Stephen Dalton / Two Water Fleas (Daphnia sp.), showing transparency of bodies and internal organs. UK, September.
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Wild Wonders of Europe / Roggo / Alpine newt (Triturus alpestris) chasing a ball of Water fleas in a gravel pit pool, Fribourg, Switzerland, June 2009
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Kim Taylor / Water flea (Daphnia) trapped in a drop of water on a grass head. UK
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Nick Upton / Great crested newt (Triturus cristatus) male courting a female by arching his back and waving his tail in a garden pond at night, surrounded by Water fleas (Daphnia pulex), near Wells, Somerset, UK, M...
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Nick Upton / Great crested newt (Triturus cristatus) male in a garden pond at night, surrounded by Water fleas (Daphnia pulex), Mendip Hills, near Wells, Somerset, UK, March. Photographed under license.
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Nick Upton / Two male Palmate newts (Lissotriton helveticus) swimming in a garden pond at night surrounded by Water fleas (Daphnia pulex), near Wells, Somerset, UK, March.
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Nick Upton / Palmate newt (Lissotriton helveticus) male in a garden pond at night with webbed hind feet spread wide, surrounded by Water fleas (Daphnia pulex), near Wells, Somerset, UK, March.
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Nick Upton / Two male Palmate newts (Lissotriton helveticus) swimming in a garden pond at night surrounded by Water fleas (Daphnia pulex), near Wells, Somerset, UK, March.
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Nick Upton / Pair of Great crested newts (Triturus crustatus) and a Palmate newt (Lissotriton helveticus) swimming in a pond, surrounded by Water fleas (Daphnia pulex), Somerset, England, UK, February. Filmed at...
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Nick Upton / Male Great crested newt (Triturus crustatus) displaying to a female in a pond, with another female swimming past feeding on Water fleas (Daphnia pulex), Somerset, England, UK, February. Filmed at nig...
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Ammonite / Group of Water fleas (Daphnia) swimming. Controlled conditions.
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Ammonite / Group of Water fleas (Daphnia) swimming. Controlled conditions.
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Ammonite / Group of Water fleas (Daphnia) swimming. Controlled conditions.
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Nick Upton / Palmate newt (Lissotriton helveticus) male in a pond maintained for newts and other pond life surrounded by Water fleas (Daphnia pulex), a major prey item, Mendip Hills, near Wells, Somerset, UK, Febr...
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Nick Upton / Great crested newt (Triturus cristatus) male in a pond maintained for newts and other pond life surrounded by Water fleas (Daphnia pulex), a major prey item, Mendip Hills, near Wells, Somerset, UK, Fe...
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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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Mark MacEwen / Freshwater Flea (Daphnia magna) giving birth, controlled conditions, UK
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Juan Manuel Borrero / Illustration of Daphnia and egg pouch. Pencil and watercolor painting.
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Stephen Dalton / Water Flea (Daphnia sp.), showing transparency of body and internal organs. UK, September.
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SINCLAIR STAMMERS / Common Water flea (Daphnia pulex) found in large numbers in a small shallow pond at Dolbryn Caravan site near Newcastle Emlyn, Pembrokeshire, Wales, UK
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SINCLAIR STAMMERS / Common Water fleas (Daphnia pulex) found in large numbers in a small shallow pond at Dolbryn Caravan site near Newcastle Emlyn, Pembrokeshire, Wales, UK
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Nature Production / Water Fleas {Daphnia sp} with fertile eggs on their back,
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Willem Kolvoort / Underwater mass of Water fleas (Daphnia sp) under Yellow water lily leaves (Nuphar lutea) lake in central Holland
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Willem Kolvoort / Water fleas (Daphnia magna) on Water violet (Hottonia palus) Holland
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Willem Kolvoort / Water fleas (Daphnia magna) Holland
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Willem Kolvoort / Water fleas (Daphnia magna) and Yellow water lily, Peat bog lake, Holland
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Kim Taylor / Water flea {Daphnia magna} portrait. Captive, UK.
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Kim Taylor / Water fleas {Daphnia sp}
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Kim Taylor / Water flea {Eurycercus lamellata} female carrying eggs.
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Kim Taylor / Female Water flea {Daphnia sp} with fulled formed young inside carapace, UK. Magnification: x20 at 6x7cm
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Kim Taylor / Water fleas {Daphnia magna}. Captive, UK.
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Kim Taylor / Water flea {Daphnia sp.} in a water droplet hanging from a head of grass. UK.
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Kim Taylor / RF- Water flea (Daphnia sp.) with winter eggs. UK. (This image may be licensed either as rights managed or royalty free.)
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Solvin Zankl / Common water fleas {Daphnia pulex} Germany
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Nature Production / Water Flea {Daphnia sp.} Japan
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Nature Production / Water flea {Simocephalus vetulus} (left) and Ostracod {Podocopidae} Japan
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Kim Taylor / Water fleas (Daphnia species) swimming. They're demonstrating negative buoyancy, continously swimming to stay in one place. Guildford, Surrey, UK.
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David Hall / Sea fleas (Chromopleustes oculatus) on dorsal surface of a Giant sunflower seastar, Port Neville, Johnstone Strait, British Columbia, Canada. March.
