Alex Hyde / Chlorophyte or green alga (Volvox aureus) in pond water. UK. The larger spheres are approximately 0.5mm in diameter. Digital composite image.
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Jan Hamrsky,Jan Hamrsky / Trumpet animalcules (Stentor polymorphus) with algal symbionts (Chlorella), Europe, controlled conditions
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Nick Upton / Common pond skater (Gerris lacustris) standing on the surface of a garden pond before skating off at speed, with many colonial Green algae (Volvox) spheres moving below the surface, Wiltshire, England...
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Georgette Douwma / Funnelweed (Padina gymnospora) and Green Algae (Halimeda sp.). West Papua, Indonesia. Indo-West Pacific.
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Georgette Douwma / Sea grapes (Caulerpa recemosa). Caulerpa. North Sulawesi, Indonesia.
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Georgette Douwma / Green algae (Halimeda opuntia). North Sulawesi, Indonesia.
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Georgette Douwma / Sea grapes (Caulerpa recemosa). Caulerpa. North Sulawesi, Indonesia.
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David Fleetham / Red encrusting sponge (Clathria sp) on calcium carbonate-producing Seaweed / Green algae (Halimeda kanaloana). Hawaii.
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Linda Pitkin / Spotted Seahorse (Hippocampus taeniopterus), resting in patch of green algae (Halimeda) Lembeh Strait, North Sulawesi, Indonesia.
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Alex Hyde / Water fleas (Daphnia sp.) and a green algae (Volvox aureus) in water from a garden pond. Derbyshire, UK. September. Digital composite.
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Olga Kamenskaya / Green algae (Draparnaldiopsis) on the stones, Lake Baikal, Siberia, Russia.
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Olga Kamenskaya / Thallus of filamentous algae (Spiragira and Ulothrix) under Ice, Lake Baikal, Siberia, Russia.
