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A hermit crab crawls across a reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.
A tiny shrimp (Periclimenes soror) lives on a pin-cushion starfish in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.
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 colorful and healthy coral reef thrives in shallow water in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.
A broadclub cuttlefish (Sepia latimanus) uses camouflage to blend into a shallow coral reef in Raja Ampat, Indonesia. This remote region is known as the heart of the Coral Triangle due to its extraordinary marine biodiversity.
A warty frogfish (Antennarius maculatus) is well-camouflaged as it waits to ambush prey on a reef in Komodo National Park, Indonesia.
Detail of an encrusting sponge growing on a coral reef in Komodo National Park, Indonesia.
A predatory stonefish (Synanceia verrucosa) lies camouflaged in the sandy seafloor of Komodo National Park, Indonesia. This is the most venomous fish on Earth but uses its venom only for defensive purposes.
A beautiful Blue Velvet Head Shield sea slug (Chelidonura varians) crawls across a sandy seafloor near Alor in the Lesser Sunda Islands of Indonesia.
A young false clownfish (Amphiprion ocellaris) snuggles into its host anemone in Komodo National Park, Indonesia.
Colorful chocolate chip sea stars (Protoreaster nodosus) lay on the shallow sandy seafloor of Raja Ampat in eastern Indonesia.
A baby broadclub cuttlefish (Sepia latimanus) hovers in Lembeh Strait, Indonesia.
A blue line grouper (Cephalopholis formosa) swims on a reef in the Lesser Sunda Islands of Indonesia.
Colorful tunicates, sponges, hydroids, and other invertebrates grow on a reef in Raja Ampat, Indonesia.
A manta ray (Mobula alfredi) swimming near a cleaning station in Raja Ampat, Indonesia.
A small striped dwarf goby, Trimma striatum, sits on a coral colony in Alor, Indonesia.
A coconut octopus (Amphioctopus marginatus) clings to shells on the seafloor in Lembeh Strait, Indonesia.
Unidentified mollusk eggs lay on the seafloor of Lembeh Strait, Indonesia.
A crown of thorns starfish (Acanthaster planci) feeds on a coral reef growing near an island in the Banda Sea, Indonesia.
A porcelain crab sits on its host anemone in Lembeh Strait, Indonesia.
A well-camouflaged tasseled wobbegong shark (Eucrossorhinus dasypogon) lies on the sandy seafloor of Raja Ampat, Indonesia.
A beautiful feather duster worm, Bispira sp., grows on a coral reef in Alor, Indonesia.
A colorful nudibranch, Phyllidia varicosa, crawls on a black sand seafloor in Alor, Indonesia.
A bi-color flabellina nudibranch, Flabellina bicolor, crawls across a black sand seafloor in Alor, Indonesia.
A large roughtail stingray, Dasyatis centroura, lays on the seagrass-covered seafloor of Turneffe Atoll off the coast of Belize. This reef is part of the massive Mesoamerican Reef System in the Caribbean Sea, the second largest barrier reef on Earth.
A spinner dolphin, Stenella longirostris, gracefully glides through the clear, blue waters of the Pantar Strait near Alor in Indonesia.
A pink anemonefish, Amphiprion perideraion, swims above its beautiful host anemone 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.
Colorful chocolate chip sea stars, Protoreaster nodosus, cover the seafloor in a seagrass meadow in Wakatobi National Park, Indonesia.
A large roughtail stingray, Dasyatis centroura, lays on the seagrass-covered seafloor of Turneffe Atoll off the coast of Belize. This reef is part of the massive Mesoamerican Reef System in the Caribbean Sea, the second largest barrier reef on Earth.
A crown-of-thorns sea star (Acanthaster planci) feeds on a living coral colony among the remote, tropical islands of Raja Ampat, Indonesia.
A cluster of colorful tunicates grow on a coral reef amid the remote, tropical islands of Raja Ampat, Indonesia.
A vibrant nudibranch, Chromodoris sp., crawls across a coral reef in the remote, tropical islands of Raja Ampat, Indonesia.
A young humpback whale, Megaptera novaeangliae, breaches out of the blue waters of the Caribbean Sea.
A blue starfish on a beautiful coral reef in the shallows of 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 humpback whale, Megaptera novaeangliae, swims in the clear, blue waters of the Caribbean Sea.
A magnificent humpback whale, Megaptera novaeangliae, swims in the clear, blue waters of the Caribbean Sea.
A beautiful coral reef thrives in a remote part of Raja Ampat, Indonesia.
Small cardinalfish hover amid mangrove prop roots 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 school of lined sweetlips, Plectorhinchus lineatus, swim above a healthy coral reef in Raja Ampat, Indonesia.
Garden coral, sponges, and other invertebrates grow in a shallow 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.
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.
An unidentified scorpionfish waits to ambush prey on a black sand slope 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.
An amazingly beautiful coral reef thrives among the scenic islands of Raja Ampat, Indonesia.
Sunlight shines on beautiful corals thriving among the scenic islands of Raja Ampat, Indonesia.
A hairy frogfish, Antennarius striatus, lies on the dark, sandy seafloor 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 huge giant clam, Tridacna gigas, grows on a shallow coral reef amid the tropical islands of Raja Ampat, Indonesia.
A blue sea star, Linkia laevigata, clings to a healthy coral reef in Raja Ampat, Indonesia.
Beautiful mushroom coral and reef fish thrive 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 juvenile painted spiny lobster, Panulirus versicolor, crawls out of a reef crevice amid the islands of Raja Ampat, Indonesia.
A velvetfish, Paraploactis sp., waits for prey to swim by in Lembeh Strait, Indonesia.
A massive giant clam, Tridacna gigas, grows on a shallow coral reef in Raja Ampat, Indonesia.
A juvenile painted spiny lobster, Panulirus versicolor, inhabits a crevice on a reef 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 sinuous soft coral grows in the shallows amid the tropical islands of Raja Ampat, Indonesia.
A well-camouflaged tasselled wobbegong, Eucrossorhinus dasypogon, lies on the seafloor in Raja Ampat, Indonesia.
A beautiful nudibranch, Doriprismatica atromarginata, feeds on a reef in Indonesia's Banda Sea.
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 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.
Detail of a colonial tunicate growing on a coral 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.
A spotted porcelain crab, Neopetrolisthes maculatus, snuggles into its host anemone 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.
Two nudibranchs with two emperor shrimp riding on their backs, Tulamben, Bali, Indonesia.
A banded pipefish hovers above the substrait where it lives, Anilao, Philippines.
A lionfish portrait, Anilao, Philippines.
A young sea lion plays under the an oil rig platform, Southern California.
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 reef squid hovers in mid-water, Anilao, Philippines.
A pregnant pygmy seahorse clings to a frond of a gorgonian fan, Anilao, Philippines.
Striped catfish swim in schools feeding one in front of the other, Anilao, Philippines.
A pod of four dolphins swim playfully near a popular coral reef in the Red Sea.
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 crocodile approaches slowly over the sand, Caribbean Sea, Mexico.
Crocodile under water, Caribbean Sea, Mexico.
An oceanic whitetip shark approaches from the blue waters around Elphinstone, Red Sea.
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 hawksbill turtle rests on a coral reef, Raja Ampat, Indonesia.
A cove contains thousands of glass fish and some black coral, Raja Ampat, Indonesia.
A female paper nautilus swims through the black water in search of a mate, Anilao, Philippines.