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.
Subtidal mudflats, intertidal rocky shore, to depths over 500 m.
Not harmful but a nip from claws could be painful.
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed