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A Butterflyfish swims up along a coral reef in the warm and clear ocean waters of Papua New Guinea.
Close-up of a bicolor damselfish (Stegastes partitus) as it swims up from the coral reef off the coast of Key Largo, Florida.
A Map Turtle (Graptemys geographica) surfaces for air in the clear blue waters of Morrison Springs, a state park in Northwest Florida. The calm glassy water reflects the bright colors of the turtle with it's head above the surface but it's body inches below the surface.
A Spotted Trunkfish (Lactophrys bilcaudalis) swims over an algae covered coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Spotted Moray Eel (Gymnothorax moringa) displays an open mouth as it protrudes it's head just outside a hole in a coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A French Angelfish (Pomacanthus paru) swims up close to a Blue Striped Grunt (Haemulon sciurus) under a coral reef ledge in the Atlantic Ocean off the coast of Key Largo, Florida.
A Rainbow Parrotfish (Scarus guacamaia) pokes it's head out from a hole in the coral reef in the Atlantic Ocean off the coast of Key Largo, Florida.
A Gray Angelfish (Pomacanthus arcuatus) swims by diamond and fire corals in the shallow waters of the Atlantic Ocean off the coast of Key Largo, Florida.
A large Goliath Grouper, Epinephelus itajara, effortlessly floats by and over the City of Washington shipwreck in about 60 feet of water off the coast of Key Largo, Florida.
Plate coral (Acropora hyacinthus) Beqa Lagoon, Fiji.
Scuba diver and silvertip shark (Carcharhinus albimarginatus) at The Bistro Dive site in Fiji.
A large red gorgonian sea fan and black crinoid, Beqa Lagoon, Fiji.
Red tree coral (Dendronephthya) on a Fijian reef.
A large red gorgonian sea fan and large tiger cowrie (Cypraea tigrisis), Beqa Lagoon, Fiji.
Chromodoris kuniei nudibranch, Beqa Lagoon, Fiji.
False Ocellaris Clownfish in its host anemone, Papua New Guinea.
Juvenile Ocellaris Clownfish in its host anemone, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
A live conch shellfish looks out of its shell, Papua New Guinea.
Beautiful nudibranch on coral, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on a sponge, Papua New Guinea.
False Ocellaris Clownfish in its host anemone, Papua New Guinea.
Nudibranch feeding on algae, 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.
Tawny Nurse Shark swims away after eating some fish scraps, Fiji.
Deep reef scene in Fiji with a beautiful gorgonian fan.
An underwater photographer swims past a large yellow gorgonian fan with a bed of red soft corals beneath it, Fiji.
A large Lemon Shark gulps down a large tuna head in front of a crowd of divers, Fiji.
Red goby sitting motionless on whip coral, Fiji.
Scuba diver swims by some large sponges off the coast of Bonaire, Caribbean Netherlands.
Scuba diver swims by some large sponges off the coast of Bonaire, Caribbean Netherlands.
Queen Parrotfish feeding on algae, Bonaire, Caribbean Netherlands.
Scuba diver propels above a large vase sponge, Bonaire, Caribbean Netherlands.
Scuba diver navigates the waters using a diver propulsion vehicle off the coast of Bonaire, Caribbean Netherlands.
Two Sharknose Gobies clean a Red Hind, Bonaire, Caribbean Netherlands.
Scuba diver swimming underwater amongst sea sponges, Bonaire, Caribbean Netherlands.
Detailed view of a beautiful Flamingo Tongue Snail, Bonaire, Caribbean Netherlands.
Detailed view of a beautiful Flamingo Tongue Snail, Bonaire, Caribbean Netherlands.
Juvenile Damselfish use a large sponge for cover, Bonaire, Caribbean Netherlands.
Macro image of a Christmas Tree Worm, Bonaire, Caribbean Netherlands.
Scuba diver uses a diver propulsion vehicle to navigate the waters off the coast of Bonaire, Caribbean Netherlands.
Hawksbill sea turtle (Eretmochelys imbricata), a critically endangered species, feeding on soft coral, side view, South Ari Atoll, Maldives.
Three giant oceanic manta rays (Mobula birostris) circling at a cleaning station, South Ari Atoll, Maldives.
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, Indonesia.
Diver looks on at sponges, soft corals and crinoids in a colorful Komodo seascape, Indonesia.
Tomato clownfish, Yap, Micronesia.
Pink anemonefish (Amphiprion perideraion) with its host anemone, Yap, Micronesia.
Blacktip reef shark, Yap, Micronesia.
Anthias fish, Red Sea, Egypt.
Citron goby (Gobiodon citrinus), Red Sea, Egypt.
Chromodoris Annulata nudibranch, Red Sea, Egypt.
Blue and white striped Periclimenes shrimp over a mottled green and red anemone, Jardines De La Reina, Cuba.
Portrait of an emperor angelfish (Pomacanthus imperator) set against a dark background, Indonesia.
School of cownose ray in formation over white sandy bottom of an aquarium in Singapore.
Whale shark swimming under a boat, with sharp sunrays cutting through the water, Cenderawasih Bay, West Papua, Indonesia.
Whale shark coming up from the depths under the boat, mouth wide open, with sharp sunrays cutting through the water.
Airplane wreck sitting atop reef, overgrown with soft coral and crinoids, Cenderawasih Bay, West Papua, Indonesia.
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.
Yellow black coral bush and yellow and blue striped sweeltip fish, Komodo, Indonesia.
Divers hovering above a large pink barrel sponge, Indonesia.
Yellow trumpetfish, Easter Island, Chile.
Orange and white clownfish inside a red and green anemone, North Sulawesi, Indonesia.
Yellow and white damselfish, Bali, Indonesia.
Yellow and orange anemone mouth, Sabah, Malaysia.
Whale shark reflected on surface with scuba diver in the distance, Christmas Island, Australia.
Stargazer ugly face, Puerto Galera, Negros Oriental, Philippines.
Spotted grouper with orange cleaner shrimp, Bali, Indonesia.
Pair of pink flatworms, Kalimantan, Indonesia.
Oriental sweetlip and yellow snapper at cleaning statiuon with a cleaner wrasse, Ari and Male Atoll, Maldives.
Giant moray eel and cleaner wrasse, Ari and Male Atoll, Maldives
Sea snail on black background, Sisimiut, Greenland
Great white shark (Carcharodon carcharias) swims by divers in a shark cage, Isla Guadalupe, Baja California, Mexico. The divers are feeding the shark jack mackerel (Trachurus symmetricus).
Ships bell on an unknown wreck, Oland, Sweden.
Technical diver in cave system, Mexico.
Diver using side mount gear in cave in Mexico.
Whale Shark feeding off coast of Isla Mujeres, Mexico.
Diver exploring the ARM General Felipe Xicotencatl (C53) shipwreck in Cozumel, Mexico.
Diver enters the cavern system at Chac Mool cenote in the Riviera Maya area of Mexico's Yucatan Peninsula.
Porcupine fish in swimming in the Caribbean Sea.
Sea nettle is host to a small shrimp in the Atlantic Ccean off the coast of North Carolina.
Flying Gurnard on sand in Carribean Sea.
Divers visit the wreck of the Pelicano which sits on the bottom of the Caribbean Sea near Playa Del Carmen, Mexico.
An Invasive Indo-Pacific Lionfish off the coast of North Carolina in the Atlantic Ocean.
Cenote diver enters Taj mahal cavern on Yucatan peninsula in Mexico.
A cavern diver enters the Taj Mahal cenote system on Mexico's Yucatan Peninsula.
Sea Nettle Jellyfish in Atlantic Ocean.
A sea lion, Zalophus Californianus, holds a sea star in its mouth, Sea of Cortez, Los Islotes, Mexico.
Glassfish swirling around a natural arch full of soft corals, Raja Ampat, Indonesia.
Soft and hard corals make a coral bommie surrounded by anthias and other small reef fish, Raja Ampat, Indonesia.
Humpback whale (Megaptera novaeangliae), adult underwater on the Silver Bank, Dominican Republic, Greater Antilles, Caribbean, Central America
Humpback whale (Megaptera novaeangliae), mother and calf underwater on the Silver Bank, Dominican Republic, Greater Antilles, Caribbean, Central America
Humpback whale (Megaptera novaeangliae), adult underwater on the Silver Bank, Dominican Republic, Greater Antilles, Caribbean, Central America