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Shells on the Rhine bank

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In the middle of Europe near big towns there live mussels in the river. The empty shells are then washed ashore. It is a species brought from East Asia in the ballast water of ships (Corbicula fluminea D.F.Müller).

Homepage(2)     Bonn(index) by Michael Becker, 1/2002. Last modification: 2/2002.