Pascal Kobeh / Atlantic / American lobster (Homarus americanus) with a Grey seal (Halichoerus grypus ) swimming in the background, Gulf of Saint Lawrence, Canada

Nick Hawkins / Larval American lobster (Homarus americanus) and various larval fish species obtained from a plankton sample in the Gulf of Saint Lawrence, Canada. June

Nick Hawkins / An Amerian lobster (Homarus americanus) in defensive posture off Nova Scotia, Canada. July

Nick Hawkins / America lobster (Homarus americanus) off Bonaventure Island, Gulf of Saint Lawrence, Quebec, Canada. September.

Nick Hawkins / American lobster (Homarus americana) digging a burrow off Nova Scotia, Canada. July

SCOTLAND: The Big Picture / Lobster (Homarus gammarus) on a rocky reef, Shetland, Scotland, UK, August.

Alex Mustard / Lobster (Homarus gammarus) caught in a lobster pot / creel on the Wreck of the Rosalie, Weybourne, north Norfolk, England, United Kingdom. North Sea.

Jeff Rotman / Herring gulls (Larus argentatus) attracted to Lobster boat. Chebeague Island, Casco Bay, Maine, USA. July 2017.

Jeff Rotman / Lobster boat under way. Chebeague Island, Casco Bay, Maine, USA. July 2017.

Jeff Rotman / Crate of lobsters being unloaded. Chebeague Island, Casco Bay, Maine, USA

Jeff Rotman / American lobster (Homarus americanus) trying to escape trap through vents for juveniles. Chebeague Island, Casco Bay, Maine

Jeff Rotman / Lobstermen hauling traps, Chebeague Island, Casco Bay, Maine, USA, July.