Willem Kolvoort / Zebra mussels {Dreissena polymorpha} filter feeding, Holland
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Willem Kolvoort / Zebra mussels {Dreissena polymorpha} filter feeding, Holland
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Willem Kolvoort / Zebra mussels {Dreissena polymorpha} attached to an old steel construction in a new brackish-fresh water lake. Holland
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Willem Kolvoort / Zebra mussels {Dreissena polymorpha} filter feeding with tentacles preventing discharge from entering. Peat-bog lake, Holland
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Willem Kolvoort / Zebra mussels {Dreissana polymorpha} attached to stone on lake bed. Lough Keye, Republic of Ireland
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Willem Kolvoort / Close up of Zebra mussel {Dreissena polymorpha} filter feeding with tentacles preventing discharge from entering. Peat-bog lake, Holland
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Willem Kolvoort / Close up of Zebra mussel {Dreissena polymorpha} filter feeding clearly showing the inlet (left) and outlet (right) openings, with tentacles at the inlet opening to prevent rubbish entering, Deep peat-...
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Willem Kolvoort / Zebra mussels {Dreissena polymorpha} attached to a stone on lake floor, Lough Keye, Republic of Ireland
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Willem Kolvoort / Close up of Zebra mussel {Dreissena polymorpha} filter feeding clearly showing the inlet (lower) and outlet (upper) openings, with tentacles at the inlet opening to prevent rubbish entering, Deep peat...
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Willem Kolvoort / Zebra mussels {Dreissena polymorpha} attached to a piece of wood on lake floor, Lough Keye, Republic of Ireland
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Jack Perks / Common carp (Cyprinus carpio) swimming in a river, feeding on Zebra mussels (Dreissena polymorpha). The animal swims out of the frame. London, UK.
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Alex Mustard / A group of highly invasive Zebra mussels (Dreissena polymorpha) growing on an underwater structure, Whittlesea, Cambridgeshire, UK.
