Public domain photos

The image shows a group of zebra mussels sitting on top of a rock. The mussels have a variety of colors, including blues, greens, and yellows. They are arranged in a cluster, with some overlapping each other. The rock they are sitting on is a light gray color.

The image shows a group of zebra mussels sitting on top of a rock. The mussels have a variety of colors, including blues, greens, and yellows. They are arranged in a cluster, with some overlapping each other. The rock they are sitting on is a light gray color.Open in library