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# Zebra Mussels and Moss Balls

                  - Thumbnail (130 x 130) 13.4K
                  - Medium (650 x 433) 154.3K
                  - Large (1300 x 867) 542.2K
                  - Extra Large (2600 x 1733) 1.8M
                  - Original (6144 x 4096) 1.8M

Deborah Kornblut/USFWS

Dreissena polymorpha

Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

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