Simon Colmer / Great Pond Snail (Lymnaea stagnalis) on white background, UK
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Will Watson / Common Backswimmer (Notonecta glauca) and the Spotted Backswimmer (Notonecta maculata) and Common / Wandering pond snail (Lymnaea peregra) on Horned Pondweed (Zannichelia palustris) captive, England,...
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Nature Production / Big-ear Radix snail {Lymnaea auricularia} Wakayama, Japan
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Simon Colmer / Close-up of eggs in egg case of Great Pond Snail (Lymnaea stagnalis), captive UK
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Simon Colmer / Great Pond Snail (Lymnaea stagnalis) egg case, captive UK
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Simon Colmer / Great Pond Snail (Lymnaea stagnalis) on pond plant, captive UK
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Willem Kolvoort / Great pond snail (Lymnaea stagnalis) at water surface to breathe, garden pond, Holland
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Willem Kolvoort / Marsh snail (Lymnaea palustris) on Perfoliate pondweed (Potamogeton perfoliatus), sand winning pit, Holland
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Willem Kolvoort / Marsh snail (Lymnaea palustris) on Perfoliate pondweed (Potamogeton perfoliatus), sand winning pit, Holland
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Willem Kolvoort / Great pond snail (Lymnaea stagnalis) and two Great ramshorn snails (Planorbis corneus) under leaf of White water lily (Nymphaea alba) garden pond, Holland
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Willem Kolvoort / Marsh snail (Lymnaea palustris) on Perfoliate pondweed (Potamogeton perfoliatus), sand winning pit, Holland
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Willem Kolvoort / Great pond snail (Lymnaea stagnalis) at surface to breathe, sand winning pit, Holland.
