zebra mussel (Dreissena polymorpha)

The zebra mussel (Dreissena polymorpha) is a small freshwater mollusk introduced from Eurasia, characterized by its striped shell and ability to rapidly reproduce. It attaches firmly to surfaces like rocks, boats, and pipes, often forming dense colonies. Zebra mussels filter large volumes of water to feed on plankton, which can disrupt aquatic ecosystems and outcompete native species. They are considered invasive because they spread quickly and cause ecological and economic problems, such as clogging water intake systems and damaging infrastructure. Their presence indicates significant ecological change and necessitates management to limit their spread.