Young acorn barnacles
© Colin Milkins / www.osfimages.com | Young acorn barnacles on adult shells
© Colin Milkins / www.osfimages.com | Acorn barnacle feeding
© Barrie Watts / www.osfimages.com |
Acorn barnacles
© London Scientific Films / www.osfimages.com | Acorn barnacles
© N. A. Callow | Acorn barnacles
© David & Katie Urry / www.ardea.com |
Mass of acorn barnacles
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