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A colorful and healthy coral reef thrives in shallow water in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.
A broadclub cuttlefish (Sepia latimanus) uses camouflage to blend into a shallow coral reef in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.
Detail of an encrusting sponge growing on a coral reef in Komodo National Park, Indonesia.
A beautiful feather duster worm, Bispira sp., grows on a coral reef in Alor, Indonesia.
Fast-growing staghorn coral fragments, Acropora sp., are being grown in hopes of replanting colonies in reef areas of the Caribbean Sea that have been damaged.
A cluster of colorful tunicates grow on a coral reef amid the remote, tropical islands of Raja Ampat, Indonesia.
Discarded plastic bags and other trash float above a shallow coral reef in Raja Ampat, Indonesia. Plastics have become a major pollution problem worldwide.
Aerial view of a healthy fringing reef along the edge of Komodo Island in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for its marine biodiversity as well as its infamous Komodo dragons.
Sunlight shines on beautiful corals thriving among the scenic islands of Raja Ampat, Indonesia.
A beautiful coral reef thrives around an island in a remote part of Raja Ampat, Indonesia.
A beautiful coral reef thrives amid the tropical islands of Raja Ampat, Indonesia.
A huge giant clam, Tridacna gigas, grows on a shallow coral reef amid the tropical islands of Raja Ampat, Indonesia.
Detail of a colonial tunicate growing on a coral reef in Komodo National Park, Indonesia.
A scorpionfish sits on a reef with a big frown, Red Sea, Egypt.
The ocean is beautiful just under the surface near the desolate desert of Egypt.
Schooling fish in vibrant yellow hover over a coral reef in Raja Ampat, Indonesia.
Blacktip reef sharks patrol the shallow waters around a small island in Tahiti, French Polynesia.
Underwater clownfish in anemone at Pulau Setaih Island, Natuna Archipelago, Indonesia, Southeast Asia, Asia
Half above and half below view of coral reef at Pulau Setaih Island, Natuna Archipelago, Indonesia, Southeast Asia, Asia
Snorkeler in underwater profusion of hard plate corals at Pulau Setaih Island, Natuna Archipelago, Indonesia, Southeast Asia, Asia
A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
Driftwood on white sand beach at beautiful Mahoro Island with Masare and Pahepa Islands beyond, Mahoro, Siau, Sangihe Archipelago, North Sulawesi, Indonesia, Southeast Asia, Asia
Goldentail moray eel (Gymnothorax miliaris), in coral reef, Curacao.
Chain moray eel (Echidna catenata), in coral reef, Curacao.
Reef shark, Tiger Beach, Bahamas.
A Caribbean reef squid on a deepwater night dive in West Palm Beach, Florida.
A Caribbean reef squid on a deepwater night dive in West Palm Beach, Florida.
A hawksbill sea turtle (Eretmochelys imbricata) feeds on sponge and an angelfish follows for scraps in Cozumel, Mexico.
A Caribbean reef shark (Carcharhinus perezi) in the Turks and Caicos.
A reef manta ray (Mobula alfredi) feeding at night in Hawaii.
A diver shines a light in on a cavern filled with glassy sweepers (Pempheris schomburgkii) at Molasses Reef in Key Largo, Florida.
A colorful reef scene with sunburst at Cozumel, Mexico.
A hawksbill sea turtle resting under a reef in Cozumel, Mexico.
A feeding hawksbill sea turtle in Cozumel, Mexico.
Moray eel peeking its head through a reef in Curacao.
World champion free diver and his team in training shot from inside a sunken barge 90 feet below in Bimini, Bahamas.
Diver and boat above black coral bushes in French Cay, Turks and Caicos.
Spiny lobster hiding in the reef, Nassau, The Bahamas.
Silver grunts swmming around Treasure Wreck, Nassau, The Bahamas.
A diver approaches a beautiful gorgonian sea fan, Cayman Islands.
School of silversides form shapes in the tunnels at Eden Rock, Grand Cayman.
Hawksbill sea turtle and gray angelfish by coral reef, USS Kittiwake, Grand Cayman.
Hawksbill sea turtle eating, Castle Wall, Grand Cayman.
Sea fan on the colorful reefs of Komodo, Indonesia.
Soft corals in the colorful reefs of the Banda Sea, Indonesia.
Snorkeler exploring heart-shaped reef in Banda Sea, Indonesia.
Colorful reef with fishes and sun burst in Komodo, Indonesia.
Group of barrel sponge in the deep reefs of the Banda Sea, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
Free diver exploring the shallow reefs of the Banda Sea, Indonesia.
Free diver rising from the deep in the Banda Sea, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
Barrel sponge in the reef with fishes in the Banda Sea, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
A toadfish patiently waits inside a pipe cavity ready to prey on any fish passing by. A Toadfish is an ambush predator at 95 feet deep in Gulf waters at the Dupont Span One artificial reef about 12 miles off the coast of Panama City Beach, Florida.
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.
A Whitetip Reef Shark laying on the bottom in the sand and looking up at the above approaching photographer in the clear South Pacific ocean off Likuri Island, Fiji.
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 Blackside Hawkfish (Paracirrhites forsteri) swims over the red tentacles of a sea fan in the warm clear waters off the coast of Likuri Island, Fiji.
A Butterflyfish swims up along a coral reef in the warm and clear ocean waters of Papua New Guinea.
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 Blue Spotted Lagoon Fantail Ray (Taeniura lymma) peeking out from under a coral reef ledge, Papua New Guinea.
Close-up of a bicolor damselfish (Stegastes partitus) as it swims up from the coral reef off the coast of Key Largo, Florida.
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 Spotted Trunkfish (Lactophrys bilcaudalis) swims over an algae covered coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Spotted Moray Eel (Gymnothorax moringa) displays an open mouth as it protrudes it's head just outside a hole in a coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Spotfin Butterflyfish (Chaetodon ocellatus) feeding off the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Porkfish (Anisotremus virginicus) swims by sea plumes out from under a coral reef ledge 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.
A Rainbow Parrotfish (Scarus guacamaia) pokes it's head out from a hole in the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Gray Angelfish (Pomacanthus arcuatus) swims by diamond and fire corals in the shallow waters of the Atlantic Ocean off the coast of Key Largo, Florida.
A Blue Parrotfish (Scarus coeruleus) swimming up after munching on the coral reef below in the Atlantic Ocean off the coast of Key Largo, Florida.
A Blue Chromis (Chromis cyanea) swims into the current to maintain station over a colorful reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A large Goliath Grouper, Epinephelus itajara, effortlessly floats by and over the City of Washington shipwreck in about 60 feet of water off the coast of Key Largo, Florida.
A large Goliath Grouper, Epinephelus itajara, effortlessly floats by and over the City of Washington shipwreck in about 60 feet of water off the coast of Key Largo, Florida.
A large Goliath Grouper, Epinephelus itajara, effortlessly floats by and over the City of Washington shipwreck in about 60 feet of water off the coast of Key Largo, Florida.
A small Ambon chromis (Chromis amboinensis) swimming amongst coral in Beqa Lagoon, Fiji.
Plate coral (Acropora hyacinthus) Beqa Lagoon, Fiji.
Red tree coral on a Fijian reef.
Freakled hawkfish (Paracirrhites forsteri) sits on some Acropora coral on a Fijian reef.
Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.
A large common lionfish (Pterois volitans) swimming at Beqa Lagoon, Fiji.
A large common lionfish (Pterois volitans) swimming at Beqa Lagoon, Fiji.
A large red gorgonian sea fan and black crinoid, Beqa Lagoon, Fiji.
Red tree coral (Dendronephthya) on a Fijian reef.
Sea anenome in the Beqa Lagoon reef, Fiji.
Schooling scalefin anthias fish (Pseudanthias squamipinnis) and beautiful soft corals of Beqa Lagoon, Fiji.
A large red gorgonian sea fan and large tiger cowrie (Cypraea tigrisis), Beqa Lagoon, Fiji.
A large red gorgonian sea fan, Beqa Lagoon, Fiji.
Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.
Schooling anthias fish and healthy corals of Beqa Lagoon, Fiji.
A pair of Moorish idols (Zanclus cornutus) dart for cover when divers approach, Beqa Lagoon, Fiji.
Close-up of a popcorn shrmp (Periclimenes brevicarpalis) on an anenome on a Fijian Reef.
Large red gorgonian sea fan on a Fijian Reef.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Scribbled Pipefish on a pink sponge, Papua New Guinea.
A pair of nudibranch feeding on algae, Papua New Guinea.
Dog face puffer hides in a sponge, Papua New Guinea.