Guy Edwardes / Durdle Door in winter during Strom Emma, Jurassic Coast World Heritage Site, Isle of Purbeck, Dorset, England, UK. March 2018
Shane Gross / Red mangrove (Rhizophora mangle) propagules / plantlets which become fully mature plants before dropping off the parent tree to drift away and establish a new tree. Bahamas.
Markus Varesvuo / Arctic tern (Sterna paradisaea) in flight over water, multiple reflections in sea. Iceland. June.
Franco Banfi / Loggerhead turtle (Caretta caretta) accompanied by pilotfish (Naucrates ductor) swimming near the surface. Vulnerable. Santa Maria Island, Azores, Portugal, Atlantic Ocean
Ben Cranke / African fish eagle (Haliaeetus vocifer) pressurises a Saddle-billed stork (Ephippiorhynchus senegalensis) into dropping a freshly caught fish, so that it can be stolen for a meal. Liuwa Plain National...
Andy Murch / Rasptail skate (Raja velezi) resting on sea floor. La Paz Bay, Baja California Sur, Mexico.
Andy Murch / Happy Eddy (Haploblepharus edwardsii) amongst Cape sea urchin (Parechinus angulosus) and starfish. False Bay, Western Cape, South Africa. June.
Andy Murch / Great hammerhead shark (Sphyrna mokarran) mouth wide open, feeding in shallow water, surrounded by fish. South Bimini Island, Bahamas.
Andy Murch / Banded houndshark (Triakis scyllium) group above sea floor. Chiba Prefecture, Honshu, Japan. October.
Shane Gross / Dugong (Dugong dugon) feeding on Tapegrass (Halophila stipulacea), accompanied by juvenile Golden trevally fish (Gnathanodon speciosus). Marsa Alam, Egypt.
Shane Gross / Dugong (Dugong dugon) male and juvenile Golden trevally (Gnathanodon speciosus) shoal swimming over Turtlegrass (Halophila stipulacea) seagrass bed. Marsa Alam, Egypt.
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...
Terry Whittaker / Brown trout (Salmo trutta) leaping up waterfall to reach spawning grounds upstream. River Endrick, Loch Lomond and The Trossachs National Park, Scotland, UK. July.
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...
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.
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 / 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 / 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.
Danny Green / Sea otter (Enhydra lutris) female and pup playing. Alaska, USA, February.
Danny Green / Sea otter (Enhydra lutris) female and pup. Alaska, USA, February.
Danny Green / Bald eagle (Haliaeetus leucocephalus), two perched on rocks in front of frozen waterfall. Alaska, USA, February.