Carapace: shield subequal in length and width. Eyestalk stout; cornea dilated. Right cheliped longer than walking legs; surface with numerous granules of varying sizes and margins with larger granules or teeth; merus short, triangular; carpus wide and slightly convex and palm even wider than carpus, with compressed dorso-ventral area with the upper margin of palm making a curved protuberance; fixed finger short and wide at base and finger longer and narrower with strong calcareous teeth. Left cheliped slender and much smaller than right, with fewer granules and teeth; hand with dorsal surface slightly convex with elevated beaded margins on palm and fixed finger; finger with a cutting edge of a tight row of short, stout, corneous setae. 1st and 2nd walking legs short and stout, with dorsal ridge of carpus and propodus serrate; dactyl with corneous spines and a stout claw.
Shield length: male 23.4 mm.
Shield marbled with white and brown, the rest of the carapace with red, white and yellow. Right cheliped: ischium white with orange patches; merus with orange and greenish brown and 2 cobalt-blue patches, and an orange and yellow band distally and white marginal teeth; carpus greenish brown with white, orange-ringed, granules; hand light brown with light red streaks and white teeth. Left cheliped similar. 1st and 2nd walking legs: ischium orange and yellow; merus yellow with an orange streak dorsally, a large, cobalt-blue patch on each face, orange distally with red and white spines; carpus with 3 dark red stripes dorsally, a white stripe medially and yellow ventrally; propodus with 2 red stripes composed of a row of red spots, opaque white patch medially; dactyl cream with rows of dark red spots. Eyestalk; orange brown bands; cornea grey-green. Antennal flagellum orange to red-brown.
Mud, sand, gravel, shell or mixture of these.
Northwestern Pacific Ocean, Aleutian Islands, Alaska, to Puget Sound, Washington; intertidal to 388 m.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2019. 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:
2020-02-26 3:32:45 PM]
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