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A large Napoleon wrasse swimming over a coral reef, Red Sea.
Crinoid in Raja Ampat, Indonesia.
Goby on coral, Australia.
Black Anemonefish, Fiji.
Adult green sea turtles (Chelonia mydas agassizii) underwater off the west side of Isabela, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
A red, white and yellow Christmas tree worm (Spirobranchus giganteus), on coral, Curacao.
Goldentail moray eel (Gymnothorax miliaris), in coral reef, Curacao.
Chain moray eel (Echidna catenata), in coral reef, Curacao.
Christmas tree worms (Spirobranchus giganteus) on brain coral, Saint Croix, U.S. Virgin Islands.
A hawksbill sea turtle (Eretmochelys imbricata) feeds on sponge and an angelfish follows for scraps in Cozumel, Mexico.
A colorful reef scene with sunburst at Cozumel, Mexico.
Diver and boat above black coral bushes in French Cay, Turks and Caicos.
Multiple christmas tree worms, Curacao.
Pufferfish swimming by star coral, Nassau, The Bahamas.
A diver approaches a beautiful gorgonian sea fan, Cayman Islands.
Hawksbill sea turtle and gray angelfish by coral reef, USS Kittiwake, Grand Cayman.
A Sheepshead looks on as a pair of Blue Angelfish appear to be confused on which direction to go but each are feeding on different parts of coral and algae covered jetty rocks at St. Andrew Bay channel wall in Panama City Beach, Florida.
Pink anemonefish (Amphiprion perideraion) guard their anemone on a coral reef in the South Pacific ocean near Tavarua Island off the coast of Veti Levu, Fiji.
Golden Damselfish (Amblyglyphidodon aureus) and other schooling fish swim around the coral head topped with Elkhorn Coral in the South Pacific ocean near Tavarua Island offshore from Liti Levu, Fiji.
A Spotfin Lionfish flares it's dorsel spines and fins to display threat while laying on a colorful reef at night in the warm clear waters of Papua New Guinea. Lionfish float fearlessly around the reef as they are also one of the most venomous residents there.
A large Southern Stingray (Dasyatis americana), lays motionless covered in sand but ready to fly away with wing tips slightly elevated above the sand, alongside a coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A French Angelfish (Pomacanthus paru) swims up close to a Blue Striped Grunt (Haemulon sciurus) under a coral reef ledge in the Atlantic Ocean off the coast of Key Largo, Florida.
Plate coral (Acropora hyacinthus) Beqa Lagoon, Fiji.
Red tree coral on a Fijian reef.
Red tree coral (Dendronephthya) on a Fijian reef.
A tropical fish with gorgonian in background, Fiji.
Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.
Close-up of a whip coral goby, Beqa Lagoon, Fiji.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Porcelain Crab on its anemone, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
A school of orange basslets (Pseudanthias squamipinnis) on a healthy Fijian reef full of hard and soft corals, Fiji.
Fijian dive guide feeds a school of Scissortail Sergeant Major fish, Fiji.
Sharknose Goby sits on some hard coral, Bonaire, Caribbean Netherlands.
Close-up view of a Goldentail Moray Eel, Bonaire, Caribbean Netherlands.
Diver looks on at sponges, coral and crinoids in a colorful Komodo seascape, taken at Cannibal Rock, Horseshoe Bay, Komodo National Park, Indonesia.
Diver looks on at sponges, pink soft corals and crinoids in a colorful Komodo seascape, Komodo National Park, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Indonesia.
Coral Reefs Monument at the waterfront of San Miguel de Cozumel, Cozumel Island, Quintana Roo State, Mexico
Underwater photo taken during the Palancar Gardens, El Cielito and Colombia Deep Reef Snorkelling Tour, Cozumel Island, Quintana Roo State, Mexico
Sea Star seen during the Palancar Gardens, El Cielito and Colombia Deep Reef Snorkelling Tour, Cozumel Island, Quintana Roo State, Mexico
Underwater photo taken during the Palancar Gardens, El Cielito and Colombia Deep Reef Snorkelling Tour, Cozumel Island, Quintana Roo State, Mexico
Underwater photo taken during the Palancar Gardens, El Cielito and Colombia Deep Reef Snorkelling Tour, Cozumel Island, Quintana Roo State, Mexico
Snorkeler with moon jellyfish (Aurelia sp), in Jellyfish Lake, located on Eil Malk island, Rock Islands, Palau, Micronesia, Pacific
Underwater marine life on coral reefs, Thailand
Underwater marine life on coral reefs, Thailand
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Horse-eye jacks (Caranx latus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse shark (Ginglymostoma cirratum), with boat in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse shark (Ginglymostoma cirratum), on the sand in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus), with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), on the reef near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Underwater view of of the reef system at Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize
A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
A profusion of hard and soft coral with a giant clam underwater on Tengah Besar Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
A school of batfish (Platax orbicularis) on Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
Man scuba diving while exploring the coral reefs of Bonaire, Netherlands Antilles, Caribbean, Central America
Couple scuba diving while exploring the coral reefs of Bonaire, Netherlands Antilles, Caribbean, Central America
Aerial view of Balos Lagoon, Balos Beach and Cape Tigani, Gramvousa Peninsula, Chania Region, Crete, Greek Islands, Greece, Europe
A tiny cleaner shrimp removes parasites from a Black-finned snake eel (Ophichthus cephalozona) on a sandy seafloor in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.
A school of big-eye jacks (Caranx sexfasciatus) above a coral reef in the Solomon Islands. This region is known for its healthy fish populations.
Detail of anchor coral tentacles (Euphyllia sp.) growing on a reef in Indonesia. This area is known for its high marine biodiversity.
A tube anemone (Cerianthid sp.) feeds on planktonic organisms on a sand slope in Indonesia.
A blue starfish (Linckia laevigata) clings to a coral reef in Komodo National Park, Indonesia.
A West Indian starfish (Oreaster reticulatus) crawls slowly across a sand and seagrass seafloor in Turneffe Atoll, Belize. This part of Central America is well known for its clear waters and beautiful coral reefs.
A diverse array of corals grow in Raja Ampat, Indonesia. This beautiful region is known for its spectacular reefs and high marine biodiversity.
Colorful gorgonians and reef-building corals grow in shallow water near the famous Blue Hole in Belize. This part of Central America is well known for its clear waters and beautiful coral reefs.
A crown-of-thorns starfish (Acanthaster planci) feeds on coral near Cocos Island, Costa Rica.
A live sundial shell (Architectonica perspectiva) crawls across the seafloor in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
Detail of a mushroom coral (Fungia sp.) on a reef in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
Fast-growing corals (Acropora sp.) are being grown by scientists in the Caribbean Sea. Once they reach a certain size they will be planted on a reef that has been previously damaged.
A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.
A beautiful and healthy coral reef grows in Komodo National Park, Indonesia.
A beautiful set of corals grows in extremely shallow water in Komodo National Park, Indonesia.
An ornate ghost pipefish (Solenostomus paradoxus) hovers above a coral reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.
Detail of a mushroom coral (Fungia sp.) on a reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.
Limestone islands surround a beautiful lagoon in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.
Colorful reef fish, mainly Scalefin anthias (Pseudanthias squamipinnis), swim above a beautiful set of corals growing near Alor in the Lesser Sunda Islands of Indonesia.
A beautiful coral colony (Heliopora sp.) grows in Komodo National Park, Indonesia.
Beautiful soft corals (Dendronephthya sp.) grow on the edge of a channel in Raja Ampat, Indonesia.
A beautiful coral reef grows near an island in the Banda Sea, Indonesia.
A beautiful coral reef grows near an island in the Banda Sea, Indonesia. This remote and historic region, known previously for the Spice Islands, harbors extraordinary marine biodiversity.
Abstract of the mouth of a Trachyphyllia coral growing in Lembeh Strait, Indonesia.
Detail of an anchor coral (Euphyllia ancora) growing in Lembeh Strait, Indonesia.
Vibrant tunicates, sponges, hydroids, and echinoderms grow on a coral reef among the remote, tropical islands of Raja Ampat, Indonesia.
Colorful anthias fish swim above a beautiful coral reef in Alor, Indonesia.