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A school of silversides swims in the shallows in a remote part of Raja Ampat, Indonesia.
A banded sea krait, Laticauda colubrina, searches for prey on a coral reef in Raja Ampat, Indonesia. This tropical area is known for its extraordinary marine biodiversity and is a popular destination for divers and snorkelers.
A bright cup coral, Tubastrea sp., grows on a remote reef in Raja Ampat, Indonesia.
Small cardinalfish hover amid mangrove prop roots 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.
Beams of light descend through a wooden jetty in the Dampier Strait, Raja Ampat, Indonesia. This tropical area is known for its extraordinary marine biodiversity and is a popular destination for divers and snorkelers.
A school of lined sweetlips, Plectorhinchus lineatus, swim above a healthy coral reef in Raja Ampat, Indonesia.
Symbiotic anemones cover the shell of a hermit crab, Dardanus pedunculatus, 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 magnificent sea anemone, Heteractis magnifica, grows on a 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.
A loggerhead sea turtle, Caretta caretta, swims over a deep coral reef on Turneffe Atoll, Belize.
A beautiful coral reef thrives just off the island of Ambon, Indonesia.
Detail of a sponge growing on a reef in Lembeh Strait, Indonesia.
A blue starfish, Linkia laevigata, clings to coralline algae on a reef in Sulawesi, Indonesia.
A hairy frogfish, Antennarius striatus, lies on the dark, sandy seafloor in Lembeh Strait, 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 around an island in a remote part 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 huge giant clam, Tridacna gigas, grows on a shallow coral reef amid the tropical islands of Raja Ampat, Indonesia.
A juvenile painted spiny lobster, Panulirus versicolor, crawls out of a reef crevice amid the islands of Raja Ampat, Indonesia.
Vibrant soft corals, Dendronephthya sp., thrive among the islands of Raja Ampat, Indonesia.
Flamboyant cuttlefish embryos, Metasepia pfefferi, wait to hatch from their eggs on the sandy seafloor in Lembeh Strait, Indonesia.
A massive giant clam, Tridacna gigas, grows on a shallow coral reef in Raja Ampat, Indonesia.
A beautiful, vibrant coral reef grows amid the tropical islands of Raja Ampat, Indonesia.
A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.
A colorful ornate ghost pipefish, Solenostomus paradoxus, hovers over a coral reef in Komodo National Park, Indonesia.
A well-camouflaged flasher scorpionfish, Scorpaenopsis macrochir, lies on a black sand slope just outside of Komodo National Park, Indonesia.
Detail of a scorpionfish's face in Indonesia's Banda Sea.
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 huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.
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 giant oceanic manta ray hovers over a cleaning station near a sea fan, Raja Ampat, Indonesia.
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.
Detail of a reef-building coral colony growing on a healthy reef in Komodo National Park, Indonesia.
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 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 healthy coral reef thrives in Komodo National Park, Indonesia.
A healthy coral reef thrives in Komodo National Park, Indonesia.
A tiger cardinal broods eggs in it's mouth.
A humpback whale breaches completely out of the water.
A cleaner shrimp searches for parasites on the head of this spotted moray eel, Tulamben, Bali, Indonesia.
A giant jawfish brooding eggs in its mouth, Sea of Cortez, Mexico.
A Caribbean reef shark and a school of fish, Grand Cayman, Cayman Islands.
A scorpionfish sits on a reef with a big frown, Red Sea, Egypt.
A manta ray passes overhead under the sun, Socorro Island, Mexico.
A cuttlefish hunts at night, Anilao, Philippines.
A pregnant pygmy seahorse clings to a frond of a gorgonian fan, Anilao, Philippines.
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.
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.
A large crocodile lurks on the bottom of the sea, Caribbean Sea, Mexico.
A crocodile stalking its prey, Caribbean Sea, Mexico.
A garden of water lilies in a Mexican Cenote, Caribbean Sea, Mexico.
An oceanic whitetip shark approaches from the blue waters around Elphinstone, Red Sea.
A finespotted jawfish surrounded by starfish.
A larval lionfish floats in the open ocean as plankton, Anilao, Philippines.
A lionfish hovers over a coral reef as the sun sets, Raja Ampat, Indonesia.
A porcelain crab broods eggs under its carapace, Raja Ampat, Indonesia.
A cove contains thousands of glass fish and some black coral, Raja Ampat, Indonesia.
A damselfish being eaten by a lizardfish, Anilao, Philippines.
A female paper nautilus swims through the black water in search of a mate, Anilao, Philippines.
A whip coral goby broods eggs it has laid on the whip coral where it lives, Anilao, Philippines.
A Doriprismatica nudibranch face on portrait, Anilao, Philippines.
A seahorse clings to a soft coral in a bed of sand, Anilao, Philippines.
A coconut octopus makes its way over a tangle of sea weed, Anilao, Philippines.
Cyerce elegans is one of the beautiful butterfly nudibranchs found in the Philippines, Anilao, Philippines.
A school of anthias darts around a coral reef, Anilao, Philippines.
A thorny seahorse clings to an algae stock, Anilao, Philippines.
A hawksbill sea turtle glides over the ocean floor, Maldives.
Two anemone fish make their home in a pink anemone, Maldives.
A school of yellow snapper hovers close to a coral reef, Maldives.
A nurse shark swims along a reef with a school of yellow snapper, Maldives.
A giant manta ray (Mobula birostris) soars by under the sun, Socorro Island, Mexico.
Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions
Views of the wreck of the Guvernoren, a 20th century whale processing ship, in the Enterprise Islands, Antarctica, Polar Regions
Adult female sea otter (Enhydra lutris kenyoni) eating urchins she has gathered off the sea floor in Inian Pass, Southeastern Alaska, Pacific Ocean, United States of America, North America
Adult female sea otter (Enhydra lutris kenyoni) eating urchins she has gathered off the sea floor in Inian Pass, Southeastern Alaska, Pacific Ocean, United States of America, North America
A pod of killer whales (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
Curious crabeater seals (Lobodon carcinophaga), swimming near iceberg at Booth Island near the Antarctic Peninsula, Polar Regions
Cerberilla nudibranch, Tulamben, Bali, Indonesia.
Ceratosoma nudibranch, Anilao, Philippines.
A group of eagle rays (Myliobatidae) swimming in the Maldives.
Sea anemone, Bohol Sea, Philippines.
Squat shrimp, Milne Bay, Papua New Guinea.
Eye close-up on a crocodile flathead, New Ireland, Papua New Guinea.
Eye detail of a juvenile crocodilefish, New Ireland, Papua New Guinea.
A young graysby (Cephalopholis cruentata) in an azure vase sponge, Little Cayman Island.
Hawksbill sea turtle (Eretmochelys imbricata) swimming in the Red Sea.
False clown anemonefish hide in their anemone in West Papua, Indonesia.
Sea lion blowing bubbles, Los Islotes, La Paz, Mexico.
Diving in Silfra in Iceland.
Extreme close-up of a lizardfish eyeball, Australia.
Extreme close-up showing the detail of Mushroom coral, Indonesia
Male great white shark, Guadalupe Island, Mexico.