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A healthy coral reef thrives in Komodo National Park, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea.
A black-banded sea krait, Laticauda semifasciata, swims over beautiful corals off the remote island of Manuk in the Banda Sea, Indonesia. This volcanic island is known as the island of the snakes.
A greater blue-ring octopus, Hapalochlaena lunulata, crawls across a coral reef in Komodo National Park, Indonesia. There are several blue-ring octopus species and all of them are extremely venomous.
A healthy coral reef thrives in Komodo National Park, Indonesia.
A cove contains thousands of glass fish and some black coral, Raja Ampat, Indonesia.
A whip coral goby broods eggs it has laid on the whip coral where it lives, Anilao, Philippines.
A school of anthias darts around a coral reef, Anilao, Philippines.
A school of yellow snapper hovers close to a coral reef, Maldives.
A coral bommie full of reef fish and healthy corals, Red Sea.
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 pair of Christmas tree worms in Cozumel, Mexico.
A colorful reef scene with sunburst at Cozumel, Mexico.
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.
Multiple christmas tree worms, Curacao.
Spiral coral whip on black background.
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.
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.
Colorful reef with fishes and sun burst in Komodo, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
Free diver exploring the shallow reefs of the Banda Sea, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
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 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 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 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 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.
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.
Close-up of a whip coral goby, Beqa Lagoon, Fiji.
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 a sponge, 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.
A beautiful Ribbon Eel displays its open mouth to the photographer,Fiji.
A beautiful Ribbon Eel displays its open mouth to the photographer,Fiji.
A beautiful blue ribbon eel displays its open mouth to the photographer, Fiji.
An underwater photographer swims past a large yellow gorgonian fan with a bed of red soft corals beneath it, Fiji.
Fijian dive guide feeds a school of Scissortail Sergeant Major fish, Fiji.
A school of orange basslets (Pseudanthias squamipinnis) on a healthy coral reef, Fiji.
A school of orange basslets (Pseudanthias squamipinnis) on a healthy coral reef, Fiji.
School of Brown Chromis near a large elephant ear sponge, Bonaire, Caribbean Netherlands.
Scuba diver and a common spiny lobster, Bonaire, Caribbean Netherlands.
Sharknose Goby sits on some hard coral, Bonaire, Caribbean Netherlands.
1 cm yellow tube polyp captured at 4.5x life size with what appears to be a small macroscopic Isopod feeding on it, Bonaire, Caribbean Netherlands.
Scuba diver swimming underwater amongst sea sponges, Bonaire, Caribbean Netherlands.
Close-up view of a Goldentail Moray Eel, Bonaire, Caribbean Netherlands.
Schooling Brown Chromis, 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, 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.
Airplane wreck sitting atop reef, overgrown with soft coral and crinoids, Cenderawasih Bay, West Papua, Indonesia.
Pair of Chromodoris annae nudibranch with brilliant blue and yellow skirt, crawling over green and pink coral, Anilao, Batangas, Philippines.
Green sea turtle (Chelonia mydas) resting on a plate coral, North Sulawesi, Indonesia.
Soft and hard corals make a coral bommie surrounded by anthias and other small reef fish, Raja Ampat, Indonesia.
A soft coral crab, sometimes known as a candy crab, Anilao, Philippines.
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
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
Adult Magellanic oystercatcher (Haematopus leucopodus) on Carcass Island in the Falkland Islands
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