Carapace surface relatively flat and slightly convex anteriorly with a median H-shaped depression. Chelipeds smooth, stout; fingers long and irregularly toothed. Walking legs somewhat flattened, smooth stout and naked.
Carapace: male 48 x 56.2 mm, female 28 x 34 mm.
Variable, especially in small individuals. Large males usually dark purplish red on the surface of the carapace and with pink or yellow granules in a symmetrical pattern of spots; narrow margins reddish with pale violet granules and yellowish streak posteriorly. Chelipeds reddish with purple splotches; palm violet with reddish spots; fingers violet to white and yellow ventrally, and pubescence pale brown. Walking legs dark purple with some red and yellow patches on joints; claw tan. Ventrally lighter. Eyestalk white, red and brown; cornea black. Occasionally one finds an olive green and yellow male.
Upper intertidal, under rocks and gravel.
Yakobi Island (57°57’N, 135°23’W), Lisianski Strait, Alaska, to Turtle Bay, Mexico; intertidal.
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:
2022-05-23 11:50:16 AM]
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