Scleroplax is a genus of crabs in the family Pinnotheridae.

Species of the genus Scleroplax live as a commensal of various burrowing animals including the mud shrimp Neotrypaea californiensis, N. gigas, Upogebia pugettensis and U. macginiteorum,[1] and the echiuran worm Urechis caupo (known as the "fat innkeeper"),[2] and occurs from Vancouver Island, British Columbia to Punta Abreojos, Mulegé, Baja California Sur, Mexico.

[1]

This Eubrachyura article is a stub.

You can help Wikipedia by expanding it.