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    Thanks to cryptic coloration, this Commerson's Frogfish (Antennarius commerson) blends-in well next to the Mound Coral (Porites lutea) that it is perched on waiting to ambush prey on the Kona coast, the Big Island; Island of Hawaii, Hawaii, United St — Stock Photo
    Thanks to cryptic coloration, this Commerson's Frogfish (Antennarius commerson) blends-in well next to the Mound Coral (Porites lutea) that it is perched on waiting to ambush prey on the Kona coast, the Big Island; Island of Hawaii, Hawaii, United St
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    An Ornate Butterflyfish (Chaetodon ornatissimus) swims over Finger and Lobe corals (Porites compressa and P. lobata) at Haloha Reef off Maui; Maui, Hawaii, United States of America — Stock Photo
    An Ornate Butterflyfish (Chaetodon ornatissimus) swims over Finger and Lobe corals (Porites compressa and P. lobata) at Haloha Reef off Maui; Maui, Hawaii, United States of America
    Freckled Hawkfish (Paracirrhites forsteri) resting on finger coral (Porites compressa) photographed while scuba diving the Kona Coast; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Freckled Hawkfish (Paracirrhites forsteri) resting on finger coral (Porites compressa) photographed while scuba diving the Kona Coast; Island of Hawaii, Hawaii, United States of America
    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
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    House dust mite — Stock Photo
    House dust mite
    Adult dust mite — Stock Photo
    Adult dust mite
    Colorful corals growing on reef — Stock Photo
    Colorful corals growing on reef
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Wolf spider on sand — Stock Photo
    Wolf spider on sand
    Red Slate Pencil Urchin (Heterocentrotus mamillatus) common on Hawaiian reefs at shallow depths in high energy habitats such as the backwall of Molokini Crater offshore of Maui, Hawaii, USA seen here; Molokini Crater, Maui, Hawaii, United States — Stock Photo
    Red Slate Pencil Urchin (Heterocentrotus mamillatus) common on Hawaiian reefs at shallow depths in high energy habitats such as the backwall of Molokini Crater offshore of Maui, Hawaii, USA seen here; Molokini Crater, Maui, Hawaii, United States
    Naegleria brain-eating amoeba forms, digital illustration — Stock Photo
    Naegleria brain-eating amoeba forms, digital illustration
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Dog roundworm parasite — Stock Photo
    Dog roundworm parasite
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    Egg of a parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Egg of a parasitic worm Trichuris trichiura, computer illustration
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    House dust mites — Stock Photo
    House dust mites
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    House dust mites — Stock Photo
    House dust mites
    Parasitic head louse on human hair — Stock Photo
    Parasitic head louse on human hair
    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
    Wild Honey Bees In A Hollow Tree (Apis Mellifera); Toronto, Ontario, Canada — Stock Photo
    Wild Honey Bees In A Hollow Tree (Apis Mellifera); Toronto, Ontario, Canada
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Colourful yellow Crinoid feeding surrounded by red hard coral; Fiji — Stock Photo
    Colourful yellow Crinoid feeding surrounded by red hard coral; Fiji
    Shield bugs on wildflower stems in meadow. — Stock Photo
    Shield bugs on wildflower stems in meadow.
    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
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract. — Stock Photo
    Digital illustration of ciliate protozoan Balantidium coli intestinal parasites causing ulcer in intestinal tract.
    3d illustration of tapeworms infestation in human intestine. — Stock Photo
    3d illustration of tapeworms infestation in human intestine.
    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
    Close-up of mating six spot burnet moths on common thistle flower. — Stock Photo
    Close-up of mating six spot burnet moths on common thistle flower.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Egg of a parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Egg of a parasitic worm Trichuris trichiura, computer illustration
    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
    House dust mite — Stock Photo
    House dust mite
    Underwater photograph of the putative Siphonophore species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Underwater photograph of the putative Siphonophore species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island of Hawaii, Hawaii, United States of America
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Tapeworms infestation in human intestine, digital illustration. — Stock Photo
    Tapeworms infestation in human intestine, digital illustration.
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    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
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Sea Stars And Anemones Revealed By A Minus Tide; Cannon Beach, Oregon, United States Of America — Stock Photo
    Sea Stars And Anemones Revealed By A Minus Tide; Cannon Beach, Oregon, United States Of America
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis — Stock Photo
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Underwater photograph of the putative Siphonophore species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Underwater photograph of the putative Siphonophore species Agalma okeni taken during a blackwater (bluewater at night) scuba dive off the Kona Coast, the Big Island, Hawaii, during the summer; Island of Hawaii, Hawaii, United States of America
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork.
    House dust mites — Stock Photo
    House dust mites
    Recently hatched shieldbug nymphs and eggs on plant. — Stock Photo
    Recently hatched shieldbug nymphs and eggs on plant.
    Stick insect foot — Stock Photo
    Stick insect foot
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.