyl white, orange and violet-blue with dark spines and 2 narrow brown stripes; claw yellow. Green or gold iridescence on surfaces of appendages. Eyestalk with red band at base, and opaque white and brown bands; cornea black. Antennal flagellum pale yellow.

Habitat


Sand, mud, shell or gravel.

Distribution

Range

Unalaska, Alaska, to San Diego, California; intertidal to 146 m.
Distribution In British Columbia

Common in dredged material. May be taken intertidally in some areas during low night tides in winter.

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.

General References