Danny Green / Polar bear (Ursus maritimus) walking across sea ice, reflected in water. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs, standing on sea ice. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs resting on sea ice. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) female and cubs, one cub walking up slope of ice in foreground. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus) and cubs feeding on Whale carcass, on iceberg. Svalbard, Norway, July 2018.

Danny Green / Polar bear (Ursus maritimus) resting on sea ice, view from above. Svalbard, Norway, June 2018.

Danny Green / Polar bear (Ursus maritimus), two cubs playing, leaping across sea ice, reflected in water. Svalbard, Norway, July.

Danny Green / Polar bear (Ursus maritimus), two cubs walking on sea ice. Svalbard, Norway, July.

Danny Green / Ringed seal (Pusa hispida) resting on ice, reflected in water. Svalbard, Norway. July.

David Shale / Bobtail squid {Rossia sp} benthic, Barents sea, Northern Europe

David Shale / Saithe {Pollachias virens} pelagic, deepsea, 2359m, Barents sea, Northern Europe

David Shale / Atlantic herring {Clupea harengus} pelagic, deepsea, 2359m, Barents sea, Northern Europe

David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe

Danny Green / RF - Polar bear (Ursus maritimus) swimming towards sea ice, reflections in water. Svalbard, Norway, July. (This image may be licensed either as rights managed or royalty free.)

Loic Poidevin / Common mure / guillemot (Uria aalge) group swimming on Barents sea. Horborgna Island, Varanger, Norway. May.

Olga Kamenskaya / Low sun over sea Novaya Zemlya, Russian Arctic, with boat in distance July 2017, July

Sandra Bartocha / Storm over the Barents Sea, Hornoya, Norway, March 2013.

Sandra Bartocha / Storm over the Barents Sea, Hornoya, Norway, March 2013.

Solvin Zankl / Dumbo octopus (Grimpoteuthis sp.) Barent's Sea at Depth of 1680 m, Atlantic Ocean.

Mike Potts / King Eider (Somateria spectabilis) in flight, Off Barents Sea coast, Vardo, North norway,

Mike Potts / King Eider (Somateria spectabilis) in flight, Off Barents Sea coast, Vardo, North norway,

Mike Potts / King Eider (Somateria spectabilis) in flight over the sea, in a snow shower, Barents Sea Nr Vardo, North Norway, March

Mike Potts / King Eider (Somateria spectabilis) in flight over the sea, in a snow shower, Barents Sea Nr Vardo, North Norway, March

Mike Potts / King Eider (Somateria spectabilis) and Common Eider (Somateria mollissima) in flight over the sea, Barents Sea Nr Vardo, North Norway, March

Mike Potts / King Eider (Somateria spectabilis) and Common Eider (Somateria mollissima) in flight over the sea, Barents Sea Nr Vardo, North Norway, March

David Shale / Sand eel {Ammodytes tobianus} from Barents sea, Northern Europe

David Shale / Sand eel {Ammodytes tobianus} from Barents sea, Northern Europe

David Shale / Sand eels {Ammodytes tobianus} fish catch from the Barents sea, Northern Europe

David Shale / Sand eel {Ammodytes tobianus} from Barents sea, Northern Europe, with parasitic copepods on tail

David Shale / Sand eel {Ammodytes tobianus} from Barents sea, Northern Europe

David Shale / Spotted wolffish {Anarhichas minor} benthic, 2400m, Barents Sea, Northern Europe

David Shale / Amphipod {Rhachotropis aculeata} benthic, Barents sea, Northern Europe

David Shale / Atlantic herring {Clupea harengus} pelagic, deepsea, 2359m, Barents sea, Northern Europe

David Shale / Eelpout {Lychenchelys sp} benthic, Barents sea, Northern Europe

David Shale / Flounder / American Plaice {Hippoglossoides platessoides} 2368m, benthic, Barents sea, Northern Europe

David Shale / Benthic polychaete scale worm from the Baltic sea, ventral view, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Snailfish {Careproctus sp} deepsea 2362m. Barents sea, Northern Europe

David Shale / Sorting benthic sample catch on research ship Johan Hjort, Barents sea, Northern Europe

David Shale / Eel Pout {Lycodes gracilis} benthic, Barents sea, Northern Europe

David Shale / Northern shrimp {Pandalus borealis} deepsea, Barents sea, Northern Europe

David Shale / Atlantic poacher {Leptagonus decagonus} 2400m, benthic, Barents sea, Northern Europe

David Shale / Arctic Octopus {Bathypolypus arcticus} benthic, Barents sea, Northern Europe

David Shale / Benthic Shrimp {Sabinea sarsii} Barents sea, Northern Europe

David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe

David Shale / Amphipod {Anonyx sp} benthic, 2402m, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Atlantic herring {Clupea harengus} pelagic, deepsea, 2359m, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Benthic Shrimp {Sclerocrangon ferox} female, Barents sea, Northern Europe

David Shale / Amphipod {Epimeria loricata} benthic, Barents sea, Northern Europe

David Shale / Eelpout {Lychenchelys sp} benthic, Barents sea, Northern Europe

David Shale / Benthic polychaete worm {Brada sp} showing retractile tentacles, Barents sea, Northern Europe

David Shale / Trawl catch of Cod and Haddock, Barents sea, Northern Europe

David Shale / cushion star dorsal view, benthic, Barents sea, Northern Europe

David Shale / Eel Pout {Lycodes gracilis} benthic, Barents sea, Northern Europe

David Shale / Arctic Octopus {Bathypolypus arcticus} benthic, Barents sea, Northern Europe

David Shale / Launching benthic trawl nets from Johan Hjort, Barents sea, Northern Europe

David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe

David Shale / Benthic polychaete worm {Nephthys sp} benthic, Barents sea, Northern Europe

David Shale / Atlantic hookear sculpin {Artediellus atlanticus} 2382m, benthic, Barents sea, Northern Europe

David Shale / Atlantic hookear sculpin {Artediellus atlanticus} benthic, Barents sea, Northern Europe

David Shale / Atlantic herring {Clupea harengus} pelagic, deepsea, 2359m, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Prickleback {Leptoclinus maculatus} deepsea, 2418m, Barents sea, Northern Europe

David Shale / Amphipod {Epimeria loricata} benthic, Barents sea, Northern Europe

David Shale / Atlantic wolffish {Anarhichas lupus} benthic, Barents Sea, Northern Europe

David Shale / Retractile tentacles of Benthic polychaete worm / Fanworm {Brada sp} Barents sea, Northern Europe

David Shale / Benthic Shrimp {Sclerocrangon ferox} female, Barents sea, Northern Europe

David Shale / Fathead fish {Cottunculus sp} deepsea, Barents sea, Northern Europe

David Shale / Eel Pout {Lycodes gracilis} benthic, Barents sea, Northern Europe

David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe

David Shale / Arctic Octopus {Bathypolypus arcticus} benthic, Barents sea, Northern Europe

David Shale / Benthic polychaete worm {Nephthys sp} benthic, Barents sea, Northern Europe

David Shale / Benthic polychaete scale worm {Laetomonice filicornis} benthic, Barents sea, Northern Europe

David Shale / Trawl catch of Cod and Haddock, Barents sea, Northern Europe

David Shale / Bobtail squid {Rossia sp} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Atlantic hookear sculpin {Artediellus atlanticus} benthic, Barents sea, Northern Europe

David Shale / Hermit crab in piece of coral, Barents sea, Northern Europe

David Shale / Isopod {Saduria sabini} benthic, Barents sea, Northern Europe

David Shale / Norway Pout {Trisopterus esmarkii} deepsea, pelagic, 2382m, Barents sea, Northern Europe

David Shale / Prickleback {Leptoclinus maculatus} deepsea, 2418m, Barents sea, Northern Europe

David Shale / Pipe fish {Entelurus aequoreus} head and eye, 2359m, Barents sea, Northern Europe

David Shale / Benthic polychaete worm / Fanworm {Brada sp}Barents sea, Northern Europe

David Shale / Spotted wolffish {Anarhichas minor} benthic, 2400m, Barents Sea, Northern Europe

David Shale / Eel Pout {Lycodes gracilis} benthic, Barents sea, Northern Europe

David Shale / Benthic Shrimp {Sclerocrangon ferox} female carrying eggs, Barents sea, Northern Europe

David Shale / Trawl catch of Atlantic cod and Haddock, Barents sea, Northern Europe

David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe

David Shale / Benthic polychaete scale worm {Laetomonice filicornis} benthic, Barents sea, Northern Europe

David Shale / Arctic Octopus {Bathypolypus arcticus} benthic, Barents sea, Northern Europe

David Shale / Amphipod {Neohela monstrosa} deepsea, Barents sea, Northern Europe

David Shale / Amphipod {Rhachotropis aculeata} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe