Franco Banfi / Loggerhead turtle (Caretta caretta) accompanied by pilotfish (Naucrates ductor) swimming near the surface. Vulnerable. Santa Maria Island, Azores, Portugal, Atlantic Ocean
Franco Banfi / Atlantic spotted dolphins, (Stenella frontalis), Formigas Islet dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean
Andy Murch / Spiny dogfish (Squalus acanthias) portrait. Rhode Island, New England, USA. August.
Andy Murch / Nurse shark (Ginglymostoma cirratum) swimming below surface at sunset. South Bimini Island, Bahamas.
Andy Murch / Great hammerhead shark (Sphyrna mokarran) mouth wide open, feeding in shallow water, surrounded by fish. South Bimini Island, Bahamas.
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...
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....
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.
Jurgen Freund / Magnificent sunbird (Aethopyga magnifica) male perched on flower. Bacolod, Negros Occidental, Philippines.
Wayne Wu Ying / Wild Wonders of China / Indo-Pacific humpback dolphin (Sousa chinensis) Tai O, western side of Lantau Island, Hong Kong, China
Jeff Vanuga / Iceberg from the Weddell Sea in Antarctica, grounded near South Georgia, Antarctica. October 2019.
Tony Wu / Male Korean seahorse (Hippocampus haema) giving birth. Kumamoto Prefecture, Kyushu, Japan.
Doug Gimesy / Wallaroo (Macropus robustus), orphaned male joey aged 4-5 months bottle fed by wildlife rescuer and carer in kitchen. Joey was thrown out of pouch in road traffic accident, mum fatally injured. Somers...
Ross Hoddinott / St Michael's Mount at sunrise with a rainbow over Penzance, Marazion, Wesat Cornwall, UK. February.
Tui De Roy / Galapagos hawk (Buteo galapagoensis) landing on mating pair of Galapagos giant tortoise (Chelonoidis vandenburgh) Alcedo Volcano, Isabela Island, Galapagos.
Franco Banfi / Conger eel, (Conger conger) on Teti shipwreck which sank on a stormy night on 23 May 1930, Komiza, Vis Island, Croatia, Adriatic Sea. .
Tui De Roy / Epanola saddelback tortoise (Chelonoidis hoodensis), with Galapagos mockingbird (Mimus parvulus) perched on carapace, Espnola Island, Galapagos.
Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi), Alcedo Volcano, Isabela Island, Galapagos
Ben Cranke / King Penguins (Aptenodytes patagonicus) approached by an Antarctic Fur Seal (Arctocephalus gazella). A few pecks from the penguins caused the seal to retreat. Southern elephant seal (Mirounga leonina)...
Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi), Alcedo Volcano, Isabela Island. This is where the largest extant population exists, acting as ecosystem engineers by maintaining open meadows and digg...
Tui De Roy / Wolf giant tortoise (Chelonoidis becki) two males fight briefly over mating rights. Wolf Volcano, Isabela Island, Galapagos
Tui De Roy / Wolf giant tortoise (Chelonoidis becki) in habitat. Hybrids of mixed parentage with different shell shapes are scattered far and wide on the rugged west slope of Wolf Volcano. Wolf Volcano, Isabela Is...
David Hall / Steller sea lions (Eumetopias jubatus), three playing underwater, Inian Island, Alaska, USA. August.
David Hall / Steller sea lions (Eumetopias jubatus) playing underwater, Inian Island, Alaska, USA. August.
David Hall / Split-level of Cormorants (Phalacrocorax sp.) standing on rocks with Sea lettuce (Ulva sp.) seen underwater, Hussar Bay, Nigei Island, Queen Charlotte Strait, British Columbia, Canada. September.
David Hall / A Giant rock scallop (Crassadoma gigantea) encrusted with and surrounded by several other invertebrates, including White anemones (Metridium sp.), White mushroom ascidians (Distaplia sp.), Red soft co...
David Hall / Harbor seal (Phoca vitulina) using a large,encrusted boulder as a tool to scratch itself against, Gowland Harbour, Quadra Island, British Columbia, Canada. March.
David Hall / Split level of a Lion's mane Jellyfish (Cyanea capillata) and Feather-boa kelp (Egregia menziesii), Seven-tree Island, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.
Shane Gross / Common octopus (Octopus vulgaris) hunting on a reef off Eleuthera Island, Bahamas.
Shane Gross / Galapagos penguin (Spheniscus mendiculus) hunting off Bartolome Islet, Santiago Island, Galapagos, Ecuador. December.
Shane Gross / Panamic Cushion Sea Star (Pentaceraster cumingi) and a school of Yellow-tailed Grunt (Anisotremus interruptus), Galapagos Island, Ecuador. December.
Shane Gross / Galapagos Sea Lion (Zalophus californianus wollebacki) resting on rocks at sunset on North Seymour Island, Galapagos, Ecuador. December.
Shane Gross / Galapagos sea lion (Zalophus wollebaeki) plays in the surf, San Cristobal Island, Galapagos, Ecuador. December.
Shane Gross / Galapagos green sea turtles (Chelonia mydas agassizii) feeding on seaweed growing on lava rocks off Isabela Island, Galapagos, Ecuador. December.
Shane Gross / Galapagos sea lion (Zalophus wollebaeki) hunting shoal of Black striped salemas (Xenocys jessiae), Rabida Island, Galapagos, Ecuador. December.
Georgette Douwma / Crinoid (Crinoidea) on Soft coral (Alcyonacea). Derawan Islands, East Kalimantan, Indonesia.
Franco Banfi / Blue shark (Prionace glauca) and Pilot fish (Naucrates ductor), Pico Island, Azores, Portugal, Atlantic Ocean
Franco Banfi / Blue shark (Prionace glauca) with fishing hook caught in mouth and Pilot fish (Naucrates ductor), Pico Island, Azores, Portugal, Atlantic Ocean
Orsolya Haarberg / Aerial view of sporadically inhabited islands, Islets and skerries in a wide coastal plain. Husvaer, Helgeland Archipelago, Norway. July.
Franco Banfi / Cuckoo wrasse (Labrus mixtus) male in front of Red sea fan, (Paramuricea clavata), Stupiste In dive site, Vis Island, Croatia, Adriatic Sea, Mediterranean
Franco Banfi / Octopus, (Octopus vulgaris), splashing a cloud of ink and swim away with Bearded fireworm, (Hermodice carunculata) who want to eat a small octopus, top of the wall of Bisevo, Vis Island, Croatia, Adri...
Tui De Roy / Hawksbill turtle (Erethmochelys imbricata) feeding on tropical reef, Tulamben, North coast, Bali, Indonesia. Lesser Sunda Islands.
Robert Valentic / Golden tree snake (Chrysopelea ornata) male, Patong Beach, Phuket Island, Thailand. Controlled conditions
Alex Mustard / Split level image of a Southern stingray (Dasyatis americana) swimming over a sand bar. Grand Cayman, Cayman Islands. British West Indies. Caribbean Sea.
Alex Mustard / Long exposure of a group of Tarpon (Megalops atlanticus) hunt Silversides (Atherinidae) inside a coral cavern. George Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.