En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
292 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    A Black-Lipped Pearl Oyster (Pinctada margaritifera) which is now a protected species, living at Haloha Reef off Maui, Hawaii, USA. This is the animal that generates the precious pearls used in jewelry; Maui, Hawaii, United States of America — Stock Photo
    A Black-Lipped Pearl Oyster (Pinctada margaritifera) which is now a protected species, living at Haloha Reef off Maui, Hawaii, USA. This is the animal that generates the precious pearls used in jewelry; Maui, Hawaii, United States of America
    Microfilaria worms in blood — Stock Photo
    Microfilaria worms in blood
    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
    Illuminated flower hat jellyfish floating in aquarium — Stock Photo
    Illuminated flower hat jellyfish floating in aquarium
    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
    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
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    External mineralised structures of coccolithophores — Stock Photo
    External mineralised structures of coccolithophores
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    House dust mite — Stock Photo
    House dust mite
    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
    Insects fossilised in amber — Stock Photo
    Insects fossilised in amber
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork.
    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
    Close-up of Antler Coral (Pocillopora grandis) revealing individual coral polyps which are green from endosymbiotic zoothanthellae (Symbiodinium sp.). This coral head is located on Haloha Reef which is located just off Maui; Maui, Hawaii, United Stat — Stock Photo
    Close-up of Antler Coral (Pocillopora grandis) revealing individual coral polyps which are green from endosymbiotic zoothanthellae (Symbiodinium sp.). This coral head is located on Haloha Reef which is located just off Maui; Maui, Hawaii, United Stat
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    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
    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.
    High angle close-up of crickets bred inside of coconut shell. — Stock Photo
    High angle close-up of crickets bred inside of coconut shell.
    Stick insect foot — Stock Photo
    Stick insect foot
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Echinococcus granulosus hydatid cyst, computer illustration — Stock Photo
    Echinococcus granulosus hydatid cyst, computer illustration
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Microfilaria worms in blood — Stock Photo
    Microfilaria worms in blood
    Encrusting sponges (Phylum Porifera) in a multitude of colors corresponding to different taxa (Orange Hydroid Sponge: Timea sp., Vermilion Clathria: Clathria sp., Yellow Hyrtios: Dactylospongia sp., and Green Encrusting Sponge: Batzella sp.) line the — Stock Photo
    Encrusting sponges (Phylum Porifera) in a multitude of colors corresponding to different taxa (Orange Hydroid Sponge: Timea sp., Vermilion Clathria: Clathria sp., Yellow Hyrtios: Dactylospongia sp., and Green Encrusting Sponge: Batzella sp.) line the
    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
    A male Bullethead Parrot (Chlororus sordidus) biting into turf algae forage growing on volcanic rock substrate adjacent to Lobe Coral (Porites lobata) at Molokini Crater which is located offshore of Maui; Molokini Crater, Maui, Hawaii, United States — Stock Photo
    A male Bullethead Parrot (Chlororus sordidus) biting into turf algae forage growing on volcanic rock substrate adjacent to Lobe Coral (Porites lobata) at Molokini Crater which is located offshore of Maui; Molokini Crater, Maui, Hawaii, United States
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    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
    Digital illustration of nits eggs of human head louse attached to human hair. — Stock Photo
    Digital illustration of nits eggs of human head louse attached to 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
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    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.
    This Green Linckia (Linckia guildingi) starfish or sea star is unusual in that it has four rather than the normal five arms. It is resting on a volcanic rock ledge located off the Kona coast, the Big Island, Hawaii, USA. Near to it is pink coloured c — Stock Photo
    This Green Linckia (Linckia guildingi) starfish or sea star is unusual in that it has four rather than the normal five arms. It is resting on a volcanic rock ledge located off the Kona coast, the Big Island, Hawaii, USA. Near to it is pink coloured c
    Cat flea head — Stock Photo
    Cat flea head
    Digital illustration of parasitic hookworms Ancylostoma duodenale on white background. — Stock Photo
    Digital illustration of parasitic hookworms Ancylostoma duodenale on white background.
    Annular band of live Lobe Coral (Porites lobata) growing over dead corals off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Annular band of live Lobe Coral (Porites lobata) growing over dead corals off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America
    Parasitic adult Ticks — Stock Photo
    Parasitic adult Ticks
    Hydatid disease in liver, cystic echinococcosis, Computer illustration — Stock Photo
    Hydatid disease in liver, cystic echinococcosis, Computer illustration
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    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
    Echinococcosis multilocularis hydatid cyst, computer illustration — Stock Photo
    Echinococcosis multilocularis hydatid cyst, computer illustration
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Aphid, light micrograph — Stock Photo
    Aphid, light micrograph
    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
    Caught lobsters in container — Stock Photo
    Caught lobsters in container
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork.
    Parasitic nematode worm — Stock Photo
    Parasitic nematode worm
    Busy Honey Bees In A Langstroth Hive Box; Toronto, Ontario, Canada — Stock Photo
    Busy Honey Bees In A Langstroth Hive Box; Toronto, Ontario, Canada
    Cushion Star (Culcita novaeguineae) resting on a reef off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America — Stock Photo
    Cushion Star (Culcita novaeguineae) resting on a reef off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.