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Tomato clownfish in its host anenome, Fiji.
Close-up of a popcorn shrmp (Periclimenes brevicarpalis) on an anenome on a Fijian Reef.
Nudibranch feeding on algae, Papua New Guinea.
False Ocellaris Clownfish in its host anemone, Papua New Guinea.
False Ocellaris Clownfish in its host anemone, Papua New Guinea.
False Ocellaris Clownfish in its host anemone, Papua New Guinea.
Dog face puffer hides in a sponge, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Beautiful nudibranch on coral, Papua New Guinea.
Nudibranch feeding on a sponge, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
A large 10 foot Tiger Shark swims into the feeding zone, Fiji.
A large 10 foot Tiger Shark swims into the feeding zone, Fiji.
Cinnamon Clownfish (Amphiprion melanopus) in its host anemone.
Hawksbill turtle glides over the pristine reefs in Fiji.
A beautiful Ribbon Eel displays its open mouth to the photographer,Fiji.
A beautiful blue ribbon eel displays its open mouth to the photographer, Fiji.
Detailed view of soft coral revealing the spicules that give stability to its form, Fiji.
Red goby sitting motionless on whip coral, Fiji.
Red goby sitting motionless on whip coral, Fiji.
A school of orange basslets (Pseudanthias squamipinnis) on a healthy coral reef, Fiji.
Swarms of small baitfish swim above a large sea anenome, Fiji.
A huge bull shark with accompanying remora and schooling giant trevally, Fiji.
Macro image of a Christmas Tree Worm, Bonaire, Caribbean Netherlands.
Hawksbill sea turtle (Eretmochelys imbricata), a critically endangered species, frontal view, South Ari Atoll, Maldives.
Three giant oceanic manta rays (Mobula birostris) circling at a cleaning station, South Ari Atoll, Maldives.
Hawksbill sea turtle (Eretmochelys imbricata), a critically endangered species, frontal view, South Ari Atoll, Maldives.
A reef manta ray (Mobula alfredi) swimming above a reef top in Komodo National Park, Indonesia.
Diver looks on at sponges, coral and crinoids in a colorful Komodo seascape, taken at Cannibal Rock, Horseshoe Bay, Komodo National Park, Indonesia.
Diver looks on at sponges, pink soft corals and crinoids in a colorful Komodo seascape, Komodo National Park, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Komodo National Park, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Indonesia.
A diver swims over a Komodo reef with a hawksbill sea turtle off of Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Indonesia.
Tomato clownfish, Yap, Micronesia.
Anthias fish, Red Sea, Egypt.
Large school of dozens of scalloped hammerhead shark converging towards the surface, silhouetted against the blue water, Cocos Island.
Caribbean reef shark swallowing a lionfish, with mouth open and eyelids closed, Jardines De La Reina, Cuba.
Blue and white striped Periclimenes shrimp over a mottled green and red anemone, Jardines De La Reina, Cuba.
Whale shark swimming with mouth open, accompanied by fusilier fish, Maldives.
Top view of a pnk barrel sponge looking like a saucer against the cyan reef bottom, Cenderawasih Bay, West Papua, Indonesia.
Pair of orange and red christmas tree worms on top of yellow hard coral, Pulau Aur, Johor, Malaysia.
Pink hairy squat lobster (Lauriea siagiani) inside a pink barrel sponge, Lembeh Strait, Bitung, North Sulawesi, Indonesia.
Orange gorgonian sea fan, Christmas Island, Australia.
Divers photographing a Giant Grouper, Great Barrier Reef, Queensland, Australia.
Giant Grouper, Great Barrier Reef, Queensland, Australia.
Sea snail on black background, Sisimiut, Greenland
Whale Shark feeding off coast of Isla Mujeres, Mexico.
Whale Shark off coast of Isla Mujeres, Mexico.
Diver with large purple sea fan, Cariibean Sea.
A sea lion, Zalophus Californianus, holds a sea star in its mouth, Sea of Cortez, Los Islotes, Mexico.
A green sea turtle, Solomon Islands.
Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean
Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean
Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean
Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean
Crab, Tsarabanjina island, Mitsio archipelago, Republic of Madagascar, Indian Ocean
Southern Right Whale (Eubalaena australis) mother and calf being harassed by kelp gull, Peninsula Valdez, Argentina
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
A young polar bear (Ursus maritimus) scavenging a fresh bearded seal kill recently vacated by old male that killed the seal, Svalbard, Norway
Group of at least eight killer whales (Orcinus orca) surfacing off the coast of the island of Surtsey, southern Iceland
Harp seal (Pagophilus groenlandicus), hauled out on the pack-ice in between Iceland and Greenland in the Denmark Strait, Denmark
A small pod of pack Ice type B killer whales (Orcinus orca), just after making a Weddell seal kill in the Lemaire Channel, Antarctica, Polar Regions
A slightly bleached staghorn coral colony grows in shallow water in the Solomon Islands. This Melanesian region is known for its spectacular marine biodiversity.
A pair of colorful tunicates grows on a reef in Lembeh Strait, Indonesia. This is a filter-feeding organism.
A Clark's anemonefish (Amphiprion clarkii) snuggles amongst its host's tentacles on a reef in Lembeh Strait, Indonesia.
False clownfish (Amphiprion ocellaris) swim near their host anemone in Alor, Indonesia. This remote region is known for its beautiful reefs and spectacular marine biodiversity.
Beautiful soft coral colonies grow on a healthy coral reef in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
A blue starfish (Linckia laevigata) clings to a coral reef in Komodo National Park, Indonesia.
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 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.
A Clark's anemonefish (Amphiprion clarkii) snuggles amongst its host's tentacles on a reef in Lembeh Strait, Indonesia.
Vibrant soft coral colonies grow on a reef dropoff in Lembeh Strait, Indonesia. This area is known for its spectacular marine biodiversity.
A bulbed anemone (Entacmaea quadricolor) grows on a reef in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity and is a popular destination for divers and snorkelers.
A Clark's anemonefish (Amphiprion clarkii) snuggles into the tentacles of its host anemone in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity and is a popular destination for divers and snorkelers.
A venomous stonefish (Synanceia verrucosa) camouflages itself in sand in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
Detail of a large coral polyp in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
A Black-finned snake eel (Ophichthus cephalozona) pokes its head out of a sandy seafloor in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.
Detail of a stony coral (Galaxea sp.) growing in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
Fast-growing corals (Acropora sp.) are being grown by scientists in the Caribbean Sea. Once they reach a certain size they will be planted on a reef that has been previously damaged.
A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.
Colony of tunicates grow on a reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
Colorful tunicates and soft corals grow on a reef in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
A pink anemonefish (Amphiprion perideraion) swims among the tentacles of its host anemone in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
Detail of the texture on a mushroom coral (Fungia sp.) growing in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
A small red starfish clings to coralline algae in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
A shallow coral reef thrives in Wakatobi National Park, Indonesia. This remote region is known for its incredible marine biodiversity and gorgeous reefs.
A large mantis shrimp (Lysosquilla sp.) uses its excellent eyesight to scan its underwater environment in the Lesser Sunda Islands of Indonesia.
A predatory lizardfish is finishing off a meal of a blenny in the Lesser Sunda Islands of Indonesia.
Detail of a colorful giant clam (Tridacna maxima) growing on a reef near Alor in the Lesser Sunda Islands of Indonesia.
A female ribbon eel (Rhinomuraena quaesita) yawns as it lives on a sandy slope near Alor in the Lesser Sunda Islands of Indonesia.
A beautiful reef full of soft corals grows in Komodo National Park, Indonesia.
A broadclub cuttlefish (Sepia latimanus) hovers above a beautiful coral reef in Komodo National Park, Indonesia.
An ornate ghost pipefish (Solenostomus paradoxus) hovers above a coral reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.
Acoel flatworms cover a coral colony on a reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.
A Papuan scorpionfish (Scorpaenopsis papuensis) lies on a reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.
A hermit crab crawls across a reef in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.