SCOTLAND: The Big Picture / Common whelk (Buccinum undatum) on maerl (Corallinales) bed, a priority marine feature. Within a Marine Protected Area, Shetland, Scotland, UK, September.

SCOTLAND: The Big Picture / Common whelk (Buccinum undatum) laying eggs, Loch Creran, Argyll and Bute, Scotland, UK, November. Small repro only.

Alex Hyde / Eggs of Common whelk (Buccinum undatum) on beach. Anglesey, Wales, UK. December.

Sue Daly / Eggs of Common whelk (Buccinum undatum) on beach, Sark, British Channel Islands.

Sue Daly / Eggs of Common whelk (Buccinum undatum) on seaweed washed up on beach, Sark, British Channel Islands.

Sue Daly / Common whelk (Buccinum undatum) Bouley Bay, Jersey, British Channel Islands.

Nick Upton / Egg masses of Common whelk (Buccinum undatum) washed up on high water mark alongside dried out Bladder wrack fronds (Fucus vesiculosus), Rhossili, The Gower peninsula, Wales, UK, June.

Toby Roxburgh / 2020VISION / Fishermen unloading bags of Common whelks (Buccinum undatum) at the harbour (The Cobb), Lyme Regis, England, UK, February 2011

Philippe Clement / Common whelk (Buccinum undatum) shells on beach, Brittany, France

Philippe Clement / Common whelk (Buccinum undatum) shells, Brittany, France

Philippe Clement / Common whelk (Buccinum undatum) from the North Sea, shell showing aperture, Belgium

Philippe Clement / Common whelk (Buccinum undatum) egg mass / sea wash ball, Belgium