Linda Pitkin / 2020VISION / Freshwater pearl mussels (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Remi Masson / Freshwater pearl mussel (Margaritifera margaritifera) on riverbed, Morvan Regional Nature Park, France, August. Endangered species.
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Jussi Murtosaari / Freshwater pearl mussel (Margaritifera margaritifera) pearls, Finland, March.
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Jussi Murtosaari / Freshwater pearl mussel (Margaritifera margaritifera), is an endangered species of freshwater mussel, Finland, March.
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Linda Pitkin / 2020VISION / Freshwater pearl mussels (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Linda Pitkin / 2020VISION / Freshwater pearl mussels (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011. 2020VISION Book Plate.
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Linda Pitkin / 2020VISION / Freshwater pearl mussels (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Linda Pitkin / 2020VISION / Freshwater pearl mussels (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Linda Pitkin / 2020VISION / Freshwater pearl mussel (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Linda Pitkin / 2020VISION / Freshwater pearl mussel (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Linda Pitkin / 2020VISION / Freshwater pearl mussels (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Linda Pitkin / 2020VISION / Freshwater pearl mussels (Margaritifera margaritifera) on river bed, Ennerdale Valley, Lake District NP, Cumbria, England, UK, October 2011
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Robert Thompson / Freshwater pearl mussel {Margaritifera margaritifera} in Ballinderry River, County Tyron, Republic of Ireland, March
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Robert Thompson / Freshwater pearl mussel {Margaritifera margaritifera} in Ballinderry River, County Tyron, Republic of Ireland, March
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Wild Wonders of Europe / Roggo / Freshwater pearl mussel (Margaritifera margaritifera) on river bed, Umeälven tributary, Sweden, July 2008
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Willem Kolvoort / Freshwater pearl mussels (Margaritifera margaritifera) in river, East Latvia
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Willem Kolvoort / Freshwater pearl mussels (Margaritifera margaritifera) in fast flowing river, East Latvia
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Willem Kolvoort / Freshwater pearl mussels (Margaritifera margaritifera) in fast flowing river, East Latvia
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Willem Kolvoort / Freshwater pearl mussel (Margaritifera margaritifera) inlet opening, East Latvia
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Willem Kolvoort / Pearls from Freshwater pearl mussel (Margaritifera margaritifera) Natural History Museum, Riga, Latvia
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Willem Kolvoort / Freshwater pearl mussel shell (Margaritifera margaritifera) Natural History Museum, Riga, Latvia
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Willem Kolvoort / Freshwater pearl mussels (Margaritifera margaritifera) These heavily threatened mussels live in a small river in the forests of Latvia. In most european countries they are extinct.
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Staffan Widstrand / Freshwater Pearl Mussels (Margaritifera margaritifera) Halsingland, Sweden.
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Staffan Widstrand / Child looking at Freshwater Pearl Mussels (Margaritifera margaritifera) Sweden
