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A blue starfish, Linkia laevigata, clings to coralline algae on a reef in Sulawesi, Indonesia.
A beautiful coral reef thrives around an island in a remote part of Raja Ampat, Indonesia.
Beautiful corals and reef fish thrive amid the tropical 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 large manta ray, Mobula alfredi, swimming along a reef drop off in Raja Ampat, Indonesia.
A colorful coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A brightly colored soft coral adorns a beautiful coral reef in Raja Ampat, Indonesia.
A vibrant and diverse coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A bright yellow crinoid clings to a healthy coral reef near Alor, Indonesia.
A starry night octopus, Callistoctopus luteus, searches for prey on a reef flat at night in Raja Ampat, Indonesia.
Detail of a reef-building coral colony, Favia sp., growing on a healthy reef in Komodo National Park, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea. This part of eastern Indonesia is home to part of the world's greatest marine biodiversity.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea.
A reef squid hovers in mid-water, Anilao, Philippines.
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.
Huge table corals cover a reef in Indonesia that is teeming with fish, Raja Ampat, Indonesia.
Blacktip reef sharks patrol the shallow waters around a small island in Tahiti, French Polynesia.
A school of yellow snapper hovers close to a coral reef, Maldives.
A coral bommie full of life, Maldives.
A leopard shark swims close to a coral reef, Maldives.
A coral bommie in the Red Sea at Yolanda Reef is full of anthias fish.
Hawksbille sea turtle swimming across a reef in St. Croix, U.S. Virgina Islands.
Yellow sea fan in Raja Ampat, Indonesia.
Sea fan on soft coral in Raja Ampat, Indonesia.
Pair of Lionfish, Indonesia.
Lionfish, Indonesia.
Pair of lionfish, Indonesia.
Guadalupe fur seals (Arctocephalus townsendi), underwater on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North 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
Whiskey Flat seen from Panorama Point, Capitol Reef National Park, Utah, Western United States, United States of America, North America
Bigeye Trevally (Caranx sexfasciatus), schooling in Cabo Pulmo National Marine Park, Baja California Sur, Mexico, North America
Bigeye Trevally (Caranx sexfasciatus), schooling in Cabo Pulmo National Marine Park, Baja California Sur, Mexico, North America
Coral reef and sea life banner, The Maldives, Indian Ocean
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Southern stingray (Hypanus americanus), with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) over sand in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), 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
False clown anemonefish (Amphiprion ocellaris), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
Small reef fish crowd around outcrops of Pocillopora species hard corals, a coral reef in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia
Adult reef manta ray (Mobula alfredi), underwater in Coral Bay, Western Australia, Australia, Pacific
Chindonan Island, Calamian Islands, Coron, Palawan, Philippines, Southeast Asia, Asia
Bangka (boat) over coral, Chindonan Island, Calamian Islands, Coron, Palawan, Philippines, Southeast Asia, Asia
Sand Island off Chindonan Island, Calamian Islands, Coron, Palawan, Philippines, Southeast Asia, Asia
Aerial view of Balos Lagoon, Balos Beach and Cape Tigani, Gramvousa Peninsula, Chania Region, Crete, Greek Islands, Greece, Europe
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.
Vibrant soft coral colonies grow on a reef dropoff in Lembeh Strait, Indonesia. This area is known for its spectacular marine biodiversity.
Reef-building corals thrive in shallow water in Raja Ampat, Indonesia. This remote region is known for its beautiful reefs and spectacular marine biodiversity.
Blue starfish (Linckia laevigata) cling to a coral bommie in Indonesia. This species of seastar is common throughout the Indo-Pacific.
Coral polyps (Galaxea sp.) wait for plankton on a reef in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity and is a popular destination for divers and snorkelers.
Soft corals, sponges, and other invertebrates compete for space on a beautiful reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.
A shallow coral reef thrives in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
A bigfin reef squid (Sepioteuthis lessoniana) hovers in nighttime waters off the coast of Komodo Island in Komodo National Park, Indonesia.
Detail of a colorful giant clam (Tridacna squamosa) growing on a reef near Alor in the Lesser Sunda Islands of Indonesia. This remote tropical region is home to extraordinary marine biodiversity. near Alor in the Lesser Sunda Islands of Indonesia.
Colorful reef fish, mainly Scalefin anthias (Pseudanthias squamipinnis), swim above a healthy reef in the Lesser Sunda Islands of Indonesia.
Soft corals grow on the edge of a beautiful reef in the historic Banda Islands of eastern Indonesia.
Colorful reef fish, mainly Scalefin anthias (Pseudanthias squamipinnis), swim in a strong current near Alor in the Lesser Sunda Islands of Indonesia.
Detail of a fluorescing coral colony growing on a shallow reef in Raja Ampat, Indonesia.
A lizardfish, Synodus sp., waits for prey to swim close by on a reef near Alor in Indonesia.
A well-camouflaged scorpionfish blends into a beautiful coral reef thriving in Alor, 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.
A large banded sea snake, Laticauda colubrina, sinuously swims over a beautiful reef in Wakatobi National Park, Indonesia.
A colorful West Indian starfish, Oreaster reticulatus, crawls over a shallow, sandy seafloor in Turneffe Atoll in the Caribbean Sea. This reef is part of the massive Mesoamerican Reef System, the second largest barrier reef on Earth.
A colorful West Indian starfish, Oreaster reticulatus, crawls over a shallow, sandy seafloor in Turneffe Atoll in the Caribbean Sea. This reef is part of the massive Mesoamerican Reef System, the second largest barrier reef on Earth.
Soft coral colonies, Sinularia sp., thrive on a reef found among the remote, tropical islands of Raja Ampat, Indonesia.
A warty sea star, Echinaster callosus, clings to a coral reef in Raja Ampat, Indonesia.
A beautiful coral reef thrives among the remote, tropical islands of Raja Ampat, Indonesia.
A beautiful coral reef thrives among the remote, tropical islands of Raja Ampat, Indonesia.
A well-camouflaged ornate ghost pipefish, Solenostomus paradoxus, hovers over a reef in Komodo National Park, Indonesia.
A well-camouflaged ornate ghost pipefish, Solenostomus paradoxus, hovers over a reef in Komodo National Park, Indonesia.
A bigfin reef squid, Sepioteuthis lessoniana, hovers midwater in Lembeh Strait, Indonesia.
A beautiful coral reef thrives amid the tropical islands of Raja Ampat, Indonesia.
Orange soft corals carpet a shallow reef wall in Raja Ampat, Indonesia.
A cute red-spotted blenny, Blenniella chrysospilos, looks out from its protective home on a coral reef in Indonesia. This combtooth blenny feeds on algae.
A beautiful coral reef thrives in shallow water in Indonesia's Ceram Sea.
Crinoids and soft corals cover this reef in Raja Ampat, Indonesia.
A green sea turtle swims by a reef under the sun, North Sulawesi, Indonesia.
A healthy and beautiful coral reef thrives in shallow water in Raja Ampat, Indonesia.
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 beautiful coral reef thrives in shallow water in Indonesia's Banda Sea.
A healthy coral reef thrives in Komodo National Park, Indonesia.
A healthy and beautiful coral reef thrives in shallow water in Raja Ampat, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea. This part of eastern Indonesia is home to part of the world's greatest marine biodiversity.
A healthy coral reef thrives in Komodo National Park, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea. This part of eastern Indonesia is home to part of the world's greatest marine biodiversity.
Reef squid swimming, Anilao, Philippines.
A lionfish hovers over a coral reef as the sun sets, Raja Ampat, Indonesia.
A pair of cuttlefish mating over a coral reef, Raja Ampat, Indonesia.
A school of anthias darts around a coral reef, Anilao, Philippines.
Galapagos penguin (Spheniscus mendiculus) feeding underwater on small baitfish in the Galapagos Islands, 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 at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific