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Marbled grouper from the French Polynesian Islands gather in the South Pass of Fakarava to spawn just once a year, French Polynesia.
A reef manta ray (Mobula alfredi), hovers over a reef where small cleaner wrasse will relieve her of her parasites, Maldives.
A coral bommie full of life, Maldives.
A lionfish poses on a coral reef, Red Sea.
A titan triggerfish hovers in a cleaning station, Red Sea.
Just beneath the surface of the Red Sea lies a beautiful hard coral garden.
A coral bommie in the Red Sea at Yolanda Reef is full of anthias fish.
Reef shark (Carcharhinus perezii) with a school of silversides, herrings and anchovies, Cuba.
Soft coral in Raja Ampat, Indonesia.
Crinoid in Raja Ampat, Indonesia.
Pair of Lionfish, Indonesia.
Pair of lionfish, Indonesia.
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
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, 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, 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, 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, as well as tropical reef fish at Vatu-I-Ra Conservation Park 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
Aerial view taken by drone of desert area near Capitol Reef National Park on a summer day, Hanksville, Utah, United States of America
A myriad of hard and soft corals compete for space on the substrate of Darwin's Wall, Palau, Micronesia, Pacific
An adult Pacific reef heron (Egretta sacra), hunting for prey on Montgomery Reef, Kimberley, Western Australia, Australia, Pacific
Blue ocean underwater background, Thailand
Blue ocean and sandy bottom underwater background, Thailand
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
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 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), 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 sharks (Ginglymostoma cirratum), massing 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) over sand 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
Southern stingray (Hypanus americanus) over sand 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
Tourists hand-feeding tarpon (Megalops atlaticus), at feeding station inside the Mesoamerican Barrier Reef, Belize
Tourists hand-feeding tarpon (Megalops atlaticus), at feeding station inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), with sharksucker, Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), with snorkelers near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), with snorkeler near Caye Caulker, 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), feeding on the sand 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), 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
Caribbean spiny lobster (Panulirus argus), underwater at Half Moon Caye, UNESCO, 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
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
Brassy chubs (Kyphosus vaigiensis), being fed by boat operators inside the Mesoamerican Barrier Reef, Belize
Hard and soft corals on underwater reef on Jaco Island, Timor Sea, East Timor, Southeast Asia, Asia
Adult dwarf minke whale (Balaenoptera acutorostrata), with snorkeler, Great Barrier Reef, Queensland, Australia, Pacific
Adult tomato clownfish (Amphiprion frenatus), Mengiatan Island, Komodo National Park, Flores Sea, Indonesia, Southeast Asia, Asia
Surfer at North Reef, Lighthouse Bay, Exmouth, Western Australia, Australia, Pacific
Sand Island off Chindonan Island, Calamian Islands, Coron, Palawan, Philippines, Southeast Asia, Asia
A diverse array of corals grow in Raja Ampat, Indonesia. This beautiful region is known for its spectacular reefs and high marine biodiversity.
A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.
Detail of a fluorescing coral colony growing on a shallow reef in Raja Ampat, Indonesia.
A beautiful coral reef grows near an island in the Banda Sea, 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 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.
An adult male green sea turtle, Chelonia mydas, swims in the dark waters near a reef in Wakatobi National Park, Indonesia.
Detail of a mushroom coral, Fungia sp., growing on a beautiful reef in Wakatobi National Park, Indonesia.
A beautiful coral reef thrives in the shallows of Alor, Indonesia. This remote region is home to a wide array of marine biodiversity.
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 well-camouflaged yellow stingray, Urobatis jamaicensis, swims over a shallow seagrass meadow growing within Turneffe Atoll's lagoon 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 beautiful coral reef thrives among the remote, tropical islands of Raja Ampat, Indonesia.
A school of silversides swims in the shallows in a remote part of Raja Ampat, Indonesia.
A beautiful coral reef thrives in a remote part of Raja Ampat, Indonesia.
Bright beams of sunlight descend into the shadows of a blue water mangrove forest in 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 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 blue starfish, Linkia laevigata, clings to coralline algae on a reef in Sulawesi, Indonesia.
A beautiful coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
Beautiful corals and reef fish thrive amid the tropical islands of Raja Ampat, Indonesia.
Vibrant soft corals, Dendronephthya sp., thrive among the 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 soft coral and large gorgonian thrive on a beautiful coral reef in Raja Ampat, Indonesia.
A vibrant and diverse coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A colorful ornate ghost pipefish, Solenostomus paradoxus, hovers over a coral reef in Komodo National Park, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Ceram Sea.
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.