Crabs of Christmas Island

A small-sized crab characterized by a carapace with many grooves and the grooved outer faces of the claws. Attains a carapace width of 20 mm. Variable in color ranging from off-white mottled with dark sage green, brown and black with light olive markings. Banded legs. Lower sections of walking legs have stiff spines and bristles.

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Common at the water’s edge and lives along rocky intertidal shores exposed to the ocean.