Jan Hamrsky / Ramshorn snail (Planorbis planorbis), on piece of submerged wood, June, controlled conditions
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Jan Hamrsky / Ramshorn snail (Planorbis planorbis), on stone underwater, Europe, June, controlled conditions
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Jan Hamrsky / Ramshorn snail (Planorbis planorbis) on stone underwater, Europe, June, controlled conditions
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Jan Hamrsky / Ramshorn snails (Planorbis planorbis), on stone underwater, Europe, June, controlled conditions
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Jan Hamrsky / Ramshorn snail (Planorbis planorbis), on stone underwater, Europe, June, controlled conditions
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Jan Hamrsky / Ramshorn snail (Planorbis planorbis), on stone underwater, Europe, June, controlled conditions
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Jan Hamrsky / Ramshorn snail (Planorbis planorbis), on stone underwater, Europe, June, controlled conditions
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Jan Hamrsky / Great ramshorn snail (Planorbarius corneus) juvenil, onstem of aquatic plant, Europe, June, controlled conditions
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Jan Hamrsky / Great ramshorn snails (Planorbarius corneus) juvenil, feeding on a stem of horsetail plant, Europe, November, controlled conditions
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Jan Hamrsky / Great ramshorn snail (Planorbarius corneus) Europe, June, controlled conditions.
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Olga Kamenskaya / Great ramshorn snails (Planorbis planorbis) and Amphipod (Acanthogammarus maculosus) on cortical sponges. Lake Baikal, Russia, March.
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Wild Wonders of Europe / Lundgren / European white waterlily (Nymphaea alba) with Great ram's horn snail (Planorbarius corneus) Danube Delta, Romania, June.
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Wild Wonders of Europe / Lundgren / European white waterlily (Nymphaea alba) with Great ram's horn snail (Planorbarius corneus) Danube Delta, Romania, June.
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Wild Wonders of Europe / Lundgren / Great ram's horn snail (Planorbarius corneus) Danube Delta, Romania, June.
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Wild Wonders of Europe / Lundgren / Empty Great ram's horn snail (Planorbarius corneus) shells laying on riverbed of a small tributary to Danube Delta, Romania, June.
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Juan Carlos Munoz / Fossil of freshwater snail (Planorbis sp) from the Miocene period, Albacete, Spain
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Willem Kolvoort / Ramshorn snail (Planorbis planorbis) in garden pond, 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 / Great ramshorn snail (Planorbis corneus) sand winning pit, Holland
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Willem Kolvoort / Ramshorn snail (Planorbis planorbis) and Chinamark moth larva (Nymphula nympheata) underwater on the leaf of the White water lily (Nymphaea alba) in garden pond, Holland
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Willem Kolvoort / Great ramshorn snail (Planorbis corneus) sand winning pit, Holland. This snail does not have enough pigment in its skin, the red colour is caused by haemaglobin.
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Willem Kolvoort / Great ramshorn snail (Planorbis corneus) feeding on alage on growing leaf of Yellow water lily, Lake Naarden, Holland
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Willem Kolvoort / Ramshorn snail (Planorbis planorbis} feeding on algae on leaf, Lake Naarden, Holland
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Willem Kolvoort / Great ramshorn snail (Planorbis corneus) feeding on alage on leaf, Lake Naarden, Holland
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Willem Kolvoort / Great ramshorn snail (Planorbius corneus) feeding on algae on growing water lily leaf, Holland
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Willem Kolvoort / Ramshorn snail (Planorbis planorbis) feeding on algae on reed stem, Holland
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Willem Kolvoort / Ramshorn Snail (Planorbis planorbis) juvenile, Holland
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Willem Kolvoort / Great ramshorn snail (Planorbius corneus) feeding on algae on plant, Holland
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Willem Kolvoort / Great ramshorn snail (Planorbius corneus) feeding on algae on plant, Holland
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David Maitland / Margined Ramshorn pond snail (Planorbis planorbis) microscopic view of a galaxy of photosynthetic algae, like Chlamydomonas, living within a slimy biofilm covering the shell. The chlorophyll within t...
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David Maitland / Margined ramshorn pond snail (Planorbis planorbis) microscopic view of a galaxy of photosynthetic algae, like Chlamydomonas, living within a slimy biofilm covering the shell. The chlorophyll within t...
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Jan Hamrsky / River snail (Viviparus sp.) and Great ramshorn snail (Planorbarius corneus), Europe, April, controlled conditions
