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A West Indian starfish (Oreaster reticulatus) crawls slowly across a sand and seagrass seafloor in Turneffe Atoll, Belize. This part of Central America is well known for its clear waters and beautiful coral reefs.
A diverse array of corals grow in Raja Ampat, Indonesia. This beautiful region is known for its spectacular reefs and high marine biodiversity.
Colorful gorgonians and reef-building corals grow in shallow water near the famous Blue Hole in Belize. This part of Central America is well known for its clear waters and beautiful coral reefs.
A pair of spotted eagle rays (Aetobatus narinari) swim over the deep, sandy seafloor near Cocos Island, Costa Rica. This remote, Pacific island is famous for its healthy fish and shark populations.
A spotted eagle ray (Aetobatus narinari) swims over the deep, sandy seafloor near Cocos Island, Costa Rica. This remote, Pacific island is famous for its healthy fish and shark populations.
A crown-of-thorns starfish (Acanthaster planci) feeds on coral near Cocos Island, Costa Rica.
A hairy frogfish (Antennarius striatus) uses its incredible camouflage to successfully capture prey in Lembeh Strait, Indonesia.
A live sundial shell (Architectonica perspectiva) crawls across the seafloor in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
Detail of a mushroom coral (Fungia sp.) on a reef in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral 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.
A beautiful and healthy coral reef grows in Komodo National Park, Indonesia.
A beautiful set of corals grows in extremely shallow water in Komodo National Park, Indonesia.
A large map pufferfish (Arothron mappa) swims along a reef in Komodo National Park, Indonesia.
A sleek blue shark (Prionace glauca) cruises through the cold waters off Cape Cod, Massachusetts, in the Atlantic Ocean. These beautiful elasmobranchs are found throughout the world in both temperate and tropical seas and are a species listed as Near Thre
A white-spotted jellyfish (Phyllorhiza punctata) drifts in a strong current in the Lesser Sunda Islands of Indonesia.
Colorful reef fish, mainly Scalefin anthias (Pseudanthias squamipinnis), swim above a beautiful set of corals growing near Alor in the Lesser Sunda Islands of Indonesia.
A snorkeler swims above a beautiful reef 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.
A traditional fish trap, made out of bamboo, captures small reef fish near Alor in the Lesser Sunda Islands of Indonesia.
A beautiful coral colony (Heliopora sp.) grows in Komodo National Park, Indonesia.
A school of striped eel catfish (Plotosus lineatus) swarms over a reef searching for food in the Lesser Sunda Islands of Indonesia.
A white-spotted jellyfish (Phyllorhiza punctata) drifts in a strong current in the Lesser Sunda Islands of Indonesia.
A traditional fish trap, made out of bamboo, captures small reef fish near Alor in the Lesser Sunda Islands of Indonesia.
A blue line grouper (Cephalopholis formosa) swims on a reef in the Lesser Sunda Islands of Indonesia.
Colorful anthias fish swim above a beautiful coral reef in Alor, 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 pair of vibrant nudibranchs, Nembrotha kubaryana, mate on a coral reef in 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 reef stonefish, Synanceia verrucosa, waits to ambush prey in Raja Ampat, Indonesia.
A humpback whale, Megaptera novaeangliae, raises its powerful fluke out of the blue waters of the Caribbean Sea and slams it down on the surface to communicate.
Vibrant sea cucumbers, tunicates, hydroids, and other invertebrates cling to a reef in Raja Ampat, Indonesia.
A school of silversides swims in the shallows in a remote part of Raja Ampat, Indonesia.
Colorful chocolate chip starfish lie scattered on the floor of a seagrass meadow 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 hawksbill sea turtle, Eretmochelys imbricata, swims over a beautiful reef 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 colorful nudibranch, Hypselodoris tryoni, crawls across a sandy sea floor 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 Wonderpus, Wunderpus photogenicus, hunts for prey on the sandy seafloor in Lembeh Strait, Indonesia.
Detail of a sponge growing on a reef in Lembeh Strait, Indonesia.
A beautiful coral reef thrives around an island in a remote part of Raja Ampat, Indonesia.
Humbug damselfish hover above protective corals in Raja Ampat, Indonesia.
A beautiful, vibrant coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A thick school of yellow-striped scad swims below a jetty amid the tropical islands of Raja Ampat, Indonesia.
A colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by in Komodo National Park, Indonesia.
A beautiful nudibranch, Chromodoris coi, crawls across the seafloor in Komodo National Park, Indonesia.
A small, well-camouflaged cuttlefish, Sepia sp., hovers on a rocky seafloor in the Banda Sea, Indonesia.
A colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by in Komodo National Park, Indonesia.
A barred-fin moray eel, Gymnothorax zonipectus, is found on a coral reef in Komodo National Park, Indonesia.
A Nembrotha cristata nudibranch crawls over a tunicate.
A green sea turtle swims by a reef under the sun, North Sulawesi, 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 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 beautiful coral reef thrives in shallow water in Indonesia's Banda Sea.
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.
A humpback whale and her calf play near the surface.
A white crab holds its eggs under its carapace until they hatch, Tulamben, Bali, Indonesia.
A cleaner shrimp searches for parasites on the head of this spotted moray eel, Tulamben, Bali, Indonesia.
Two nudibranchs with two emperor shrimp riding on their backs, Tulamben, Bali, Indonesia.
A tiny white hairy frogfish, Anilao, Philippines.
A stargazer hides under the sand waiting to ambush its prey, Anilao, Philippines.
A lionfish portrait, Anilao, Philippines.
A giant jawfish brooding eggs in its mouth, Sea of Cortez, Mexico.
A pod of four dolphins swim playfully near a popular coral reef in the Red Sea.
A hawksbill turtle glides through the water on a sunny day.
A school of unicorn fish hover over the Yolanda wreck, Red Sea, Egypt.
An orangethroat pike blenny (Chaenopsis alepidota), displays its colors in hopes of attracting a mate, Sea of Cortez.
Head-on view of a giant jawfish in the Sea of Cortez.
Panamic cushion stars (Pentaceraster cumingi), gather on the sea floor, Sea of Cortez.
A school of fish with a few stragglers catching up to the school, Raja Ampat, Indonesia.
Cyerce elegans is one of the beautiful butterfly nudibranchs found in the Philippines, Anilao, Philippines.
A hawksbill sea turtle glides over the ocean floor, Maldives.
An oceanic whitetip shark soars through the water, Red Sea.
A pod of spinner dolphins plays near the surface of Red Sea.
Several pink anemones cluster on top of a coral outcropping providing homes for several anemone fish, 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.
A green sea turtle pauses from eating sea grass to gaze up at its surroundings, Red Sea.
Three male Indo-Pacific bottlenose dolphins (Tursiops aduncus), and one female dolphin breeding, Red Sea.
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Southern elephant seal (Mirounga leonina) weaner pups sleeping on the beach at Gold Harbour on South Georgia, Polar Regions
Northern (Steller) sea lion (Eumetopias jubatus) bull feeding on fisherman's scraps near Petersburg, Alaska, United States of America, North America
Harbor seal (Phoca vitulina) hauled out on ice calved from South Sawyer Glacier, Southeast Alaska, United States of America, North America
Horses on the top of the cliff above Yport near Etretat, Cote d'Albatre, Pays de Caux, Seine-Maritime department, Upper Normandy region, France, Europe
Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions
Several intermediate and one adult longfin spadefish (Platax teira) swimming in the Maldives.
Humpback whale (Megaptera novaeangliae) calf learning to slap the water surface.
Humpback whale (Megaptera novaeangliae) mother and her calf.
Humpback whale (Megaptera novaeangliae) calf playing at the surface.
Humpback whale (Megaptera novaeangliae) mother and her calf.
Reef shark (Carcharhinus perezii) with a school of silversides, herrings and anchovies, Cuba.
Cerberilla nudibranch, Tulamben, Bali, Indonesia.
Eye detail of a juvenile crocodilefish, New Ireland, Papua New Guinea.
An oceanic manta ray feeding in Isla Mujeres, Mexico.
Southern stingray on the sandbar in Grand Cayman, Cayman Islands.
Rockmover wrasse in Raja Ampat, Indonesia.
Pair of Lionfish, Indonesia.
School of Jacks, Indonesia.
Arrow crab on a sea fan, Belize.
Pair of lionfish, Indonesia.