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    Sweetlips swimming over reef — Stock Photo
    Sweetlips swimming over reef
    Grey reef sharks in blue water — Stock Photo
    Grey reef sharks in blue water
    Orange clown fish swimming by anemones in water. — Stock Photo
    Orange clown fish swimming by anemones in water.
    Healthy reef-building corals on reef — Stock Photo
    Healthy reef-building corals on reef
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoans, amoebas in oral cavity, digital illustration.
    Dense school of Bluestripe Snappers (Lutjanus kasmira) at a Maui, Hawaii, USA. Molokini Crater, Maui — Stock Photo
    Dense school of Bluestripe Snappers (Lutjanus kasmira) at a Maui, Hawaii, USA. Molokini Crater, Maui
    Circling school of jacks in blue water — Stock Photo
    Circling school of jacks in blue water
    Damselfish swimming above corals — Stock Photo
    Damselfish swimming above corals
    Juvenile dolly varden charr swimming under water — Stock Photo
    Juvenile dolly varden charr swimming under water
    Flock of orange basslets on reef — Stock Photo
    Flock of orange basslets on reef
    Cup corals and gorgonian sea fans — Stock Photo
    Cup corals and gorgonian sea fans
    Christmas tree worm in a dark background of ocean — Stock Photo
    Christmas tree worm in a dark background of ocean
    Circular school of trevally — Stock Photo
    Circular school of trevally
    Sea fan on soft coral — Stock Photo
    Sea fan on soft coral
    School of small fish swimming under pure ocean water with coral reefs on bottom — Stock Photo
    School of small fish swimming under pure ocean water with coral reefs on bottom
    Exotic Epaulette Soldierfishes swimming in ocean near coral — Stock Photo
    Exotic Epaulette Soldierfishes swimming in ocean near coral
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium — Stock Photo
    Didinium sp. ciliate protozoa, coloured scanning electron micrograph (SEM). These tiny single-celled organisms are found in freshwater and marine habitats. They are predatory organism, feeding on other ciliate protozoans, mainly Paramecium
    Schooling Fish swimming — Stock Photo
    Schooling Fish swimming
    Neon flying squid with transparent dappled body and small arms among natural underwater environment on black background — Stock Photo
    Neon flying squid with transparent dappled body and small arms among natural underwater environment on black background
    School of black triggerfish — Stock Photo
    School of black triggerfish
    Coral and sponges on mast of shipwreck — Stock Photo
    Coral and sponges on mast of shipwreck
    Lionfish swimming over reef — Stock Photo
    Lionfish swimming over reef
    Gyrodactylus aquatic parasites, computer illustration. — Stock Photo
    Gyrodactylus aquatic parasites, computer illustration.
    Tiger shark swimming with bait fish — Stock Photo
    Tiger shark swimming with bait fish
    Tawny nurse shark surrounded by fish — Stock Photo
    Tawny nurse shark surrounded by fish
    African penguins. South Africa — Stock Photo
    African penguins. South Africa
    Sharknose gobies cleaning Red hind — Stock Photo
    Sharknose gobies cleaning Red hind
    Fishing net with fish inside — Stock Photo
    Fishing net with fish inside
    Banded cleaner shrimps in tube sponge — Stock Photo
    Banded cleaner shrimps in tube sponge
    School of yellowmask surgeonfish — Stock Photo
    School of yellowmask surgeonfish
    Manta rays in blue water near Komodo — Stock Photo
    Manta rays in blue water near Komodo
    Colony of sea lions resting on rocks, Gwaii Haanas, Haida Gwaii, British Columbia, Canada — Stock Photo
    Colony of sea lions resting on rocks, Gwaii Haanas, Haida Gwaii, British Columbia, Canada
    Sockeye salmon fishes swimming under water — Stock Photo
    Sockeye salmon fishes swimming under water
    Reef scene with corals and fish — Stock Photo
    Reef scene with corals and fish
    Large school of razorfish — Stock Photo
    Large school of razorfish
    Southern Elephant Seal Pups — Stock Photo
    Southern Elephant Seal Pups
    Group of squids in formation near fishing net with silvery fish inside, Cenderawasih Bay, West Papua, Indonesia — Stock Photo
    Group of squids in formation near fishing net with silvery fish inside, Cenderawasih Bay, West Papua, Indonesia
    Moray eel and cleaner wrasse — Stock Photo
    Moray eel and cleaner wrasse
    Unrecognizable people cage-diving for great white shark in water by Isla Guadalupe, Baja, Mexico — Stock Photo
    Unrecognizable people cage-diving for great white shark in water by Isla Guadalupe, Baja, Mexico
    School of small fish swimming under pure ocean water with coral reefs on bottom — Stock Photo
    School of small fish swimming under pure ocean water with coral reefs on bottom
    Anemone with pair of clownfish — Stock Photo
    Anemone with pair of clownfish
    Harlequin ghost pipefish — Stock Photo
    Harlequin ghost pipefish
    Diver feeding fish with sea urchin at South West Rocks — Stock Photo
    Diver feeding fish with sea urchin at South West Rocks
    Huge wild reef shark and fish swimming on blue background of clean sea water — Stock Photo
    Huge wild reef shark and fish swimming on blue background of clean sea water
    Moray eels in hole with cleaner shrimp — Stock Photo
    Moray eels in hole with cleaner shrimp
    Circling flock of Jacks — Stock Photo
    Circling flock of Jacks
    Table coral on reef near Sulawesi — Stock Photo
    Table coral on reef near Sulawesi
    Flock of Jacks in motion — Stock Photo
    Flock of Jacks in motion
    Pair of spiny tiger shrimps — Stock Photo
    Pair of spiny tiger shrimps
    Whale shark swimming to surface — Stock Photo
    Whale shark swimming to surface
    Mating Nembrotha chamberlaini nudibranchs — Stock Photo
    Mating Nembrotha chamberlaini nudibranchs
    School of small fish swimming under pure ocean water with coral reefs on bottom — Stock Photo
    School of small fish swimming under pure ocean water with coral reefs on bottom
    Seals on the beach, Highlands, Scotland, UK — Stock Photo
    Seals on the beach, Highlands, Scotland, UK
    Cape Fur seal pup suckling its mother, Namibia — Stock Photo
    Cape Fur seal pup suckling its mother, Namibia
    Tropical fish swimming in transparent water of aquarium — Stock Photo
    Tropical fish swimming in transparent water of aquarium
    Blue shark cruising in cold water — Stock Photo
    Blue shark cruising in cold water
    Corals beginning to bleach on reef in Indonesia — Stock Photo
    Corals beginning to bleach on reef in Indonesia
    Atlantic Spotted Dolphins — Stock Photo
    Atlantic Spotted Dolphins
    Blacktip shark swimming with remora in tow — Stock Photo
    Blacktip shark swimming with remora in tow
    Hawksbill Sea Turtle — Stock Photo
    Hawksbill Sea Turtle