Sue Daly / Spiny Starfish (Marthasterias glacialis) preying on Scallop (Pecten maximus) Isle of Man, July.

Sue Daly / Scallop (Pecten maximus) escaping from Spiny Starfish (Marthasterias glacialis) Isle of Man, July.

SCOTLAND: The Big Picture / King scallop (Pecten maximus) with hydroids, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / King scallop (Pecten maximus) with bryozoan on the shell, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / Two King scallops (Pecten maximus), South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / Queen scallop (Aequipecten opercularis) with ripe gonads, Shetland, Scotland, UK, May.

Alex Mustard / Scallop (Pecten maximus) Loch Carron, Ross and Comarty, Scotland, Great Britain. North East Atlantic Ocean.

Franco Banfi / Pacific pink scallop (Chlamys rubida) close up, Vancouver Island, British Columbia, Canada, Pacific Ocean

Franco Banfi / Pacific pink scallop (Chlamys rubida) Vancouver Island, British Columbia, Canada, Pacific Ocean

Ingo Arndt / Scallop (Pectinidae), Meeresmuseum Ozeania, Riedenburg, Germany

Duncan Usher / St James Scallop (Pecten jacobaeus) shells seen in ultraviolet light, Donana National Park, Andalucia, Spain, Sequence 2 of 2

Duncan Usher / St James Scallop (Pecten jacobaeus) shells, Donana National Park, Andalucia, Spain. Sequence 1 of 2