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Pagurus cornutus (Benedict, 1892)
Hornyhand Hermit Crab
Family: Paguridae

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

Photograph

© Aaron Baldwin     (Photo ID #2154)

Map

E-Fauna BC Static Map

Distribution of Pagurus cornutus in British Columbia in British Columbia

Species Information

Carapace: shield subequal in length and width. Eyestalk short and stout; cornea distinctly dilated. Right cheliped stout, somewhat setose and shorter than walking legs; merus with toothed margin distally; carpus with serrate margins and a few spines dorsally; hand granulate with serrate margins, a few spines on dorsal surface and a large triangular, horn-shaped ridge with base about ½ width of palm and apex past level of base of finger. Left cheliped stout, with hand swollen on left side and a narrow spined ridge running from the middle of the base of the palm to the middle of the fixed finger which has a curved tip. 1st and 2nd waling legs setose, stout with serrate margins on carpi of 1st legs and right 2nd leg; dactyls with stiff setae on dorsal margins and movable spines on ventral margins; claw sharp.

Size

Shield length: male 18.7 mm.

Colour

Carapace: shield orange and pink with pale yellow median streak which continues to mid-posterior part of carapace; rest red with some white patches. Abdomen pink and yellow. Chelipeds: ischium red: merus orange with cream striae and spines, white marginal teeth; carpus red to orange with yellow spines; palm orange medially and pink marginally with yellow spines; fingers pink with yellow tips and white teeth. Walking legs deep and pale red; merus with pink band distally; dactyl mostly pale; claw translucent. Eyestalk orange with light spots; eyescales orange with pale borders; cornea black with silver “stars”. Antennal flagellum pale translucent orange.

Habitat


Mud or sand in deep water.

Distribution

Range

Northwestern Pacific and Bering Sea to Oregon (46°02’N, 124°43.7’W); 160 to 830 m.
Distribution In British Columbia

Queen Charlotte Sound, Dixon Entrance and off Barkley Sound.

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