Pal Hermansen / Fishing boat surrounded by flock of Gulls, blurred image. Troms and Finnmark, Norway. November 2014.

Espen Bergersen / Humpback whale (Megaptera novaeangliae) feeding around herring fishing vessel. Kvanangen, Troms, Norway. November

Guy Edwardes / Boat in Loch Duich with Eilean Donan Castle in background, Highlands, Scotland, UK. July 2012.

Espen Bergersen / Gulls (Laridae) seaching for food in water containing blood coming from a large fishing boat, Tromvik, Kvaloya, Troms, Norway, November 2014.

Franco Banfi / Mexican fisherman boat at dusk, fishing Humboldt squid (Dosidicus gigas) , at night off Santa Rosalia, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Jeff Rotman / Fishermen sorting Haddock (Melanogrammus aeglefinus), Pollock (Pollachius) and Dogfish (Squalidae) from net, Georges Bank off Massachusetts, New England, USA, May 2015. Model released.

Jeff Rotman / Dragger net full of Haddock (Melanogrammus aeglefinus), and Dogfish (Squalidae) pulled up into boat, Georges Bank, Massachusetts, New England, USA, May 2015.

Jeff Rotman / Hauling in dragger net filled with Haddock (Melanogrammus aeglefinus), Pollock (Pollachius), Dogfish (Squalidae) and Lobster (Nephropidae) Georges Bank off Massachusetts, New England, USA, May 2015. M...

Onne van der Wal / Tug escorting tanker out of the port of Charleston, towards the Ravenel Bridge, South Carolina, USA. All non-editorial uses must be cleared individually.

Klein & Hubert / Trawlers in the port of Rausu in front of snowy mountains, Shiretoko Peninsula, Hokkaido, Japan. All non-editorial uses must be cleared individually.

Juan Carlos Munoz / Cargo ship passing through the Panama Canal, Panama City, Panama, Central America. July 2012. All non-editorial uses must be cleared individually.

Juan Carlos Munoz / 'Quest' ferry landing in Village Bay, St. Kilda, Outer Hebrides, Scotland, UK. All non-editorial uses must be cleared individually.

Juan Carlos Munoz / Container ship passing through the Panama Canal, Panama City, Panama, Central America. All non-editorial uses must be cleared individually.

Franco Banfi / Front view of a transatlantic cruise ship docked in Dominica, Caribbean. All non-editorial uses must be cleared individually.

Franco Banfi / Rear view of a transatlantic cruise ship docked in Dominica, Caribbean. All non-editorial uses must be cleared individually.

Enrique Lopez-Tapia / Ship navigating the Huangpu River, Shanghai, China, September 2009. All non-editorial uses must be cleared individually.

Benoit Stichelbaut / Tug 'Abeille Bourbon' in rough sea on the Iroise Sea, Brest, Brittany, France, April 2005. All non-editorial uses must be cleared individually.

Benoit Stichelbaut / Container ship, Loire estuary, Saint Nazaire, Loire-Atlantique, France. June 2005. All non-editorial uses must be cleared individually.

Fred Olivier / Adelie penguins (Pygoscelis adeliae) in front of French Icebreaker L'Astrolabe, on edge of the fast ice off Dumont D'Urville station, Antarctica. December 2014.

Ernie Janes / Boat full of people watching Common Seals (Phoca vitulina) on sand bank at Blakeney Point, Norfolk, August 2013.

Ernie Janes / Abstract photo of Tower Bridge, with blurred motion red bus, London, June 2013. Digitally manipulated.

Tom Gilks / Fishermen preparing nets, Remba Island, Lake Victoria, Kenya.

Jean E. Roche / Beaver (Castor fiber) on beach, Camargue, France, November.

Chris & Monique Fallows / Storm over Kalk Bay harbor with boat, False Bay, Cape Town, South Africa.

Jeff Rotman / Fishermen clean Atlantic Cod (Gadus morhua) on deck of fishing trawler, with herring gulls (Larus argentatus) flocking in the background. Stellwagen Banks, New England, United States, North Atlantic O...

Jeff Rotman / Fishermen hauling back trawler net on fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean Model released.

Jeff Rotman / Fisherman hauling back trawler net on fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean Model released.

Richard Du Toit / Aerial photograph of container ship near Cape Town Harbour, Atlantic Ocean, South Africa, Western Cape Province, March 2010

Franco Banfi,Franco Banfi / Anchor on Wreck Vassilios T, Vis Island, Croatia, Adriatic Sea, Mediterranean

Enrique Lopez-Tapia,Enrique Lopez-Tapia / Gentoo penguin (Pygoscelis papua) and Antarctic cruise liner 'MV Ushuaia' in Neko Harbour, Andvord Bay. Antarctic Peninsula, Antarctica

Staffan Widstrand,Staffan Widstrand / Fishermen in boats, Pulicat Lake, Tamil Nadu, India, January 2013.

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) commercial fishing boat (James Archer) leaves the Saldhana Bay harbour before the break of dawn. The lights of the town and the lighthouse flash on the horizon...

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 / Recreational fishing in a sea kayak for West coast rock lobster (Jasus lalandii). Hoop net or trap is lowered onto the sea floor or kelp bed with a pouch of bait (sardines or pilchards) attached. Kom...

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.

Michael Pitts,Michael Pitts / Engine room ventilator shafts of oil tanker 'Seiko Maru'. Sunk in Chuuk Lagoon 17/18th February 1944, Chuuk Lagoon, Pacific

Sue Daly,Sue Daly / Jewel Anemones (Corynactis haddoni) colonising the wreck of HMNZS Canterbury, Bay of Islands, New Zealand, February 2013

Barrie Britton / Snow covered fishing boats in Sitka Harbour, Alaska. Photograph taken on location for BBC TV series 'Nature's Great Events', March 2008.

Denis-Huot / Bottlenose dolphin (Tursiops truncatus) playing in the waves of an oil tanker, Port Aransas, Texas, USA