Six green to white side plates, often eroded or encrusted with algae growth. Inner surface of plates blue. Up to 6 cm high, 3 cm wide.
This is the largest acorn barnacle species in Australia. They usually attach to rocks, but sometimes live on abalone, chitons and the hulls of ships.
Exposed rocky shore, near low tide level, to depth of 9 m.
New Zealand and southern Australia.
Plankton or Particles
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed