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104 results

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    Yellow-Tailed Grunt Fish — Stock Photo
    Yellow-Tailed Grunt Fish
    Red Starfish laying on floor — Stock Photo
    Red Starfish laying on floor
    Purple-Striped Jellyfish — Stock Photo
    Purple-Striped Jellyfish
    Clearfin turkeyfish swimming — Stock Photo
    Clearfin turkeyfish swimming
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Caddis on a branch in the Southeast — Stock Photo
    Caddis on a branch in the Southeast
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Magnified digital illustration of water bear. — Stock Photo
    Magnified digital illustration of water bear.
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Pacific Barracuda In water — Stock Photo
    Pacific Barracuda In water
    Water white lily over water — Stock Photo
    Water white lily over water
    Jellyfish swimming under water — Stock Photo
    Jellyfish swimming under water
    Entamoeba histolytica invading the intestine — Stock Photo
    Entamoeba histolytica invading the intestine
    Beautiful turquoise Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful turquoise Betta fish swimming in aquarium on dark background, close view
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration.
    Beautiful purple Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful purple Betta fish swimming in aquarium on dark background, close view
    Beautiful Crowntail Betta fish on white background, close view — Stock Photo
    Beautiful Crowntail Betta fish on white background, close view
    Spiral Wire Coral (Cirrhipathes spiralis) living on the backwall of Molokini Crater, offshore of Maui; Molokini Crater, Maui, Hawaii, United States of America — Stock Photo
    Spiral Wire Coral (Cirrhipathes spiralis) living on the backwall of Molokini Crater, offshore of Maui; Molokini Crater, Maui, Hawaii, United States of America
    Whale shark swimming underwater — Stock Photo
    Whale shark swimming underwater
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Two beautiful betta fish swimming in aquarium on dark background, close view — Stock Photo
    Two beautiful betta fish swimming in aquarium on dark background, close view
    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
    Close-up of a starfish on a rock in the ocean, Indonesia — Stock Photo
    Close-up of a starfish on a rock in the ocean, Indonesia
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Beautiful blue Betta fish on light background, close view — Stock Photo
    Beautiful blue Betta fish on light background, close view
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Lionfish swimming under water — Stock Photo
    Lionfish swimming under water
    Parasitic amoeba engulfing red blood cells, illustration in imaging flow cytometry. — Stock Photo
    Parasitic amoeba engulfing red blood cells, illustration in imaging flow cytometry.
    Starfish underwater on floor — Stock Photo
    Starfish underwater on floor
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa). — Stock Photo
    Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa).
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Beautiful red Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful red Betta fish swimming in aquarium on dark background, close view
    Beautiful white Betta fish on dark background, close view — Stock Photo
    Beautiful white Betta fish on dark background, close view
    Hand Holding Fish — Stock Photo
    Hand Holding Fish
    Hand touching starfish — Stock Photo
    Hand touching starfish
    Plants and flower on biofilm in the forest — Stock Photo
    Plants and flower on biofilm in the forest
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view — Stock Photo
    Beautiful colorful Betta fish swimming in aquarium on dark background, close view
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.