David Fleetham / Close up at the dental plates of Three color parrotfish (Scarus tricolor) as it comes in for a bite of hard coral, Fiji.
Mark MacEwen / King penguin (Aptenodytes patagonicus) group walking past Southern elephant seal (Mirounga leonina) colony, mountains in background. St Andrews Bay, South Georgia. October 2017.
Mark MacEwen / Southern elephant seal (Mirounga leonina), two females sleeping. St Andrews Bay, South Georgia. October.
Roy Mangersnes / Melting ice sheet with massive waterfalls running off the Austfonna glacier, the third largest glacier in the world covering most of Nordaustlandet island, eastern Svalbard, Norway. Winner of True...
Alex Mustard / Puffins (Fratercula arctica) swimming underwater. Puffins spend most of their lives at sea and are excellent underwater swimmers, which is how they catch small fish, their main food. , Farne Islands,...
Alex Mustard / Leafy seadragon (Phycodurus eques) male carrying eggs, swims over seagrass meadow. Wool Bay, Edithburgh, South Australia. Gulf of St Vincent.
Alex Mustard / Leafy seadragon (Phycodurus eques) demonstrates the effectiveness of its camouflage as it shelters amongst seaweeds. This individual is a male carrying eggs. Wool Bay Jetty, Edithburgh, Yorke Peninsul...
Alex Mustard / School of Oriental sweetlips (Plectorhinchus vittatus) gather tightly together as they rest during the day, with a Clown triggerfish (Balistoides conspicillum) and Midnight snappers (Macolor macularis...
Shane Gross / Lemon shark juvenile (Negaprion brevirostris) swimming in mangrove habitat near blue crab (Callinectes sapidus), a prey species for the shark. Eleuthera, Bahamas.
Shane Gross / Lemon shark juvenile (Negaprion brevirostris) trying to feed on the leaves of a red mangrove (Rhizophora mangle). As pups, the sharks have to learn to hunt for themselves and sometimes make mistakes....
Sirachai Arunrugstichai / Requiem sharks (Carcharhinidae), including Tiger sharks (Galeocerdo cuvier) and Spottail sharks (Carcharhinus sorrah) caught in the Andaman Sea by longline fishing. Laid in buckets, waiting to be tran...
Pal Hermansen / Flock of birds near wind turbines in North Sea. Rickelsbuller Koog nature reserve, North Frisia, Schleswig-Holstein, Germany. November 2019.
Pal Hermansen / Bearded seal (Erignathus barbatus) hauled out on ice, reflected in water. Svalbard, Norway. May.
Pal Hermansen / Fishing boat surrounded by flock of Gulls, blurred image. Troms and Finnmark, Norway. November 2014.
Pal Hermansen / Oystercatcher (Haematopus ostralegus) landing on coast in midnight sun. Lofoten, Norway. July.
Ole Jorgen Liodden / Polar bear (Ursus maritimus) walking on drifting sea ice. Svalbard, Norway.
Ole Jorgen Liodden / Polar bear (Ursus maritimus) on drifting ice floe. Svalbard, Norway.
Shane Gross / Green turtle (Chelonia mydas) feeding on on Turtlegrass (Thalassia testudinum) seagrass bed. The Bahamas.
Stefan Christmann / Emperor penguin (Aptenodytes fosteri) male peering out, looking over the huddle during polar night, Antarctic winter, Atka Bay, Antarctica. July. Bookplate.
Pal Hermansen / Snow covered mountains with image of sea behind, double exposure. Western Svalbard, Norway. April 2018.
Pal Hermansen / RF - Double exposure shot of sheet of ice on Greenland Sea with snow covered mountains in background. Krossfjorden, Svalbard, Norway. April 2018. (This image may be licensed either as rights managed o...
Nick Garbutt / Walrus (Odobenus rosmarus) amongst group hauled out on shore. Spitsbergen, Svalbard, Norway. July.
Tony Wu / Crab-eye goby (Signigobius biocellatus), mimics crab with eye-spot markings on dorsal fins and back and forth movement. Loloata Island, Papua New Guinea.
Tony Wu / Harlequin mantis shrimp (Odontodactylus scyllarus), close up of compound eyes. Lembeh Strait, North Sulawesi, Indonesia.