Franco Banfi / RF - Leatherback sea turtle (Dermochelys coriacea) swimming underwater accompanied by three Remoras (Remora sp.), Kei Islands, Moluccas, Indonesia, Banda Sea, southwest Pacific Ocean. (This image may...

Franco Banfi / RF - Leatherback sea turtle (Dermochelys coriacea) swimming close to surface accompanied by Remoras (Remora sp.), Kei Islands, Moluccas, Indonesia, Banda Sea, southwest Pacific Ocean. (This image may...

Franco Banfi / RF - Sea tomato jellyfish (Crambione mastigophora) with juvenile Pilot fish (Naucrates ductor) among its tentacles, drifting close to surface with sunrays, Kei Islands, Moluccas, Indonesia, Banda Sea,...

Franco Banfi / Leatherback sea turtle (Dermochelys coriacea) swimming underwater, Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Leatherback sea turtle (Dermochelys coriacea) swimming underwater accompanied by Remoras (Remora sp.), Kei Islands, Moluccas, Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Sea tomato jellyfish (Crambione mastigophora) drifting close to surface with sunrays, Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Sea tomato jellyfish (Crambione mastigophora) drifting with juvenile Pilot fish (Naucrates ductor), Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Sea tomato jellyfish (Crambione mastigophora) portrait, Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Group of Sea tomato jellyfish (Crambione mastigophora) drifting in ocean, Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Leatherback sea turtle (Dermochelys coriacea) swimming underwater, Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Sea tomato jellyfish (Crambione mastigophora) accompanied by juvenile Pilot fish (Naucrates ductor), Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Leatherback sea turtle (Dermochelys coriacea) swimming underwater accompanied by Remoras (Remora sp.), Kei Islands, Moluccas, Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Leatherback sea turtle (Dermochelys coriacea) swimming close to surface accompanied by Remoras (Remora sp.), Kei Islands, Moluccas, Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Leatherback sea turtle (Dermochelys coriacea) swimming underwater, Kei Islands, Moluccas, eastern Indonesia, Banda Sea, southwest Pacific Ocean.

Franco Banfi / Leatherback sea turtle (Dermochelys coriacea) swimming close to surface accompanied by Remoras (Remora sp.), Kei Islands, Moluccas, Indonesia, Banda Sea, southwest Pacific Ocean.

David Hall / RF - Psychedelic frogfish (Histiophryne psychedelica) resting on seabed, Ambon, Indonesia, Pacific Ocean. (This image may be licensed either as rights managed or royalty free.)

David Hall / RF - Psychedelic frogfish (Histiophryne psychedelica) portrait, Ambon, Indonesia, Pacific Ocean. (This image may be licensed either as rights managed or royalty free.)

David Hall / RF - Detail of the underside of a colourful Cushion sea star (Culcita novaeguineae), Ambon, Indonesia, Pacific Ocean. (This image may be licensed either as rights managed or royalty free.)

David Hall / Two-spot wrasse (Oxycheilinus bimaculatus) portrait, with an unusually shaped caudal (tail) fin, Ambon, Indonesia, Pacific Ocean.

David Hall / Fimbriated moray (Gymnothorax fimbriatus) right, and Snowflake moray (Echidna nebulosa) left, sharing the same den, Ambon, Indonesia, Pacific Ocean.

David Hall / Striated frogfish (Antennarius striatus) using its bifurcated, worm-like lure (esca) to hunt for food on seabed, Ambon, Indonesia, Pacific Ocean.

David Hall / Striated frogfish (Antennarius striatus) using its bifurcated, worm-like lure (esca) to hunt for food on seabed, Ambon, Indonesia, Pacific Ocean.

David Hall / Dragon sea moth (Eurypegasus draconis) resting on seabed, Ambon, Indonesia, Pacific Ocean.

David Hall / Ringed pipefish (Doryrhamphus dactyliophorus) pair, male carrying fertilized eggs attached to a specialized patch of skin on its abdomen, Ambon, Indonesia, Pacific Ocean.

David Hall / Schools of Redtooth triggerfish (Odonus niger) feeding on plankton over coral reef, Ambon, Indonesia, Pacific Ocean.

David Hall / Psychedelic frogfish (Histiophryne psychedelica) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Psychedelic frogfish (Histiophryne psychedelica) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Psychedelic frogfish (Histiophryne psychedelica) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Psychedelic frogfish (Histiophyrne psychedelica) hiding in crevice on seabed, Ambon, Indonesia, Pacific Ocean.

David Hall / Psychedelic frogfish (Histiophryne psychedelica) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Psychedelic frogfish (Histiophryne psychedelica) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Psychedelic frogfish (Histiophryne psychedelica) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Mushroom coral (Fungiidae) mouth detail, Ambon, Indonesia, Pacific Ocean.

David Hall / Day octopus (Octopus cyanea) female, receiving a packet of sperm from a nearby male, whose specialized arm (hectocotylus) can be seen placing the sperm packet inside her mantle, Ambon, Indonesia, Paci...

David Hall / Longhorn cowfish (Lactoria cornuta) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Longhorn cowfish (Lactoria cornuta) swimming over a rocky seabed, Ambon, Indonesia, Pacific Ocean.

David Hall / Zebra lionfish (Dendrochirus zebra) camouflaged among encrusting sponges (Porifera), Ambon, Indonesia, Pacific Ocean.

David Hall / Pinnate batfish (Platax pinnatus) juvenile, portrait, mimicking the appearance of a toxic flatworm to deter predators, Ambon, Indonesia, Pacific Ocean.

David Hall / Pinnate batfish (Platax pinnatus) juvenile, portrait, mimicking the appearance of a toxic flatworm to deter predators, Ambon, Indonesia, Pacific Ocean.

David Hall / Underwater cave with walls covered with encrusting organisms, especially Sponges (Porifera) and Corals (Anthozoa), Hukarilla Cave, Ambon, Indonesia, Pacific Ocean.

David Hall / Dorid nudibranch (Gymnodoris ceylonica) with eggs, Ambon, Indonesia, Pacific Ocean.

David Hall / Blacktip grouper (Epinephelus fasciatus) catching a juvenile Orange-lined triggerfish (Balistapus undulatus) in its mouth, Ambon, Indonesia, Pacific Ocean.

David Hall / Giant frogfish (Antennarius commersoni) portrait, Ambon, Indonesia, Pacific Ocean.

David Hall / Giant frogfish (Antennarius commersoni) mated pair, female right, resting on seabed, Ambon, Indonesia; Pacific Ocean.

David Hall / Giant barrel sponges (Xestospongia sp.) and Yellow-tail fusiliers (Caesio teres) on a coral reef with Threadfin anthias (Pseudanthias huchti) in foreground, Ambon, Indonesia, Pacific Ocean.

David Hall / Flamboyant cuttlefish (Metasepia pfefferi) camouflaged on seabed, hunting, Ambon, Indonesia, Pacific Ocean.

David Hall / Crinoid clingfish (Discotrema crinophila) living among the arms of Feather star (Crinoidea), Ambon, Indonesia, Pacific Ocean.

David Hall / An unidentified Corallimorpharian (Corallimorpharia) close up, Ambon, Indonesia, Pacific Ocean.

David Hall / Chromodorid nudibranch (Miamira miamirana) resting on seabed, Ambon, Indonesia, Pacific Ocean.

Nick Garbutt / White-tailed eagle (Haliaeetus albicilla) fishing on Loch Na Keel, Isle of Mull, Scotland, UK. June. Controlled conditions.

Nick Garbutt / White-tailed eagle (Haliaeetus albicilla) fishing on Loch Na Keel, Isle of Mull, Scotland, UK. June. Controlled conditions.

Nick Garbutt / White-tailed eagle (Haliaeetus albicilla) fishing on Loch Na Keel, Isle of Mull, Scotland, UK. June. Controlled conditions.

Nick Garbutt / White-tailed eagle (Haliaeetus albicilla) fishing on surface of Loch Na Keel, Isle of Mull, Scotland, UK. June. Controlled conditions.

Nick Garbutt / White-tailed eagle (Haliaeetus albicilla) in flight, Loch Na Keel, Isle of Mull, Scotland, UK. June.

Marie Read / Two Tufted puffins (Fratercula cirrhata) in flight over water with flock of Common murres (Uria aalge) swimming in the background, Pribilof Islands, Alaska, USA. August.

Marie Read / Tufted puffin (Fratercula cirrhata) in breeding plumage, perched on rock, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Tufted puffin (Fratercula cirrhata) in breeding plumage, in flight over water carrying fish in beak to feed young, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Red-necked phalaropes (Phalaropus lobatus) large flock taking flight from water during spring migration, Inian Islands, Alaska, USA. May.

Marie Read / Red-necked phalaropes (Phalaropus lobatus) large flock on water during spring migration, Inian Islands, Alaska, USA. May.

Marie Read / Red-legged kittiwake (Rissa brevirostris) in breeding plumage, perched on rock on the shore, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Red-legged kittiwakes (Rissa brevirostris) pair with chick at nest on narrow cliff ledge, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Red-legged kittiwakes (Rissa brevirostris) pair with chick at nest on narrow cliff ledge, one adult is preening the chick while the other is calling, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Red-legged kittiwakes (Rissa brevirostris) pair defending their nest and large chick from an intruder, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Red-legged kittiwakes (Rissa brevirostris) pair defending their nest from an intruder, with parent mantling over chick for protection, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Group of Red-legged kittiwakes (Rissa brevirostris) perched on a rock along the shore, two calling as another flies overhead, with a Black-legged kittiwake (Rissa tridactyla) perched behind, St. Paul,...

Marie Read / Group of Red-legged kittiwakes (Rissa brevirostris) adults in breeding plumage, perched on a rock in water, two calling aggressively as an immature Kittiwake lands between them, St. Paul, Pribilof Isl...

Marie Read / Red-legged kittiwake (Rissa brevirostris) in breeding plumage perched on narrow cliff ledge, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Two Red-legged kittiwakes (Rissa brevirostris) in breeding plumage, perched on a rock in water, one calling and raising wings aggressively at the other, St. Paul, Pribilof Islands, Alaska, USA. August...

Marie Read / Red-legged kittiwake (Rissa brevirostris) in breeding plumage perched on rock, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Three Red-legged kittiwakes (Rissa brevirostris) and a Black-legged kittiwake (Rissa tridactyla) perched on a rock along the shore, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Group of Parakeet auklets (Aethia psittacula) perched on rock ledge, competing for space to roost, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Pacific wren (Troglodytes pacificus) Bering Sea race, male, perched on Cow parsnip (Heracleum maximum) singing, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Parakeet auklet (Aethia psittacula) in flight over water, with a bulging throat pouch, full of food for chicks, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Horned puffin (Fratercula corniculata) resting on small ledge amid yellow lichen-encrusted rocks, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Group of Horned puffins (Fratercula corniculata) perched on cliff face, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Group of Horned puffins (Fratercula corniculata) perched on cliff face, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Crested auklets (Aethia cristatella) pair interacting while perched on lichen-covered rocks, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Crested auklets (Aethia cristatella) pair interacting while perched on lichen-covered rocks, St. Paul, Pribilof Islands, Alaska, USA. July.

Marie Read / Pribilof Islands arctic fox (Vulpes lagopus pribilofensis) blue morph cub, licking its lips while feeding on dead seabird, St. Paul, Pribilof Islands, Alaska, USA. August.

Marie Read / Pribilof Islands arctic fox (Vulpes lagopus pribilofensis) blue morph cub, feeding on dead Murre (Uria sp.), St. Paul, Pribilof Islands, Alaska, USA. July.

Joel Sartore / Photo Ark / Galapagos tortoise (Chelonoidis niger) juvenile, head portrait, Parque de las Leyendas, Peru. Captive, occurs in Galapagos Islands.

Joel Sartore / Photo Ark / Galapagos tortoise (Chelonoidis niger) juvenile, head portrait, Parque de las Leyendas, Peru. Captive, occurs in Galapagos Islands.

Doug Perrine / Haleakala silversword / Ahinahina (Argyroxiphium sandwicense macrocephalum) in bloom at night with stars visible in the sky above, Haleakala National Park, Maui, Hawaii. Critically endangered.

Doug Perrine / Knobby sea stars (Pentaceraster cumingi) aggregating on seabed, probably gathering for mating, Makako Bay, North Kona, Hawaii, Pacific Ocean.

Doug Perrine / Knobby sea stars (Pentaceraster cumingi) aggregating on seabed, probably gathering for mating, Makako Bay, North Kona, Hawaii, Pacific Ocean.

Doug Perrine / Mauna Kea silversword / Ahinahina (Argyroxiphium sandwicense sandwicense) in flower on slopes of MaunaKea volcano at sunset, Big Island, Hawaii. Critically endangered.

Doug Perrine / Knobby sea stars (Pentaceraster cumingi) aggregating on seabed, probably gathering for mating, Makako Bay, North Kona, Hawaii, Pacific Ocean.

Doug Perrine / Mauna Kea silversword / Ahinahina (Argyroxiphium sandwicense sandwicense) in flower on slopes of MaunaKea volcano at sunset, Big Island, Hawaii. Critically endangered.

Doug Perrine / Mauna Kea silversword / Ahinahina (Argyroxiphium sandwicense sandwicense) in flower, close up of blossom, MaunaKea volcano, Big Island, Hawaii. Critically endangered.

Doug Perrine / Mauna Kea silversword / Ahinahina (Argyroxiphium sandwicense sandwicense) in flower on the slopes of MaunaKea volcano, The Big Island, Hawaii. Critically endangered.

Doug Perrine / Hawaiian long-armed sand octopus (Thaumoctopus, Abdopus, or Macrotritopus sp.) unidentified species possibly endemic to Hawaii, swimming by jet propulsion, jetting water through its funnel, Honokohau,...

Doug Perrine / Group of Freckled driftfish (Psenes cyanophrys) swimming alongside tentacles of Pelagic jellyfish (Thysanostoma sp.), Pawai Bay, North Kona, Hawaii, Pacific Ocean.

Doug Perrine / Hawaiian long-armed sand octopus (Thaumoctopus, Abdopus, or Macrotritopus sp.) unidentified species possibly endemic to Hawaii, pair displaying mating behaviour, dark maroon colour pattern around eyes...

Doug Perrine / Hawaiian long-armed sand octopus (Thaumoctopus, Abdopus, or Macrotritopus sp.) unidentified species possibly endemic to Hawaii, perched above its burrow with eyes raised for viewing its surroundings,...

Doug Perrine / Pelagic jellyfish (Thysanostoma sp.) swimming in open water accompanied by group of Freckled driftfish (Psenes cyanophrys), Pawai Bay, North Kona, Hawaii, Pacific Ocean.

Doug Perrine / Hawaiian long-armed sand octopus (Thaumoctopus, Abdopus, or Macrotritopus sp.) unidentified species possibly endemic to Hawaii, perched on tips of arms, Honokohau, North Kona, Big Island, Hawaii, Paci...