General Description

Four white-grey side plates (red-brown in young animals), with white ridges that radiate from the opening to the edge. One black spot on the white mantle (seen in the opening when the animal emerges). Opening diamond shape. Up to 12 mm high, 1 cm wide.

Biology

This species can tolerate silt and fluctuating salinity. It is often found in estuaries or attached to ships.

Habitat

Rocky shores, to depth of 90 m.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Barnacles › Acorn barnacles

Depth

Shore (0-1 m)
Shallow (1-30 m)
Deep ( > 30 m)

Water Column

On or near sea floor

Max Size

1 cm

Diet

Plankton or Particles

Commercial Species

No

Global Dispersal

Native to Australia

Species Code

MoV 996

Identify

• Barnacles

Conservation Status

• DSE Advisory List : Not listed
• EPBC Act 1999 : Not listed
• IUCN Red List : Not listed