New Zealand Seashore
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DSC_8611 Boring mussel (Zelithophaga truncata) valves are covered in a rich-brown periostrachum,which developes a dense, closely cropped stubble at the pointed end. Uses an acid secretion to bore into soft rocks. Tahunanui *
DSC8611Boring musselZelithophagatruncataacid secretionbores into soft rocksTahunanui