Christophe Courteau / Star barnacles exposed at low tide {Chthamalus montagui} Brittany France
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Nick Upton / Common Mussels (Mytilus edulis) Dog Whelk (Nucella lapillus), Common limpet (Patella vulgata) and Montagu's stellate barnacles (Chthamalus montagui) exposed at low tide on rocks fringing a sandy beach...