Sue Daly / Edible crab (Cancer pagurus) on deep water coral reef (Lophelia pertusa) Trondheimsfjord, Norway, July.

Nick Upton / Edible crab (Cancer pagurus) in a rockpool, leaves frame, Cornwall, England, UK, September.

Sue Daly / Close-up of an Edible crab (Cancer pagurus), Sark, British Channel Islands, UK, August.

Sue Daly / Edible crab (Cancer pagurus), Sark, British Channel Islands, UK, August.

SCOTLAND: The Big Picture / Edible crab (Cancer pagurus) semi buried in the seabed amongst boulders with sea urchins and sunfish in background, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / Edible crab (Cancer pagurus) sitting between hydroids (Nemertesia ramosa) and Plumose anemone (Metridium senile) with fish swimming in plankton bloom in background, South Arran Marine Protected Area,...

SCOTLAND: The Big Picture / Edible crab (Cancer pagurus) digging in maerl bed, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August.

SCOTLAND: The Big Picture / Fisherman aboard boat holding Edible crab (Cancer pagurus) caught in lobster pot / creel, Lamlash Bay, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August 2016.

SCOTLAND: The Big Picture / Catch of Edible crabs (Cancer pagurus) in plastic basket, Lamlash Bay, South Arran Marine Protected Area, Isle of Arran, Scotland, UK, August 2016.

SCOTLAND: The Big Picture / Horse mussel (Modiolus modiolus) bed with Brittlestars (Ophiothrix fragilis) and Edible crab (Cancer pagurus), Shetland, Scotland, UK, September.

Andy Jackson / 2020VISION / Edible crab (Cancer pagurus) walking up a vertical wall covered by a colony of Baked-bean ascidians (Dendrodoa grossularia), Noup Head, Westray, Orkney, Scotland, UK, June.

Jeff Rotman / Bycatch of American lobster (Homarus americanus), Brown Crab (Cancer pagurus), Little Skate (Leucoraja erinacea), Yellowtail Flounder (Limanda ferruginea) and Northern Sea Star (Asterias rubens) on de...