Michael Pitts / Saltwater crocodile underwater {Crocodylus porosus} Kakadu NP, NT, Australia

Michael Pitts / Hawaiian monk seal caught in fishing tackle off Kure Atoll, Pacific Ocean. The seal was subsequently freed and released by the photographer.

Michael Pitts / Tracking shot over bleached Table coral (Acropora), Maldives, Indian Ocean.

Michael Pitts / Giant manta ray (Manta birostris) swimming over a cleaning station, Maldives, Indian Ocean.

Michael Pitts / Fan coral (Gorgonacea), Maldives, Indian Ocean.

Michael Pitts / Tracking shot over the bow of a sunken shipwreck, Maldives, Indian Ocean.

Michael Pitts / Maldives clownfish (Amphiprion nigripes) chasing juveniles, with anemones (Actiniaria) in the background, Maldives, Indian Ocean.

Michael Pitts / Green turtle (Chelonia mydas) swimming over a reef, Maldives, Indian Ocean.

Michael Pitts / Schooling bannerfish (Heniochus diphreutes), Maldives, Indian Ocean.

Michael Pitts / Anemones (Actiniaria) with Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) moving in a strong current, Maldives, Indian Ocean.

Michael Pitts / Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) swimming in a strong current, with moving anemones (Actiniaria), Maldives, Indian Ocean.

Michael Pitts / Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) swimming in a strong current, with moving anemones (Actiniaria), Maldives, Indian Ocean.

Michael Pitts / British Admiralty anchor - mid 1750's - possibly from the wreck of HMS Colossus - wrecked 1798. St Mary's Roads. Isles of Scilly. England, UK, August 2013.

Michael Pitts / Diver Ron Howse ascending the shot line in Lyme Bay, off Portland Bill, Dorset, England, UK, September 2010. Model released.

Michael Pitts / Gentoo penguins (Pygoscelis papua) calling and defending their eggs from Southern Skua (Stercorarius antarcticus) hunting for unattended eggs or chicks, Sea Lion island, The Falklands, South Atlantic.

Michael Pitts / Green Turtle (Chelonia mydas) hatchling swimming out to deep water from Karan Island, Saudi Arabia, Arabian Gulf.

Michael Pitts / Green Turtle (Chelonia mydas) Hatchling swimming out to deep water from Karan Island after being released from boat. Saudi Arabia. Arabian Gulf.

Michael Pitts / Devil rays (Mobula japonica) viewed from below, South Ari atoll, Maldives.

Michael Pitts,Michael Pitts / DC-3 Aircraft wreck. Drug running aircraft that crashed in shallow water. Normans Cay, Exhumas, Bahamas. May 2005

Michael Pitts,Michael Pitts / Engine room ventilator shafts of oil tanker 'Seiko Maru'. Sunk in Chuuk Lagoon 17/18th February 1944, Chuuk Lagoon, Pacific

Michael Pitts / Lake Assal shoreline - Africas lowest point at 515 feet below sea level, Djibouti, , March 2008

Michael Pitts / Mike de Gruy, underwater camerman, in Remora submersible, Mediterranean

Michael Pitts / Bicolour parrotfish (Cetoscarus bicolor) sleeping at night, Red Sea.

Michael Pitts,Michael Pitts / Divers on the wreck of the tugboat, 'Tienstin'. Abu Galawa, Red Sea, July 2010

Michael Pitts / Green sea turtles (Chelonia mydas) mating turtles. Karan Island, Arabian Gulf.

Michael Pitts / Cameraman Michael Pitts filming Green turtle (Chelonia mydas) Karan Island. Arabian Gulf, June 2009

Michael Pitts,Michael Pitts / Wreck of Aichi E13A, Japanese World War Two float plane, sunk by American fighters, Solomon Islands.

Michael Pitts,Michael Pitts / Coconut palms (Cocos nucifera) with the moon rising, Tobago, Caribbean.

Michael Pitts,Michael Pitts / Sooty Terns (Onychoprion fuscata) flock in flight, Midway Island. Central Pacific.

Michael Pitts,Michael Pitts / Spinner dolphins (Stenella longirostris) small pod in within Midway atoll, Midway, Pacific.

Michael Pitts,Michael Pitts / Portuquese man o' war (Physalia physalis) colonial siphophore, Tobago, Caribbean.

Michael Pitts,Michael Pitts / Coral wall with Anthiinae schooling fish, Red Sea

Michael Pitts / Diver on the wreck of the US Submarine tender USS Macaw, sunk in the World War II due to a navigation error, Midway atoll, Pacific Ocean. Model released.

Michael Pitts / Eastern Island showing the WW2 airstrip which was used to launch the initial attack on the Japanese fleet for the Battle of Midway, Midway, Central Pacific.

Michael Pitts,Michael Pitts / Aerial of Kossol Passage, Kossol Reef, Palau Islands, North Pacific Ocean.

Neil Lucas / Cameraman Mike Pitts, diving for BBC Filming 'Life' The Bahamas, Caribbean, February 2007, Model released

Michael Pitts / Bull Elephant seal (Mirounga sp) portrait with penguin walking along beach, St Andrews Bay, South Georgia

Michael Pitts / Southern giant petrel (Macronectes giganteus) head covered in blood feeding on carcass of an Elephant seal pup, with a penguin colony in the distance, St Andrews Bay, South Georgia

Michael Pitts / Malayan pangolin / Scaly anteater {Manis javanica} in tree, Komodo Island, Indonesia

Michael Pitts / Wreck of tugboat ''Blue Plunder'', Nassau, Bahamas. One year after sinking. July 2008.

Michael Pitts / Wreck of tugboat ''Blue Plunder'' at night off Nassau, Bahamas. January 2008.

Michael Pitts / Caribbean reef sharks (Carcharhinus perezi) at night on wreck of the "'Ray of Hope'', Bahamas. July 2008.

Michael Pitts / Hydroids growing on hull of tugboat ''Blue Plunder'' wreck, Nassau, Bahamas. July 2008.

Michael Pitts / Kittiwake {Rissa tridactyla} flying over arctic ice cap

Michael Pitts / Southern elephant seal {Mirounga leonina} juvenile swimming underwater, Sealion island, Falkland Islands

Michael Pitts / Southern elephant seal {Mirounga leonina} defense behaviour, Sealion island, Falkland Islands

Michael Pitts / Basking shark {Cetorhinus maximus} feeding with mouth wide open, off Cornwall, UK

Michael Pitts / Lighthouse at dusk in the Gulf of Gujarat, North West India

Michael Pitts / Common Iguana {Iguana iguana} clinging to floating tree branch, Eastern Seaboard of Panama

Michael Pitts / Looking up at Three toed / Pale throated sloth {Bradypus tridactylus} swimming across mangrove channel, South America

Michael Pitts / Aerial view of Seventy Islands, Palau, Micronesia

Michael Pitts / Spotted moray eels {Gymnothorax moringua} amongst soft coral

Michael Pitts / Mast light of Japanese WWII ship, which has formed an artificial reef in the Marovo lagoon, Solomon Islands

Michael Pitts / Mastigias jellyfish {Mastigias sp.} massed at surface, Palau, Western Pacific Islands

Michael Pitts / Diver amongst Mastigias jellyfish {Mastigias sp.} Palau, Western Pacific Islands

Michael Pitts / Ladies veil stinkhorn fungus {Phallus indusiatus} Sumatra, Indonesia

Michael Pitts / Aerial view of Outer Rock Islands, Palau, Melanesia, pacific ocean islands

Michael Pitts / Interior of shipwreck of Japanese Whaling Ship sunk in WWII, 1943, Borneo

Michael Pitts / Shoal of Blackfin barracuda {Sphyraena quenie} Walindi, West New Britain, Pacific

Michael Pitts / Aerial view of runways on Sand Island, Midway Islands, Pacific

Michael Pitts / Pouting/Bib (Trisopterus luscus) Channel Islands, UK

Michael Pitts / Jellyfish (Cephea cephea) Micronesia, Pacific Ocean

Michael Pitts / Aerial view of Brus Lagoon (on left) and Caribbean coast, Mosquitio coast, NE Honduras, Central America 2006

Michael Pitts / Aerial view of cruise ship, M/V Crystal Symphony, passing through the Panama canal, heading towards Mira Flores Locks, Panama 2005 2006

Michael Pitts / Aerial view of island with Coconut palm trees, San Blas Islands, Caribbean coast, Panama 2006

Michael Pitts / White lipped tree frog {Litoria infrafrenata} Papua New Guinea

Michael Pitts / Shoal of Hawaiian squirrelfish {Sargocentron xantherythrum}, Midway Islands, Pacific

Michael Pitts / Mastigias jellyfish {Mastigias sp.} Palau, Western Pacific Islands

Michael Pitts / Corbiere lighthouse at sunset, Jersey, Channel Islands

Michael Pitts / Aerial view of coastal island covered with coconut palms, San Blas islands, Panama, Caribbean Sea

Michael Pitts / Aerial view of island with coconut palms, San Blas, Panama, Caribbean Sea

Michael Pitts / Oceanic whitetip shark {Carcharhinus longimanus} and Pilotfish {Naucrates ductor} Red Sea.

Michael Pitts / Aerial view of coastal waters, islands and reefs off Exhumas islands, The Bahamas, Caribbean sea

Michael Pitts / Black kite {Milvus migrans} flying beside A320 Airbus aeroplane, Hong Kong, China

Michael Pitts / Pouting/Bib {Trisopterus luscus}. Channel Islands, UK.

Michael Pitts / Pouting / Bib {Trisopterus luscus} Channel Islands, UK

Michael Pitts / Short finned pilot whale pod {Globicephala macrorhynchus} Mediterranean

Michael Pitts / Tube nosed fruit bat {Nyctimene albiventer} Papua New Guinea

Michael Pitts / Giant clam mantle {Tridacna gigas} and siphon, Palau, Micronesia

Michael Pitts / Oceanic whitetip shark {Carcharhinus longimanus} + Pilotfish {Naucrates ductor} Red Sea.

Michael Pitts / Longspine squirrelfish {Holocentrus rufus} on the wreck of the SS Rhone, British Virgin Is, Caribbean.

Michael Pitts / Oceanic whitetip shark {Carcharhinus longimanus} + Pilotfish {Naucrates ductor} Red Sea.

Michael Pitts / Mastigias jellyfish {Mastigias sp.} Palau, Western Pacific Islands

Michael Pitts / Honeycomb moray eel {Gymnothorax favagineus} Indonesia

Michael Pitts / Galapagos shark {Carcharhiinus galapagensis} Pacific

Michael Pitts / Two Longfin spadefish {Platax teira} Arabian gulf

Michael Pitts / Bare backed fruit bats flying from cave {Dobsonia sp} Ornozu, Papua New Guinea

Michael Pitts / Hawaiian monk seal {Monachus schauinslandi} Pacific

Michael Pitts / Bismark fruit bat {Pteropus capistratus} Papua New Guinea

Michael Pitts / Brain coral on coral reef Great Barrier Reef, Australia.

Michael Pitts / Tiger shark {Galeocerdo cuvieri} South Africa, Atlantic. NB stripes

Michael Pitts / Chain of fluorescent tunicates {Salpa maxima} off Komodo Is, Indonesia

Michael Pitts / Ama Dablam, Mount Everest NP, Nepal

Michael Pitts / Jomson Pass, Anaphma Range, Nepal, Indian-Subcontinent.

Michael Pitts / Longnose hawkfish {Oxycirrhites typus} on fan coral, Papua New Guinea

Michael Pitts / Pacific manta ray {Manta alfredi} Yap, Micronesia