Franco Banfi / Red king crab (Paralithodes camtschaticus) on sand. Vrangel Bay, Primorsky Krai, Russia. August.

Tony Wu / Many-spined king crab (Paralomis multispina), juvenile caught at a depth of 1000m. Suruga Bay, Shizuoka Prefecture, Honshu, Japan. April.

Fred Bavendam / Puget Sound King Crab (Lopholithodes mandtii), Vancouver Island, British Columbia, Canada

Dan Burton / Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver with two Giant red king crabs {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Large catch of Giant red king crabs {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Giant red king crab {Paralithodes camtschaticus} on decking, Kirkiness, Norway

Dan Burton / Man eating dressed Giant red king crab {Paralithodes camtschaticus} in restaurant, Kirkiness, Norway

Dan Burton / Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver coming to the surface with Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver coming to the surface with two Giant red king crabs {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver with Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver holding two Giant red king crabs {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver with Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver with Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver with two Giant red king crabs {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver holding two Giant red king crabs {Paralithodes camtschaticus} Kirkiness, Norway

Dan Burton / Diver with Giant red king crab {Paralithodes camtschaticus} Kirkiness, Norway

Juergen Freund / Juvenile Puget sound king crab {Lopholithodes mandtii} Pacific, Canada

Alex Mustard / Spiny lithode crab (Acantholithodes hispidus) portrait, Browning Pass, Vancouver Island, British Columbia, Canada, Queen Charlotte Strait, Pacific Ocean.

David Hall / The Umbrella crab (Crytptolithodes sitchensis) viewed from above, Queen Charlotte Strait, British Columbia, Canada. September.

David Hall / Umbrella Crab (Crytptolithodes sitchensis) portrait, Queen Charlotte Strait, British Columbia, Canada. September.

David Hall / Puget sound king crab (Lopholithodes mandtii) and Red sea urchins (Strongylocentrotus franciscanus), Deserter Group, Queen Charlotte Strait, British Columbia, Canada. September.