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Rhinolithodes wosnessenskii Brandt, 1849
Rhinoceros Crab
Family: Lithodidae

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

Photograph

© Derek Holzapfel     (Photo ID #14898)

Map

E-Fauna BC Static Map

Distribution of Rhinolithodes wosnessenskii in British Columbia in British Columbia

Species Information

Carapace triangular with scattered granules and a deep semicircular depression surrounding a smooth rounded cardiac area; lateral margins are cut into triangular teeth. Rostrum short and blunt with lateral margins with upturned spined horn ventrally. Eyestalk long and slender, dorsally spined; cornea small. Acicle of antenna elongate and armed with long sharp spines. Chelipeds and walking legs subequal in length, covered with spines and long curved bristles and a membrane which swells on the distal half and under magnification looks like the finger of a glove. Fingers not spined. Dactyls of walking legs short with movable spines ventrally and a sharp, curved claw. Abdomen composed of close-fitting plates, covered with small granules and spines on margins.

Size

Carapace: male 59 x 64 mm, female 50 x 57 mm.

Colour

Carapace light brown with base of rostrum orange, depressed area orange and white, granules white, light brown or maroon and lateral teeth white. Chelipeds white with orange, maroon and reddish brown patches with grey-green spines covered with dark red, fading to light brown, setae; hands grey with pink to white fingers with black tips. Walking legs white with maroon and grey spots, grey spines and reddish setae; propodus with proximal white band; dactyl dark to pale grey; claw black. Eyestalk pale brown with four stripes of dark brown; cornea grey-black. Antennal acicle with fine maroon stripes; flagellum brown. Abdomen brown, white and orange.

Habitat


Subtidal; on rocky or gravel bottoms.

Distribution

Range

Kodiak, Alaska, to Crescent City, California; from 6 to 73 m.
Distribution In British Columbia

Widespread but relatively rarely collected.

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