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.
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 / 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....
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.
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...
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.
Alex Mustard / Saddleback anemonefish (Amphiprion polymnus) barks a warning as it guards a clutch of developing eggs (beneath it) laid on a small stone, below a fold in its home, a Haddon's sea anemone (Stichoda...
Alex Mustard / American crocodile (Crocodylus acutus) shows off its teeth. Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea.
Alex Mustard / Giant hogfish (Bodianus macrognathos) male yawning at a cleaning station run by juvenile Spanish hogfish (Bodianus rufus). Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea...
Mark Carwardine / Fin whale (Balaenoptera physalus), two feeding, aerial view. Baja California, Mexico. March.
Mark Carwardine / Spinetail devil ray (Mobula mobular), four with rays of light and sparkle of sun on water, aerial view. Sea of Cortez, Baja California, Mexico. March.
Jeff Vanuga / Iceberg from the Weddell Sea in Antarctica, grounded near South Georgia, Antarctica. October 2019.
Magnus Lundgren / Juvenile Wunderpus octopus (Wunderpus photogenicus) Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean.
Franco Banfi / Tail of Blue whale diving (Balaenoptera musculus brevicauda) possibly the pygmy sub-species of blue whale, (Balaenoptera musculus). Mirissa, Sri Lanka, Indian Ocean. Photo taken under permit
Franco Banfi / Tail of Blue whale (Balaenoptera musculus brevicauda). This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean