General Description

Carapace circular with the front extended on a short neck. Triangular spine on rear of carapace. Up to 2 cm wide (carapace).


Smooth Nut Crabs mainly live on submerged mudflat areas, but they sometimes find shelter on intertidal rocky shores and in water hundreds of meters deep.


Southern Australia.


Subtidal mudflats, intertidal rocky shore, to depths over 500 m.

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