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A West Indian starfish (Oreaster reticulatus) crawls slowly across a sandy seafloor in Turneffe Atoll, Belize. This part of Central America is well known for its clear waters and beautiful coral reefs.
Vibrant soft coral colonies grow on a reef dropoff in Lembeh Strait, Indonesia. This area is known for its spectacular marine biodiversity.
A flathead fish camouflages itself in the sandy seafloor of Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
Abstract of a mushroom coral (Fungia sp.) growing on a reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.
A stargazer fish (Uranoscopus sulphureus) camouflages itself in sand in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
A beautiful reef full of soft corals grows in Komodo National Park, Indonesia.
A broadclub cuttlefish (Sepia latimanus) hovers above a beautiful coral reef 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.
Detail of an encrusting sponge growing on a coral reef in Komodo National Park, Indonesia.
Detail of the mouth on a mushroom coral (Fungia sp.) in Lembeh Strait, Indonesia.
A beautiful feather duster worm, Bispira sp., grows on a coral reef in Alor, Indonesia.
Detail of a mushroom coral, Fungia sp., growing on a beautiful reef in Wakatobi National Park, Indonesia.
A crown-of-thorns sea star (Acanthaster planci) feeds on a living coral colony among the remote, tropical islands of Raja Ampat, Indonesia.
A beautiful coral reef thrives among the remote, tropical islands of Raja Ampat, Indonesia.
A vibrant soft coral, Dendronephthya sp., grows amid the remote, tropical islands of Raja Ampat, Indonesia.
Aerial view of beautiful limestone islands scattered about the seascape in Raja Ampat, Indonesia. This tropical area is known for its extraordinary marine biodiversity and is a popular destination for divers and snorkelers.
An ornate ghost pipefish, Solenostomus paradoxus, hovers near a hydroid on a reef in Raja Ampat, Indonesia.
Healthy corals grow on the edge of a mangrove forest in a remote part of Raja Ampat, Indonesia.
Healthy corals thrive along the edge of a mangrove forest in a remote part of Raja Ampat, Indonesia.
A beautiful coral reef thrives in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.
A loggerhead sea turtle, Caretta caretta, swims over a deep coral reef on Turneffe Atoll, Belize.
Healthy corals grow on a vibrant reef in Raja Ampat, Indonesia.
An amazingly beautiful coral reef thrives 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 school of blue-green damselfish, Chromis viridis, hovers amid the tropical islands of Raja Ampat, Indonesia.
A colorful coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A colorful soft coral adorns a giant clam, Tridacna sp., growing on a healthy reef in Raja Ampat, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Ceram Sea.
Detail of a reef-building coral colony, Favia sp., growing on a healthy reef in Komodo National Park, Indonesia.
A healthy coral reef thrives in Komodo National Park, Indonesia.
Detail of a reef-building coral colony, Favia sp., growing on a healthy reef in Komodo National Park, Indonesia.
Guadalupe fur seals (Arctocephalus townsendi), underwater on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North America
Snorkeler with Galapagos sea lion (Zalophus wollebaeki) underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
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
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
A myriad of hard and soft corals at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
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
A myriad of hard and soft corals at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
Fossil Colonial Coral, Carboniferous Limestone, The Burren, County Clare, Ireland,
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.
Freakled hawkfish (Paracirrhites forsteri) sits on some Acropora coral on a Fijian reef.
Scalefin anthias fish (Pseudanthias squamipinnis) Beqa Lagoon, Fiji.
Golden damselfish swimming in soft coral, Fiji
A pair of nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on a sponge, Papua New Guinea.
Detailed view of soft coral revealing the spicules that give stability to its form, Fiji.
Red sea whip coral in deep water beneath a large coral bommie, Fiji.
Two Sharknose Gobies clean a Red Hind, Bonaire, Caribbean Netherlands.
Schooling Brown Chromis, Bonaire, Caribbean Netherlands.
Yellow black coral bush and yellow and blue striped sweeltip fish, Komodo, Indonesia.
Coral Reefs Monument at the waterfront of San Miguel de Cozumel, Cozumel Island, Quintana Roo State, Mexico
Coral Reefs Monument at the waterfront of San Miguel de Cozumel, Cozumel Island, Quintana Roo State, Mexico
A giant clam along with a myriad of hard and soft corals compete for space on the substrate of Darwin's Wall, Palau, Micronesia, Pacific
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
Snorkeler with moon jellyfish (Aurelia sp), in Jellyfish Lake, located on Eil Malk island, Rock Islands, Palau, Micronesia, Pacific
A myriad of hard and soft corals compete for space on the substrate of Darwin's Wall, Palau, Micronesia, Pacific
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
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 shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Mangrove snappers (Lutjanus griseus), 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 sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), massing in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), massing in Hol Chan Marine Preserve, 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), surfacing for air 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
Green sea turtle (Chelonia mydas), surfacing for air near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), with snorkeler near Caye Caulker, 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
A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
A shoal of Blue-striped Snappers (Lutjanus kasmira) swims across a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia
A pair of spine-cheek clownfish (Amphiprion biaculeatus), Pulau Gam night snorkel off Wohof Island, Raja Ampat, Indonesia, Southeast Asia
Outrigger canoes and launches at this coral fringed holiday island and scuba diving destination, Bunaken Island, Sulawesi, Indonesia, Southeast Asia, Asia
Dive boat with young foreign tourists and crew off coral fringed holiday and scuba island, Bunaken, North Sulawesi, Indonesia, Southeast Asia, Asia
Chindonan Island, Calamian Islands, Coron, Palawan, Philippines, Southeast Asia, Asia
Sand Island off Chindonan Island, Calamian Islands, Coron, Palawan, Philippines, Southeast Asia, Asia
An adult banded coral shrimp (Stenopus hispidus), on a night snorkel at Arborek Reef, Raja Ampat, Indonesia, Southeast Asia, Asia
A broadclub cuttlefish (Sepia latimanus) lays eggs in a coral colony in Komodo National Park, Indonesia.
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.
Fragile, foliose corals grow on a beautiful reef slope in Raja Ampat, Indonesia. This remote, equatorial region is known as the heart of the Coral Triangle. It is a popular destination for scuba divers and snorkelers.
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.