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Curious California sea lion (Zalophus californianus) underwater at Los Islotes, Baja California Sur, Mexico, North America
A school of razorfish (Aeoliscus strigatus), head down posture at night on Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
A school of bigeye trevally (Caranx sexfasciatus), Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
A school of batfish (Platax orbicularis) on Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
Checkerboard wrasse (Halichoeres hortulanus), Batu Bolong Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia
Curious California sea lion pups (Zalophus californianus), underwater at Los Islotes, Baja California Sur, Mexico, North America
Adult tomato clownfish (Amphiprion frenatus), Mengiatan Island, Komodo National Park, Flores Sea, Indonesia, Southeast Asia, Asia
A shoal of Blue-striped Snappers (Lutjanus kasmira) swims across a tropical coral reef, in Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia
Young whale shark (Rhincodon typus), filter feeding near the surface at El Mogote, Baja California Sur, Mexico, North America
A pair of humpback whales (Megaptera novaeangliae), underwater on the Silver Bank, Dominican Republic, Greater Antilles, Caribbean, Central America
Humpback whale (Megaptera novaeangliae), mother and calf underwater, Ningaloo Reef, Western Australia, Australia, Pacific
Killer whale pod (Orcinus orca), off Punta Colorada, Isla San Jose, Baja California Sur, Mexico, North America
Adult leopard seal (Hydrurga leptonyx) inspecting the camera above and below water at Damoy Point, Antarctica, Polar Regions
Weedy sea dragon, Tasmania, Australia.
Shoal of sardines, Panagsama Beach, Moalboal, Cebu, The Visayas, Philippines, Southeast Asia, Asia
Female Great White Shark, Guadalupe Island, Mexico.
Detail of anchor coral tentacles (Euphyllia sp.) growing on a reef in Indonesia. This area is known for its high marine biodiversity.
Soft leather corals grow in the shallow waters in the Solomon Islands, Melanesia. This region, in the eastern part of the Coral Triangle, harbors spectacular marine biodiversity and is known for its beautiful reefs.
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 beautiful nudibranch (Hypselodoris bullockii) crawls slowly across a reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.
A beautiful set of tiny tunicates grows on a reef in Indonesia.This tropical region, within the Coral Triangle, is home to an incredible variety of marine life.
Delicate corals grow on a shallow reef near the island of Flores in Indonesia. This beautiful region is known for its spectacular reefs and high marine biodiversity.
Corals grow on a shallow reef in Indonesia. This beautiful, tropical region is known for its spectacular reefs and high marine biodiversity.
A hairy frogfish (Antennarius striatus) uses its incredible camouflage to successfully capture prey in Lembeh Strait, Indonesia.
Bright sunlight ripples across starfish on a shallow sand seafloor in the tropical Pacific Ocean.
A snowflake moray eel (Echidna nebulosa) pokes its head out of a hole in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity and is a popular destination for divers and snorkelers.
A flathead fish camouflages itself in the sandy seafloor of Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.
A lionfish (Pterois volitans) displays its venomous spines in Komodo National Park, Indonesia. This tropical area in the western Pacific harbors an extraordinary array of marine organisms.
A spine-cheeked anemonefish (Premnas biaculeatus) swims among the tentacles of its host anemone in Wakatobi National Park, Indonesia.
A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.
A yellow stingray (Urobatis jamaicensis) lays on the sandy seafloor of Turneffe Atoll in Belize. This small and beautiful elasmobranch ranges throughout the Caribbean Sea.
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 banded sea snake (Laticauda colubrina) swims at the surface in Wakatobi National Park, Indonesia. This is one of the most venomous snakes in the world.
A bigfin reef squid (Sepioteuthis lessoniana) hovers in nighttime waters off the coast of Komodo Island in Komodo National Park, Indonesia.
Detail of a colorful giant clam (Tridacna squamosa) growing on a reef near Alor in the Lesser Sunda Islands of Indonesia. This remote tropical region is home to extraordinary marine biodiversity. near Alor in the Lesser Sunda Islands of Indonesia.
A beautiful set of corals grows in extremely shallow water in Komodo National Park, Indonesia.
A hawksbill sea turtle (Eretmochelys imbricata) is found on a reef at night in Komodo National Park, Indonesia.
A beautiful nudibranch (Phyllidia ocellata) crawls over the seafloor of Raja Ampat in eastern Indonesia.
A beautiful nudibranch (Glossodoris rufomarginata) crawls across the black sand seafloor in Lembeh Strait, Indonesia.
Soft corals grow on the edge of a beautiful reef in the historic Banda Islands of eastern 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 lizardfish, Synodus sp., waits for prey to swim close by on a reef near Alor in Indonesia.
A colorful bouquet of tunicates grows on the seafloor of Lembeh Strait, Indonesia.
Detail of an anchor coral (Euphyllia ancora) growing in Lembeh Strait, Indonesia.
A school of scad (Selar leptolepis) swims beneath a pier in Raja Ampat, Indonesia.
Detail of the eye of a blue-spotted pufferfish, Arothron caeruleopunctatus, in Alor, Indonesia.
A well-camouflaged reef stonefish, Synanceia verrucosa, waits to ambush prey in Raja Ampat, Indonesia.
A beautiful soft coral colony, Dendronephthya sp., grows amid the remote, tropical islands of 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 beautiful bouquet of tunicates and cnidarians 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 healthy and colorful coral reef thrives among the scenic islands of Raja Ampat, Indonesia.
A brightly colored soft coral adorns prop roots in a blue water mangrove forest in Raja Ampat, Indonesia.
A brightly colored soft coral adorns a beautiful coral reef in Raja Ampat, Indonesia.
Cardinalfish school around a colorful coral bommie growing on a reef in Raja Ampat, Indonesia.
Sea lions play among the baitfish under the California Oil Rigs, Southern California.
A black manta ray, Mobula alfredi, visits a cleaning station on a reef in Komodo National Park, Indonesia.
A beautiful coral reef thrives in shallow water in Indonesia's Banda Sea.
A young humpback whale plays on the surface.
The curled arm of a crinoid, Anilao, Philippines.
Striated hairy frogfish yawning, Anilao, Philippines.
Pacific octopus off the coast of California.
Reef squid swimming, Anilao, Philippines.
Pelagic planktonic shrimp, Anilao, Philippines.
A juvenile broadclub cuttlefish about the size of a human thumb, Anilao, Philippines.
Great White Shark at Guadalupe Island, Mexico.
Two California sea lion (Zalophus californianus), playing under the sun in the water column, Sea of Cortez.
A nudibranch shares a home in a bottle with a lemon goby, Anilao, Philippines.
A boxfish portrait, Anilao, Philippines.
Cyerce elegans is one of the beautiful butterfly nudibranchs found in the Philippines, Anilao, Philippines.
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding, Southeast Alaska, United States of America, North America
Northern (Steller) sea lion (Eumetopias jubatus) hauled out in Inian Pass, Southeastern Alaska, Pacific Ocean, United States of America, North America
A large pod of Gerlache Strait type B killer whales (Orcinus orca), traveling and socializing in Gerlache Strait, Antarctica, Polar Regions
Adult female killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
A view of a nuclear powered submarine in the industrial and militarized Russian seaport city of Murmansk, Murmansk Oblast, Russia, Arctic, Europe
Humpback whale (Megaptera novaeangliae), surfacing off Half Moon Island in the South Shetland Island Group, Antarctica, Polar Regions
A hairy squat lobster (Lauriea siagiani), Anilao, Philippines.
Humpback whale (Megaptera novaeangliae) calf playing at the surface.
Two oceanic manta rays (Mobula birostris) coming in to a cleaning station, Maldives.
Harlequin shrimp (Hymenocera elegans), Tulamben, Bali, Indonesia.
Denise's pygmy seahorse (Hippocampus denise), Kimbe Bay, Papua New Guinea.
A pygmy goby, New Ireland, Papua New Guinea.
Longarm octopus crawls along the seafloor of Blue Heron Bridge, West Palm Beach, Florida.
An oceanic manta ray feeding in Isla Mujeres, Mexico.
Stingrays swim through the deeper waters of Stingray City in Grand Cayman, Cayman Islands.
Christmas tree worm in Raja Ampat, Indonesia.
Sea fan on soft coral in Raja Ampat, Indonesia.
Goby on coral, Australia.
Pair of lionfish, Indonesia.
Cuttlefish, Indonesia.
Underwater photographer taking a photograph of a male great white shark, Guadalupe Island, Mexico.
Trio of snappers hunting for bait fish, Los Islotes, La Paz, Mexico.
Underwater profusion of hard plate corals at Pulau Setaih Island, Natuna Archipelago, Indonesia, Southeast Asia, Asia
Snorkeler in underwater profusion of hard plate corals at Pulau Setaih Island, Natuna Archipelago, Indonesia, Southeast Asia, Asia
Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe
Schooling yellow-tailed surgeonfish (Prionurus punctatus), underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) feeding underwater in the Galapagos, UNESCO World Heritage Site, Ecuador, South America
Spotted eagle rays (Aetobatus narinari) underwater at Leon Dormido Island off San Cristobal Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Spotted eagle rays (Aetobatus narinari) underwater at Leon Dormido Island off San Cristobal Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Galapagos penguin (Spheniscus mendiculus) feeding underwater on small baitfish in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America