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Nudibranch feeding on algae, Papua New Guinea.
A pair of 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.
Beautiful nudibranch on coral, Papua New Guinea.
Nudibranch feeding on algae, 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.
Nudibranch feeding on algae, Papua New Guinea.
Deep reef scene in Fiji with a beautiful gorgonian fan.
Hawksbill turtle glides over the pristine reefs in Fiji.
Divers descend onto a deep wreef with red sea whip corals, Fiji.
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.
Detailed view of soft coral revealing the spicules that give stability to its form, 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.
Red goby sitting motionless on whip coral, Fiji.
Teardrop Butterflyfish swim within a protective coral arch, Fiji.
Red sea whip coral in deep water beneath a large coral bommie, Fiji.
Red goby sitting motionless on whip coral, Fiji.
Red goby sitting motionless on whip coral, 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.
Sharptaiil Eel searchs the reef for food, Bonaire, Caribbean Netherlands.
Scuba diver swims by some large sponges off the coast of Bonaire, Caribbean Netherlands.
Sunburst above a diver amongst the reefs in Fiji.
Swarms of small baitfish swim above a large sea anenome, Fiji.
Diver swims through the shallow reef towards shore, Bonaire, Caribbean Netherlands.
School of Brown Chromis near a large elephant ear sponge, Bonaire, Caribbean Netherlands.
Scuba diver and a common spiny lobster, Bonaire, Caribbean Netherlands.
A common spiny lobster backs his way into the protection of the reef, Bonaire, Caribbean Netherlands.
Scuba diver swims by some large sponges off the coast of Bonaire, Caribbean Netherlands.
Purple sponge on a deep reef, Bonaire, Caribbean Netherlands.
Christmas Tree Worm in hard coral, Bonaire, Caribbean Netherlands.
Sharknose Goby sits on some hard coral, Bonaire, Caribbean Netherlands.
Scuba diver propels above a large vase sponge, Bonaire, Caribbean Netherlands.
Christmas Tree Worm in fire 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.
A large group of purple tube sponge sits high on the reef, Bonaire, Caribbean Netherlands.The Hilma Hooker Shipwreck is visible in the background.
Two Sharknose Gobies clean a Red Hind, Bonaire, Caribbean Netherlands.
Scuba diver swimming underwater amongst sea sponges, Bonaire, Caribbean Netherlands.
Scuba diver swimming underwater amongst sea sponges, Bonaire, Caribbean Netherlands.
A pair of Sharknose Gobies, Bonaire, Caribbean Netherlands.
Macro image of a Christmas Tree Worm, Bonaire, Caribbean Netherlands.
A Secretary Blenny looks out from its coral home, Bonaire, Caribbean Netherlands.
A Secretary Blenny looks out from its coral home, Bonaire, Caribbean Netherlands.
Close-up view of a Goldentail Moray Eel, Bonaire, Caribbean Netherlands.
Close-up view of a Goldentail Moray Eel, Bonaire, Caribbean Netherlands.
Unknown gobie/ blenny found at 48 feet deep, Bonaire, Caribbean Netherlands.
Schooling Brown Chromis, Bonaire, Caribbean Netherlands.
Hawksbill sea turtle (Eretmochelys imbricata), a critically endangered species, feeding on soft coral, side view, South Ari Atoll, Maldives.
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, 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.
Freckled hawkfish, Red Sea, Egypt.
Red soft coral, Red Sea, Egypt.
Pair of Chromodoris annae nudibranch with brilliant blue and yellow skirt, crawling over green and pink coral, Anilao, Batangas, Philippines.
Yellow black coral bush and yellow and blue striped sweeltip fish, Komodo, Indonesia.
Spotted Periclimenes colemani shrimp on fire coral, Komodo, Indonesia.
Green sea turtle (Chelonia mydas) resting on a plate coral, North Sulawesi, Indonesia.
Giant Grouper, Great Barrier Reef, Queensland, Australia.
Giant Grouper, Great Barrier Reef, Queensland, Australia.
Divers photographing a Giant Grouper, Great Barrier Reef, Queensland, Australia.
Giant Grouper, Great Barrier Reef, Queensland, Australia.
Diver with large purple sea fan, Cariibean Sea.
Green sea turtle on Caribbean reef.
Aerial of a traditional Dhow on a white sand beach, Goa island near the Island of Mozambique, Mozambique, Africa
Soft and hard corals make a coral bommie surrounded by anthias and other small reef fish, Raja Ampat, Indonesia.
Half above and half below view of coral reef at Pulau Setaih Island, Natuna Archipelago, Indonesia, Southeast Asia, Asia
Underwater reef on a remote small Islet in the Badas Island Group off Borneo, Indonesia, Southeast Asia, Asia
A myriad of hard and soft corals compete for space on the substrate of the snorkel site known as the Milky Way, Palau, Micronesia, Pacific
Corals and tropical fish, underwater sea life, The Maldives, Indian Ocean
Snorkeling woman holding starfish underwater, The Maldives, Indian Ocean
Woman snorkeling in clear tropical sea, The Maldives, Indian Ocean
Woman snorkeling in clear tropical sea, The Maldives, Indian Ocean
Coral reef and sea life banner, The Maldives, Indian Ocean
Coral reef and sea life banner, The Maldives, Indian Ocean
Woman snorkeling in clear tropical sea, The Maldives, Indian Ocean
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
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
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 Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Mangrove snappers (Lutjanus griseus), schooling in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize