Public domain photos

The image shows a freshwater mussel on a rock next to a penny. The mussel is a light brown color with a glossy sheen, and its shell is slightly curved. The penny is a silver color and has a textured surface.

The image shows a freshwater mussel on a rock next to a penny. The mussel is a light brown color with a glossy sheen, and its shell is slightly curved. The penny is a silver color and has a textured surface.Open in library