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Humpback whale (Megaptera novaeangliae), adult breaching on Ningaloo Reef, Western Australia, Australia, Pacific
Humpback whale (Megaptera novaeangliae), adult flukes up dive on Ningaloo Reef, Western Australia, Australia, Pacific
Humpback whale (Megaptera novaeangliae), adult breaching on Ningaloo Reef, Western Australia, Australia, Pacific
A school of striped catfish (Plotosus lineatus), off the reef on Bangka Island, near Manado, Indonesia, Southeast Asia
A school of round batfish (Platax orbicularis), off the reef on Bangka Island, near Manado, Indonesia, Southeast Asia
A school of bigeye trevally (Caranx sexfasciatus), Village Reef, Raja Ampat, Indonesia, Southeast Asia
A school of striped eel catfish (Plotosus lineatus), swimming on the reef off Bangka Island, Indonesia, Southeast Asia
A school of razor surgeonfish (Prionurus laticlavius), on the reef at Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
A large school of convict tang (Acanthurus triostegus) on the only living reef in the Sea of Cortez, Cabo Pulmo, Baja California Sur, Mexico, North America
Bangka (boat) over coral, Chindonan Island, Calamian Islands, Coron, Palawan, Philippines, Southeast Asia, Asia
Aerial view of Balos Lagoon, Balos Beach and Cape Tigani, Gramvousa Peninsula, Chania Region, Crete, Greek Islands, Greece, Europe
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.
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 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.
Detail of the tentacles of a tube anemone growing on a coral reef near Alor in Indonesia.
A beautiful coral reef thrives among the remote, tropical islands of Raja Ampat, Indonesia.
An ornate ghost pipefish, Solenostomus paradoxus, hovers near a hydroid on a reef in Raja Ampat, Indonesia.
A beautiful coral reef grows in a remote part 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 coral reef thrives amid the tropical islands of Raja Ampat, Indonesia.
A black manta ray, Mobula alfredi, visits a cleaning station on a reef in Komodo National Park, Indonesia.
Guadalupe fur seals (Arctocephalus townsendi), underwater on Las Animas Island, Baja California Sur, Sea of Cortez, Mexico, North America
Spotted eagle rays (Aetobatus narinari) underwater at Leon Dormido Island off San Cristobal Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A myriad of hard and soft corals, as well as tropical reef fish on the healthy reef near Volivoli Resort on Viti Levu, Fiji, South Pacific, Pacific
A diver approaches a beautiful gorgonian sea fan, Cayman Islands.
Hawksbill sea turtle eating, Castle Wall, Grand Cayman.
Sea fan on the colorful reefs of Komodo, Indonesia.
Soft corals in the colorful reefs of the Banda Sea, Indonesia.
Snorkeler exploring heart-shaped reef in Banda Sea, Indonesia.
Colorful reef with fishes and sun burst in Komodo, Indonesia.
Free diver exploring the shallow reefs of the Banda Sea, Indonesia.
Soft coral in the reef at Komodo, Indonesia.
A Sheepshead looks on as a pair of Blue Angelfish appear to be confused on which direction to go but each are feeding on different parts of coral and algae covered jetty rocks at St. Andrew Bay channel wall in Panama City Beach, Florida.
Close-up of a bicolor damselfish (Stegastes partitus) as it swims up from the coral reef 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 small Ambon chromis (Chromis amboinensis) swimming amongst coral in Beqa Lagoon, Fiji.
Plate coral (Acropora hyacinthus) Beqa Lagoon, Fiji.
A large common lionfish (Pterois volitans) swimming at Beqa Lagoon, Fiji.
Schooling scalefin anthias fish (Pseudanthias squamipinnis) and beautiful soft corals of Beqa Lagoon, Fiji.
A large red gorgonian sea fan and large tiger cowrie (Cypraea tigrisis), Beqa Lagoon, Fiji.
A large red gorgonian sea fan, Beqa Lagoon, Fiji.
Nudibranch feeding on algae, Papua New Guinea.
Scribbled Pipefish on a pink sponge, Papua New Guinea.
A pair of nudibranch feeding on algae, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Dwarf Hawkfish, 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 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.
A common spiny lobster backs his way into the protection of the reef, Bonaire, Caribbean Netherlands.
Schooling Brown Chromis, Bonaire, Caribbean Netherlands.
Pair of Caribbean reef sharks (Carcharhinus perezi) swimming along the reef, Jardines De La Reina, Cuba.
Pair of Chromodoris annae nudibranch with brilliant blue and yellow skirt, crawling over green and pink coral, Anilao, Batangas, Philippines.
Green sea turtle (Chelonia mydas) on a ledge with a red gorgonian sea fan, North Sulawesi, Indonesia.
Yellow and white damselfish, Bali, Indonesia.
Yellow and orange anemone mouth, Sabah, Malaysia.
Flying Gurnard on sand in Carribean Sea.
Stoplight Parrotfish on Caribbean reef.
A common clownfish in a symbiotic sea anemone, Solomon Islands.
Coral Reefs Monument at the waterfront of San Miguel de Cozumel, Cozumel Island, Quintana Roo State, Mexico
Coral Reefs Monument at the waterfront of San Miguel de Cozumel, Cozumel Island, Quintana Roo State, Mexico
Coral Reefs Monument at the waterfront of San Miguel de Cozumel, Cozumel Island, Quintana Roo State, Mexico
Half above and half below on a remote small Islet in the Badas Island Group off Borneo, Indonesia, Southeast Asia, Asia
A myriad of hard and soft corals compete for space on the substrate of Darwin's Wall, Palau, Micronesia, Pacific
An adult Pacific reef heron (Egretta sacra), hunting for prey on Montgomery Reef, Kimberley, Western Australia, Australia, Pacific
Snorkeling woman holding starfish underwater, The Maldives, Indian Ocean
Coral reef and sea life banner, The Maldives, Indian Ocean
Coral reef and sea life banner, The Maldives, Indian Ocean
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), massing in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), massing in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus), with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) buried in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) over sand in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) over sand in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Tourists hand-feeding tarpon (Megalops atlaticus), at feeding station inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), on the reef near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Tourist hand-feeding magnificent frigatebird (Fregata magnificens), at feeding station, Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), surfacing for air near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Tourist hand-feeding magnificent frigatebird (Fregata magnificens), at feeding station, Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize