Six smooth side plates around the body with a diamond shape opening. White or with pink-brown stripes radiating from the opening to the edge. Plates in the opening (scuta) have growth lines. Up to 1 cm high, 2 cm wide.
This is a common fouling species, attaching to rocks, pier piles, shells, crabs and ships.
Estuaries and sheltered bays, near low tide level, to depth of 9 m.
Worldwide. Southern Australia.
Plankton or Particles
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed