Sergio Hanquet / Arrow crab (Sternorhynchus lanceolatus). Tenerife, Canary Islands.

Doc White / California sea otter (Enhydra lutris) feeding on Northern kelp crab, Monterey Bay, California, USA, Eastern Pacific Ocean, May

Alex Mustard,Alex Mustard / A portrait of a small Candy stripe shrimp (Lebbeus grandimanus) in front of its host pink anemone (out of focus because of the magnification). Browning Wall, Browning Pass, Port Hardy, Vancouver Islan...

Cheryl-Samantha Owen / Fishing for West coast rock lobster (Jasus lalandii) aboard the James Archer (Oceana fisheries). Crew haul up lobster trap. Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / West Coast Rock Lobster (Jasus lalandii) observed by diver. Kalk Bay, Atlantic Ocean, False Bay, Valsebaai, Western Cape, South Africa

Cheryl-Samantha Owen / The crew of the James Archer, Oceana fisheries, throws baited lobster traps into the ocean to catch West coast rock lobster (Jasus lalandii). View from cabin window, Saldanha Bay and St. Helena Bay, W...

Cheryl-Samantha Owen / Crew of the James Archer (Oceana fisheries) pull up a lobster trap during West coast rock lobster (Jasus lalandii) fishing, Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Franco Banfi / Crab covered in algae, Golfo Nuevo, Peninsula Valdes UNESCO Natural World Heritage Site, Chubut, Patagonia, Argentina, Atlantic Ocean, October

David Shale / Deepsea Orange ghost lobster (Decopoda, Thalassinidae) from coral seamount in the Indian Ocean, December 2011

David Shale / Decapod {Systellaspis sp} from midwater catch 195-498m, Mid-Atlantic Ridge, North Atlantic Ocean

Juan Carlos Munoz / Crab walking over beach leaving tracks in the wet sand, Floreana Island, Galapagos, January

Solvin Zankl / Anomuran larva of a Hermit crab, Atlantic ocean