The spines are very short and may be various shades of brown. Shape may vary from very flat to quite high and dome-shaped. Test diameter up to 14 cm.
This species extracts edible matter for its diet from the sand in which it buries. Deeper water specimens are much more fragile than shallower water ones from more northern areas. They are uncommon in Victoria, and usually encountered off far eastern waters of the state at depth of 40m.
Buried beneath a thin layer of sand, to depths greater than 160 m.
South-west Pacific and eastern Australia.
Plankton or Particles
Spines can puncture skin. Venom status unknown.
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed