by Maggy Wassilieff
New Zealanders often see the shells of mussels, cats’ eyes and limpets on the shoreline, but they might be surprised to know that sea slugs, shipworms and squid are also classified as shellfish. They all belong to the country’s vast mollusc group, which includes the beautiful Arabic volute, and the giant sea snail, whose shell is used by Māori as a trumpet.
Main image: New Zealand shells
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