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    Jellyfish drifting near water surface — Stock Photo
    Jellyfish drifting near water surface
    Group of little barracudas on reef in sea water — Stock Photo
    Group of little barracudas on reef in sea water
    Liradiscus sp. planktonic unicellular algae — Stock Photo
    Liradiscus sp. planktonic unicellular algae
    Giardia lamblia, a protozoan (cyst stage) found in water contaminated by animal faeces, coloured scanning electron micrograph (SEM). — Stock Photo
    Giardia lamblia, a protozoan (cyst stage) found in water contaminated by animal faeces, coloured scanning electron micrograph (SEM).
    Two boys and one girl, staring fishes in an aquarium next to the glass of the pool — Stock Photo
    Two boys and one girl, staring fishes in an aquarium next to the glass of the pool
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM). — Stock Photo
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM).
    Big corals in water with people diving on background — Stock Photo
    Big corals in water with people diving on background
    Shoal of fishes in an aquarium, one of them is going the opposite way the others — Stock Photo
    Shoal of fishes in an aquarium, one of them is going the opposite way the others
    Centric fossil diatom frustule — Stock Photo
    Centric fossil diatom frustule
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    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.
    Shoal of little silver fish underwater — Stock Photo
    Shoal of little silver fish underwater
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Amazing transparent Antarctic krill with red spots among haze of cold ocean water on black background — Stock Photo
    Amazing transparent Antarctic krill with red spots among haze of cold ocean water on black background
    Bioluminescence splashes in Gippsland lake — Stock Photo
    Bioluminescence splashes in Gippsland lake
    Closeup of fish group floating in blue water near corals — Stock Photo
    Closeup of fish group floating in blue water near corals
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    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
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Marine biodiversity with colorful sea of coral reef in tropical clear water — Stock Photo
    Marine biodiversity with colorful sea of coral reef in tropical clear water
    Bioluminescence in waves of Gippsland lake — Stock Photo
    Bioluminescence in waves of Gippsland lake
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan.
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda). — Stock Photo
    Scanning electron micrograph (SEM) of a copepod (subclass Copepoda).
    Phronima amphipod against black background, closeup — Stock Photo
    Phronima amphipod against black background, closeup
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Scaridae fish floating between corals and drifting life in sea — Stock Photo
    Scaridae fish floating between corals and drifting life in sea
    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.
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    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).
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    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
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Lychnocanoma radiolarian shell — Stock Photo
    Lychnocanoma radiolarian shell
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Dark field light micrograph (LM) of freshwater pennate diatoms. — Stock Photo
    Dark field light micrograph (LM) of freshwater pennate diatoms.
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    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
    Shoal of beautiful fishes in azure water — Stock Photo
    Shoal of beautiful fishes in azure water
    Actinocyclus sp. diatom unicellular algae — Stock Photo
    Actinocyclus sp. diatom unicellular algae
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Close-up of bright blue coral on reef underwater — Stock Photo
    Close-up of bright blue coral on reef underwater
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan.
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM). — Stock Photo
    Water flea (Polyphemus pediculus), coloured scanning electron micrograph (SEM).
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae. — Stock Photo
    Colored scanning electron micrograph of diatoms photosynthetic single-celled algae.
    Marine biodiversity with colorful sea of coral reef in tropical clear water — Stock Photo
    Marine biodiversity with colorful sea of coral reef in tropical clear water
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Close-up of bright blue coral on reef underwater — Stock Photo
    Close-up of bright blue coral on reef underwater