General Description

Four side plates, forming a wide conical shape. Colour varies, including white, grey or purple. Opening diamond shape. Up to 1 cm high, 3 cm wide.


Purple Four-plated Barnacles attach to shaded rock surfaces, such as crevices, where they are protected from waves. Sometimes, they also attach to abalone or mussel shells.


New Zealand and southern Australia.


Sheltered areas of rocky shores, at mid to high tide levels.

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