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    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Stomach infected with parasitic nematode worms — Stock Photo
    Stomach infected with parasitic nematode worms
    Close-up of cylindromia fly perched on wildflower. — Stock Photo
    Close-up of cylindromia fly perched on wildflower.
    Close-up of caterpillar covered by early morning dew drops on tip of branch. — Stock Photo
    Close-up of caterpillar covered by early morning dew drops on tip of branch.
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Sevenspotted ladybird on dried yellow foxtail grass. — Stock Photo
    Sevenspotted ladybird on dried yellow foxtail grass.
    Flatworm Schistosome fluke — Stock Photo
    Flatworm Schistosome fluke
    Close up of yellow flypaper covered in dead insects — Stock Photo
    Close up of yellow flypaper covered in dead insects
    Pair of shrimps on pink mushroom coral — Stock Photo
    Pair of shrimps on pink mushroom coral
    Mating Pair Of Grasshoppers — Stock Photo
    Mating Pair Of Grasshoppers
    Mother using lice comb on daughter's hair — Stock Photo
    Mother using lice comb on daughter's hair
    Sea whips and soft coral — Stock Photo
    Sea whips and soft coral
    Fish swimming over healthy coral reef — Stock Photo
    Fish swimming over healthy coral reef
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Large red gorgonian sea fan — Stock Photo
    Large red gorgonian sea fan
    Flesh fly sitting on nest in dried wild plant. — Stock Photo
    Flesh fly sitting on nest in dried wild plant.
    Parasitic tick feeding — Stock Photo
    Parasitic tick feeding
    Popcorn shrimp on anemone — Stock Photo
    Popcorn shrimp on anemone
    Divers swimming over sea fans — Stock Photo
    Divers swimming over sea fans
    Soft coral seascape — Stock Photo
    Soft coral seascape
    Insects preserved in amber — Stock Photo
    Insects preserved in amber
    Colorful corals on reef near Sulawesi — Stock Photo
    Colorful corals on reef near Sulawesi
    Macrophotograph of a portion of the aft wing of the 'Giant Red Winged Hopper' showing its repetitive patterns; a grasshopper (Tropidacris dux) from Peru — Stock Photo
    Macrophotograph of a portion of the aft wing of the 'Giant Red Winged Hopper' showing its repetitive patterns; a grasshopper (Tropidacris dux) from Peru
    Dagger fly sitting on Plantago lanceolata plant blossom. — Stock Photo
    Dagger fly sitting on Plantago lanceolata plant blossom.
    Glowing coral reef in ocean — Stock Photo
    Glowing coral reef in ocean
    Damselfly sitting on wood twig, close-up. — Stock Photo
    Damselfly sitting on wood twig, close-up.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Orange soft coral and sea whip — Stock Photo
    Orange soft coral and sea whip
    A tentaculate ctenophore, also known as comb jelly or sea gooseberry (Pleurobrachia sp.), opening its mouth to ingest zooplankton prey during a blackwater dive off the Kona coast, the Big island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    A tentaculate ctenophore, also known as comb jelly or sea gooseberry (Pleurobrachia sp.), opening its mouth to ingest zooplankton prey during a blackwater dive off the Kona coast, the Big island; Island of Hawaii, Hawaii, United States of America
    Large gorgonian growing on reef — Stock Photo
    Large gorgonian growing on reef
    Trichina spiralis roundworm — Stock Photo
    Trichina spiralis roundworm
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Colorful sea star — Stock Photo
    Colorful sea star
    Tiger shrimp on orange sponge — Stock Photo
    Tiger shrimp on orange sponge
    False clownfish swimming near anemone — Stock Photo
    False clownfish swimming near anemone
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Close-up of silkworm cocoons at Turkey — Stock Photo
    Close-up of silkworm cocoons at Turkey
    Soft coral colony on reef slope — Stock Photo
    Soft coral colony on reef slope
    France, Hauts de France, Pas de Calais. Wissant — Stock Photo
    France, Hauts de France, Pas de Calais. Wissant
    Cardinal meadowhawk dragonfly sitting on plant outdoors. — Stock Photo
    Cardinal meadowhawk dragonfly sitting on plant outdoors.
    Cross section of nautilus shell with spiral structure. — Stock Photo
    Cross section of nautilus shell with spiral structure.
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Parasitic Tick feeding — Stock Photo
    Parasitic Tick feeding
    Trapped grasshopper on yellow foxtail grass. — Stock Photo
    Trapped grasshopper on yellow foxtail grass.
    Common house dust mite — Stock Photo
    Common house dust mite
    Close-up of head and antennas of honey bee. — Stock Photo
    Close-up of head and antennas of honey bee.
    Sawfly insect sitting on plant branch. — Stock Photo
    Sawfly insect sitting on plant branch.
    Wheat stink bug walking on wheat plant. — Stock Photo
    Wheat stink bug walking on wheat plant.
    Jorunna funebris nudibranch eggs — Stock Photo
    Jorunna funebris nudibranch eggs
    Sea fan on soft coral — Stock Photo
    Sea fan on soft coral
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract. — Stock Photo
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract.
    Octopus eye closeup shot — Stock Photo
    Octopus eye closeup shot
    Broadclub cuttlefish swimming over reef — Stock Photo
    Broadclub cuttlefish swimming over reef
    Close-up of entomopathogenic fungus infection on tiger fly on wild plant leaf. — Stock Photo
    Close-up of entomopathogenic fungus infection on tiger fly on wild plant leaf.
    An extinct marine invertebrate Morocco. Existed during the Cretaceous period. During fossilization the shell was replaced by an iron compound. — Stock Photo
    An extinct marine invertebrate Morocco. Existed during the Cretaceous period. During fossilization the shell was replaced by an iron compound.
    Yellow sea fan in Raja Ampat — Stock Photo
    Yellow sea fan in Raja Ampat
    Giant anemone, fuerteventura canary islands — Stock Photo
    Giant anemone, fuerteventura canary islands
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation