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    Adult head louse — Stock Photo
    Adult head louse
    A piece of a boiled octopus — Stock Photo
    A piece of a boiled octopus
    Spearing mantis shrimp in burrow — Stock Photo
    Spearing mantis shrimp in burrow
    Blue starfish clinging to reef — Stock Photo
    Blue starfish clinging to reef
    Seven spot ladybird sitting on wild plant. — Stock Photo
    Seven spot ladybird sitting on wild plant.
    Phyllidia ocellata nudibranch in Beqa Lagoon — Stock Photo
    Phyllidia ocellata nudibranch in Beqa Lagoon
    Tray of fried grasshoppers and larva — Stock Photo
    Tray of fried grasshoppers and larva
    Sea star on coral reef — Stock Photo
    Sea star on coral reef
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Orange soft coral colony — Stock Photo
    Orange soft coral colony
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Child examining a bug box — Stock Photo
    Child examining a bug box
    Close-up of thick-headed fly sitting on wildflower. — Stock Photo
    Close-up of thick-headed fly sitting on wildflower.
    Close-up of hover fly insect on dried wildflower. — Stock Photo
    Close-up of hover fly insect on dried wildflower.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Broadclub cuttlefish swimming over reef — Stock Photo
    Broadclub cuttlefish swimming over reef
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Coleman shrimps on fire urchin — Stock Photo
    Coleman shrimps on fire urchin
    Close-up of dagger fly on plantago lanceolata plant. — Stock Photo
    Close-up of dagger fly on plantago lanceolata plant.
    Glossodoris rufomarginatus nudibranch — Stock Photo
    Glossodoris rufomarginatus nudibranch
    Soft corals growing in Raja Ampat — Stock Photo
    Soft corals growing in Raja Ampat
    Broadclub cuttlefish swimming over reef — Stock Photo
    Broadclub cuttlefish swimming over reef
    Orange knee sawfly sitting on plant stem. — Stock Photo
    Orange knee sawfly sitting on plant stem.
    Bumblebee sitting on common thistle wildflower. — Stock Photo
    Bumblebee sitting on common thistle wildflower.
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Blow fly (Calliphoridae) head, close-up. — Stock Photo
    Blow fly (Calliphoridae) head, close-up.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Several piling nudibranchs — Stock Photo
    Several piling nudibranchs
    Beekeeper placing a queen cage — Stock Photo
    Beekeeper placing a queen cage
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Little girl playing with shells on beach — Stock Photo
    Little girl playing with shells on beach
    Loch Chromodoris nudibranch closeup shot — Stock Photo
    Loch Chromodoris nudibranch closeup shot
    Pseudobiceros bedfordi flatworm — Stock Photo
    Pseudobiceros bedfordi flatworm
    Phronima amphipod against black background, closeup — Stock Photo
    Phronima amphipod against black background, closeup
    Zebra Moray Eel (Gymnomuraena zebra) gliding over Finger Coral (Porites compressa) off the Kona Coast; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Zebra Moray Eel (Gymnomuraena zebra) gliding over Finger Coral (Porites compressa) off the Kona Coast; Island of Hawaii, Hawaii, United States of America
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork.
    Close-up of grizzled skipper moth on dried wildflower. — Stock Photo
    Close-up of grizzled skipper moth on dried wildflower.
    Spotted eye hoverfly sitting on seeds of wild plant. — Stock Photo
    Spotted eye hoverfly sitting on seeds of wild plant.
    Illustration of ascariasis worm on black background. — Stock Photo
    Illustration of ascariasis worm on black background.
    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.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Sunlight through table coral — Stock Photo
    Sunlight through table coral
    Ancient ammonite animal on white background, computer illustration. — Stock Photo
    Ancient ammonite animal on white background, computer illustration.
    Soft coral crab closeup shot — Stock Photo
    Soft coral crab closeup shot
    Bee fly sitting on rose rhapsody flower. — Stock Photo
    Bee fly sitting on rose rhapsody flower.
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Crown-of-thorns starfish on corals — Stock Photo
    Crown-of-thorns starfish on corals
    White snail akhatina crawls on the nose of a woman — Stock Photo
    White snail akhatina crawls on the nose of a woman
    West Indian starfish on sandy seafloor — Stock Photo
    West Indian starfish on sandy seafloor
    Two girls under a beach shower — Stock Photo
    Two girls under a beach shower
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Close-up of thick legged hoverfly on dried wild plant. — Stock Photo
    Close-up of thick legged hoverfly on dried wild plant.
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Fragile corals in shallow water in Raja Ampat, Indonesia — Stock Photo
    Fragile corals in shallow water in Raja Ampat, Indonesia
    Pygmy cuttlefish hovering near corals — Stock Photo
    Pygmy cuttlefish hovering near corals
    Closeup view of Long horned or Orb-weaver spider on the web, selective focus — Stock Photo
    Closeup view of Long horned or Orb-weaver spider on the web, selective focus