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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 sinuous soft coral grows in the shallows amid the tropical islands of Raja Ampat, Indonesia.
A beautiful nudibranch, Doriprismatica atromarginata, feeds on a reef in Indonesia's Banda Sea.
A small, well-camouflaged cuttlefish, Sepia sp., hovers on a rocky seafloor in the Banda Sea, 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 colorful warty frogfish, Antennarius maculatus, yawns as it waits for prey to swim close by in Komodo National Park, 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 bright yellow crinoid clings to a healthy coral reef near Alor, Indonesia.
Detail of a reef-building coral colony, Favia sp., growing on a healthy reef in Komodo National Park, Indonesia.
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 Nembrotha cristata nudibranch crawls over a tunicate.
Crinoids and soft corals cover this reef in Raja Ampat, Indonesia.
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.
A black manta ray, Mobula alfredi, visits a cleaning station on a reef in Komodo National Park, Indonesia.
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 beautiful coral reef thrives in shallow water in Indonesia's Banda Sea.
A healthy coral reef thrives in Komodo National Park, Indonesia.
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 young sea lion plays under the an oil rig platform, Southern California.
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 silky shark swims against a school of black jacks, Socorro Island, Mexico.
A reef squid hovers in mid-water, Anilao, Philippines.
A cuttlefish hunts at night, Anilao, Philippines.
Pelagic planktonic shrimp, 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.
A hawksbill turtle glides through the water on a sunny day.
A titan triggerfish aggressively defends it's nest of eggs in the sand.
A school of unicorn fish hover over the Yolanda wreck, Red Sea, Egypt.
Huge table corals cover a reef in Indonesia that is teeming with fish, Raja Ampat, Indonesia.
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.
A finespotted jawfish surrounded by starfish.
Panamic cushion stars (Pentaceraster cumingi), gather on the sea floor, Sea of Cortez.
A pair of cuttlefish mating over a coral reef, Raja Ampat, Indonesia.
A damselfish being eaten by a lizardfish, Anilao, Philippines.
A longarm octopus flashes its colors at night, Anilao, Philippines.
A female paper nautilus swims through the black water in search of a mate, 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 colorful tiger shrimp ventures from its home under rubble for only a few seconds, Anilao, Philippines.
Cyerce elegans is one of the beautiful butterfly nudibranchs found in the Philippines, Anilao, Philippines.
Marbled grouper from the French Polynesian Islands gather in the South Pass of Fakarava to spawn just once a year, French Polynesia.
A hawksbill sea turtle glides over the ocean floor, Maldives.
A giant manta ray (Mobula birostris) soars by under the sun, Socorro Island, Mexico.
A school of sweetlip fish stacked up against a coral head, 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 reef manta ray (Mobula alfredi), hovers over a reef where small cleaner wrasse will relieve her of her parasites, 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.
Just beneath the surface of the Red Sea lies a beautiful hard coral garden.
A coral bommie in the Red Sea at Yolanda Reef is full of anthias fish.
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
Young adult bull southern elephant seal (Mirounga leonina) close up while swimming in glacier run off, South Georgia Island, Polar Regions
Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions
Southern right whale (Eubalaena australis) adult female flukes-up to catch the wind in Puerto Pyramides, Argentina, South America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Snow Pass, Alaska, United States of America, North America
Glacial iceberg detail from ice calved off the LeConte Glacier, Southeast Alaska, Pacific Ocean, United States of America, North America
Adult sea otter (Enhydra lutris kenyoni) mother with her pup on her chest 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
AI generated image of a Robot collecting samples of giant mussels and tubeworms in the deep sea
A large pod of Gerlache Strait type B killer whales (Orcinus orca), traveling and socializing in Gerlache Strait, Antarctica, Polar Regions
An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America
A spider web in the early morning mist, Prince Rupert, British Columbia, Canada, North America
Adult female killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
Humpback whale (Megaptera novaeangliae), surfacing off Half Moon Island in the South Shetland Island Group, Antarctica, Polar Regions
Curious crabeater seals (Lobodon carcinophaga), swimming near iceberg at Booth Island near the Antarctic Peninsula, Polar Regions
Several intermediate and one adult longfin spadefish (Platax teira) swimming in the Maldives.
A longspine grouper (Epinephelus longispinis) being cleaned by a cleaner wrasse (Labroides dimidiatus).
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.
Glossodoris nudibranch, Anilao, Philippines.
Headshot of a fimbriated moray eel (Gymnothorax fimbriatus).
Cerberilla nudibranch, Tulamben, Bali, Indonesia.
Denise's pygmy seahorse (Hippocampus denise), Kimbe Bay, Papua New Guinea.
Common ghost goby (Pleurosicya mossambica), Kimbe Bay, Papua New Guinea.
A juvenile ornate ghost pipefish (Solenostomus paradoxus).