Steven Kazlowski / Two curious young Polar bears (Ursus maritimus), Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011

Doug Perrine / Bryde's whale {Balaenoptera brydei / edeni} with throat pleats expanded after feeding on baitball of Sardines {Sardinops sagax} off Baja California, Mexico, Eastern Pacific Ocean. Veolia Environnement...

Floris van Breugel / Tiny thimble jellyfish (Linuche unguiculata) drift with the current in the calm turquiose waters of a lagoon in Ofu, American Samoa. The window of sky is called Snell's Window, caused by refraction of...

Jeff Rotman / Whitetip reef sharks (Triaenodon obesus) pack silhouetted following scent trail in water column, Cocos Island, Costa Rica, Pacific Ocean

Alex Mustard / Whale shark (Rhincodon typus) silhouette of shark feeding on floating fish eggs (not visible) just below the surface in calm weather, with snorkeller taking photos nearby, Isla Mujeres, Quintana Roo,...

Alex Mustard / Whale shark (Rhincodon typus) silhouette, feeding on floating fish eggs (not visible) just below the surface in calm weather. Note the bow wave ahead of the shark. Isla Mujeres, Quintana Roo, Yucatan...

Luiz Claudio Marigo / Jequitiba rosa tree (Cariniana legalis) Tableland Atlantic Rainforest of Vale Natural Reserve, municipality of Linhares, Esparito Santo State, Eastern Brazil, January 2012.

Alex Mustard / 2020VISION / Looking up through water at boy dipping in a rock pool with a shrimping net. Falmouth, Cornwall, England, UK. Model released, July

Todd Mintz / Dense shoal of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Alex Mustard / Caribbean spiny lobster (Panulirus argus) scampers across a coral reef amongst sponges, Bloody Bay Wall, Little Cayman, Cayman Islands. British West Indies, Caribbean Sea.

Alex Mustard / Circular fisheye photograph of a colourful coral reef with silhouetted diver, East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. Model released

Alex Mustard / Spotted porcupinefish (Diodon hystrix) swimming in open water above a coral reef, West Bay, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Todd Mintz / Galapagos sealion underwater (Zalophus californianus wollebaeki) Galapagos Islands, Pacific Ocean, November

Pete Oxford / Caribbean reef shark (Carcharhinus perezi) Jardines de la Reina National Park, Cuba

Linda Pitkin / 2020VISION / Mute Swan (Cygnus olor) swimming in harbour, viewed from underwater, St Abbs (St Abbs and Eyemouth Voluntary Marine Reserve), Berwickshire, Scotland, UK, October 2011. Did you know? In Scotland and Ir...

Nuno Sa / Blue Shark (Prionace glauca) near sea surface and divers in background. Santa Maria, Azores, September.

Doug Allan / Icefish (Chaenocephalus aceratus) Signy Island, South Orkney Islands, Antarctica, Freeze Frame book plate page 92

Alex Mustard / 2020VISION / Snorkellers viewed from below, Kimmerage Bay, Dorset, UK, August

Alex Mustard / 2020VISION / View up through tidepool of 2020Vision young photographer, Bertie Gregory, Falmouth, Cornwall, UK, July 2011. Model released. Did you know? Life isnt easy in a rock pool! Animals here must deal with c...

Alex Mustard / 2020VISION / A snorkeller in shallow, sunny waters, Man O War Bay, Jurassic Coast, Dorset, UK, August. Model released.

Georgette Douwma / Soft coral and other invertebrates growing on mangrove roots (Rhizophora sp.) on the edge of coral reef. Raja Ampat, Indonesia.

Juergen Freund / Crinoids or featherstars covering a coral bommie with dive boat looming overhead, West New Britain, Papua New Guinea

Juergen Freund / Manta rays (Manta birostris) at cleaning station being cleaned by wrasses, Moluccas Islands, Indonesia.

Juergen Freund / Hook and line fishermen in dugout canoe and self made goggles catching a coral grouper for growing on in cage for the Live reef fish trade, Wakatobi, South Sulawesi, Indonesia

Juergen Freund / View of sea surface through a Whip coral forest (Junceella sp) Kimbe Bay, West New Britain, Papua New Guinea

Juergen Freund / Siltation underwater from a river after the rains with diver, Papua New Guinea

Juergen Freund / Horsehoe crab (Tachypleus gigas) underside, Palawan, Philippines

Juergen Freund / Light streaming into a shallow cave in a dive site called The Passage, with a diver swimming up towards the foliage visible above. North Raja Ampat, West Papua, Indonesia, February 2010. Model release...

Juergen Freund / West Papuan fishermen in their outrigger houseboat over the shallow reef. North Raja Ampat, West Papua, Indonesia, February 2010

Juergen Freund / Local fishermen capturing a sea turtle for food, Kei islands, Moluccas, Indonesia, November 2009

Juergen Freund / Split-level shot of a shallow coral reef and house on stilts. North Raja Ampat, West Papua, Indonesia, February 2010

Juergen Freund / Feather star (Crinoidea) underside. Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / Sargassum seaweed (Sargassum sp) floating on the sea surface, Palawan, Philippines, May

Juergen Freund / Jewelmer Pearlfarm, newly cleaned Pearl oysters (Pinctada maxima) hanging in nets from rafts waiting to be relocated to open sea, Palawan, Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm, cleaned Pearl oysters (Pinctada maxima) in hanging cages, being relocated to the open sea, Palawan, Philippines, May 2009

Juergen Freund / Giant trevally (Caranx ignobilis) chasing shoal of Oxeye Scads (Selar boops) in the house reef of Miniloc Island Resort, El Nido, Palawan, Philippines

Juergen Freund / Silhouette of an outrigger dugout canoe seen from underwater. North Raja Ampat, West Papua, Indonesia, February

Alex Mustard / A silhouette of a California sealion pup (Zalophus californianus) next to cliffs. Los Isotes, La Paz, Mexico. Sea of Cortez, East Pacific Ocean.

Bryan and Cherry Alexander / Commercial fisherman removing Atlantic salmon (Salmo salar) from stake net. St Cyrus Bay, Scotland, 1982.

Alex Mustard / Female Grey seal (Halichoerus grypus) approaching a snorkeller's fins, Lundy Island, Devon, England, UK, North East Altantic Ocean. July 2010. Model released

Alex Mustard / Caribbean reef shark (Carcharhinus perezi) swims over a coral reef. Grand Bahama Island, Bahamas. Tropical West Atlantic Ocean.

Alex Mustard / Caribbean reef shark (Carcharhinus perezi) swimming over a coral reef, beneath a snorkeler and boat. Near Grand Bahama, Bahamas. Tropical West Atlantic Ocean.

Alex Mustard / Low angle image of Caribbean reef shark (Carcharhinus perezi) at the surface. Grand Bahama, Bahamas. Tropical West Atlantic Ocean.

Alex Mustard / A large Great hammerhead shark (Sphyrna mokarran), about 4m in length, cruises overhead. Bahamas, Tropical West Atlantic Ocean.

Tim Laman / Lionfish (Pterois) hovering in a Sea Fan in a view looking toward the surface of the water. Misool Island vicinity. Near smaller island of Fiabacet. West Papua, Indonesia, April 2007

Alex Mustard / Two Atlantic spotted dolphins (Stenella frontalis) over a shallow sand bank. On the left is a juvenile which does not have the characteristic spots of the adults. The adult is carrying a piece of weed...

Solvin Zankl / As soon as it entered the water the young Olive ridley sea turtle (Lepidochelys olivacea) struggles against the swell to swim away from the coast. The swimming frenzy lasts for approximately 48 hours...

Sue Daly / Plastic bag floating in the sea, resembling a jellyfish swimming Dangerous to sea turtles

Georgette Douwma / Large shoal of Horse mackerel (Megalaspis cordyla) schooling. Rinca, Komodo National Park, Indonesia.

Jeff Rotman / Blacktip shark (Carcharhinus limbatus) with symbiotic Pilot fish (Naucrates ductor) swimming below, Cocos island, Costa Rica - Pacific ocean.

Jeff Rotman / Tiger shark (Galeocerdo cuvier) demonstrating aggressive behavior, Red Sea, Egypt

Jeff Rotman / Free diver exploring blue water beside coral reef, Sinai, Egypt, Red Sea Model released Model released.

Miles Barton / Dubai harbour and city with skyscrapers under construction, Dubai, United Arab Emirates, February 2010

Juergen Freund / Boat at surface tracking Nautilus movements with a mobile receiver, off Queensland, Australia, 2007

Juergen Freund / Fred Gurgel organizing his algae / seaweed specimens, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Jurgen Freund / Jo Browne and Kade Mills use a cylinder cone shaped plankton net to sample gelatinous zooplankton for Coral Reef census, Lizard Island, Queensland, Australia, April 2008. Not released

Sven Zacek / Herring gull (Larus argentatus) in flight, viewed from directly below. Atlantic ocean, Flatanger, Norway, Scandinavia.

Doug Allan / Humpback whale (Megaptera novaeangliae) swimming below a whale watching boat, Sue Flood, photographer in boat, Vava'u, Kingdom of Tonga, South Pacific, September 2006, Model released

Doug Allan / Humpback whale (Megaptera novaeangliae) mother and calf, female with Remoras on underside, Vava'u, Kingdom of Tonga, South Pacific, September. Not available for ringtone/wallpaper use.

Wild Wonders of Europe / Lundgren / True jelly fish (Pelagia noctiluca) Pico, Azores, Portugal, June 2009

Wild Wonders of Europe / Zankl / Atlantic bluefin tuna (Thunnus thynnus) shoal, captive, Malta, Mediteranean, May 2009 WWE BOOK & OUTDOOR EXHIBITION. PRESS IMAGE.

Wild Wonders of Europe / Zankl / Newly hatched Loggerhead turtle (Caretta caretta) swimming, Dalyan Delta, Turkey, August 2009

Wild Wonders of Europe / Zankl / Newly hatched Loggerhead turtle (Caretta caretta) swimming in sea, Dalyan Delta, Turkey, July 2009

Graham Eaton / Grey Seal (Halichoerus grypus) head above water surface, Wales, UK, September

Wild Wonders of Europe / Zankl / Spiny spider crab (Maja squinado) on seaweed, Malta, Mediteranean, May 2009

Wild Wonders of Europe / Lundgren / Ratfish / Ghost shark (Chimaera monstrosa) showing underside, Trondheimsfjorden, Norway, November 2006 WWE BOOK PLATE.

Tim Laman / Sponges, tunicates and other invertebrates amongst the roots of Red Mangrove trees {Rhizophora mangle} in the Belize Cays, Tunicate Cove, Belize.

Wild Wonders of Europe / Lundgren / Anglerfish (Lophius piscatorius) underside, Saltstraumen, Bod, Norway, October 2008

Wild Wonders of Europe / Lundgren / Anglerfish (Lophius piscatorius) Saltstraumen, Bod, Norway, October 2008

Wild Wonders of Europe / Pitkin / Dusky grouper (Epinephelus marginatus) 'Merouville' ('grouper City') Lavezzi Islands, Corsica, France, September 2008

Juergen Freund / File Shell (Limacacea) swimming, Indo-pacific

Juergen Freund / Looking up at a Saltwater crocodile (Crocodylus porosus) swimming at water surface, New Guinea, Indo-pacific

Andy Rouse / Black-browed albatross (Thalassarche melanophrys) flying over coastal habitat, Falkland Islands

Luis Quinta / Looking up at Purple stinger / jellyfish {Pelagia noctiluca} close to the surface, Azores, Atlantic

Doug Perrine / Green turtle swimming, high angle shot {Chelonia mydas} Sipadan Is, Malaysia

Anup Shah / Celebes / Black crested macaque (Macaca nigra) s licking drift wood on the beach for the salt, Tangkoko National Park, Sulawesi, Indonesia.

Nick Upton / Wide angle view of Rayed trough shell (Mactra stultorum), partially buried in sand with siphons visible exposed on a low spring tide, with the sea in the background, Rhossili, The Gower peninsula, Wal...

Nick Upton / Wide angle view of Rayed trough shell (Mactra stultorum), partially buried in sand with siphons visible exposed on a low spring tide, with the sea in the background. Rhossili, The Gower peninsula, Wal...

Nick Upton / Wide angle view of Rayed trough shell (Mactra stultorum), partially buried in sand exposed on a low spring tide, with people in the sea in the background. Rhossili, The Gower peninsula, Wales, UK, Jul...

Linda Pitkin / 2020VISION / Blue jellyfish (Cyanea lamarckii), Porthkerris Cove, Cornwall, England, UK, June

Alex Mustard / A common cuttlefish (Sepia officinalis) below the surface in shallow water, Xlendi Bay, Gozo Island, Malta, Mediterranean Sea.

Nick Upton / Low angle view of Tangleweed kelp (Laminaria digitata) fronds and stems exposed on a low spring tide, Crail, Fife, UK, July

Steven Kazlowski / Two young Polar bears (Ursus maritimus) during the autumn freeze up, Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011

Alex Mustard / Trumpetfish (Aulostomus maculatus) hiding amongst the branches of a Porous sea rod (Pseudoplexaura sp) as it hunts for its prey of small fish, East End, Grand Cayman, Cayman Islands, British West Indi...

Alex Mustard / 2020VISION / 2020VISION team videographer, Raymond Besant, filming underwater with an improvised pole-cam, while 2020VISION team photographer Chris Gomersall looks on. Cairns of Coll, Island of Coll, Inner Hebride...

Alex Mustard / 2020VISION / Looking up through water at suface of the sea on a sunny, summer's day, Whitesands Bay, Cornwall, England, UK, English Channel, July

Alex Mustard / 2020VISION / Children enjoying dipping in rockpools at low tide in Falmouth, Cornwall, England, UK, July, all model released.

Alex Mustard / 2020VISION / Female Grey seal (Halichoerus grypus) hauled out onto rocks at the base of cliffs, above Thongweed / Spaghetti seaweed (Himanthalia elongata). This female has some fishing line wrapped around her nec...

Alex Mustard / 2020VISION / Moon jellyfish (Aurelia aurita) in sea loch, Loch Long, Scotland, UK, April

Shibai Xiao / Reef stonefish (Synanceja verrucosa) trapped in a fishing net, Hainan Island, China.

Todd Mintz / Bar Jack (Caranx ruber) predating on dense school of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Bar Jack (Caranx ruber) predatingdense school of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Bar Jack (Caranx ruber) predating dense school of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Sea kelp (Nereocystis luetkeana) with Rock Fish, Port Hardy, British Columbia, Canada.

Alex Mustard / Portuguese man-of-war (Physalia physalis) washed up on a beach, West Palm Beach, Gulf Stream, West Atlantic Ocean, Florida, USA.

Alex Mustard / Goliath grouper (Epinephelus itajara) on a rich coral reef with a diver swimming alongside, Bloody Bay Wall, Little Cayman, Cayman Islands, British West Indies, Caribbean Sea.