Public domain photos

The image shows a pile of mussel shells on a black surface, with two papers containing text and a barcode beside them. The shells appear to be from the Musculos niger, a species of freshwater mussel native to the Mediterranean Sea.

The image shows a pile of mussel shells on a black surface, with two papers containing text and a barcode beside them. The shells appear to be from the Musculos niger, a species of freshwater mussel native to the Mediterranean Sea.Open in library