Spines may be orange-brown and the test may be a faint pink. There is a latero-anal fasciole. Test diameter up to 8 cm.
An elusive species and unlike many heart urchins that bury themselves by slowly sinking into the sediment, this species rocks from side to side whilst excavating sand away from either side as it makes a burrow. It is occasionally washed ashore after stormy weather.
In sand burrows, below low tide in shallow waters, to depth of 13 m.
Plankton or Particles
Spines can puncture skin. Venom status unknown.
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed