The lithode crab is named for the stiff dark red-brown, orange, and white hairs covering its body and legs. It has a heart or pear-shaped carapace covered in hairs that is flat on top widest past the midpoint.
Its eyes have orange corneas with a black dot atop small light brown eye-stalks with dark brown stripes. The claws are orange and the right claw is usually larger than the left one, and it has molar-like teeth on its claws.
Habitat
Intertidal to depths of 165m on sandy, muddy, or rocky substrate; often found on vertical rock walls
Diet
Shrimp
Life History
This crab starts life in the plankton, passing through 4 zoeal stages and 1 megalops stage before settling to the bottom.
Males tend to be slightly larger. The carapace on males can reach 6.5cm across while the carapace of females can reach 5cm.
E-Fauna BC site: https://linnet.geog.ubc.ca/efauna/Atlas/Atlas.aspx?sciname=Acantholithodes%20hispidus
Invertebrates of the Salish Sea website: https://inverts.wallawalla.edu/Arthropoda/Crustacea/Malacostraca/Eumalacostraca/Eucarida/Decapoda/Anomura/Family_Lithodidae/Acantholithodes_hispidus.html
Hong, Sung Yun, et al. “Larval development of Acantholithodes hispidus (Stimpson)(Decapoda: Anomura: Lithodidae) reared in the laboratory.” Invertebrate reproduction & development 47.2 (2005): 101-110.
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