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  1. Zebra mussel - Wikipedia

    Other mussel species frequently represent the most stable objects in silty substrates, and zebra mussels attach to and often kill these mussels. They build colonies on native unionid clams, …

  2. What are zebra mussels and why should we care about them?

    Zebra mussels are an invasive, fingernail-sized mollusk that is native to fresh waters in Eurasia. Their name comes from the dark, zig-zagged stripes on each shell. Zebra mussels probably …

  3. Invasive Zebra Mussels - U.S. National Park Service

    Apr 2, 2021 · Zebra mussels (Dreissena polymorpha) are small, freshwater, bivalve shellfish that were likely brought to the U.S. as stowaways in the ballast water of ships. They are native to …

  4. Zebra mussel (Dreissena polymorpha) | Minnesota DNR

    Zebra mussels are small animals with a striped, D-shaped shell composed of two hinged valves joined by a ligament. The shells are typically one-quarter inch to one and one-half inches long, …

  5. Zebra mussel | Freshwater Invader, Aquatic Pest & Invasive …

    Zebra mussel, a species of tiny mussels (genus Dreissena) that are prominent freshwater pests. They proliferate quickly and adhere in great numbers to virtually any surface.

  6. Zebra Mussel | National Invasive Species Information Center

    Zebra mussels are regarded as one of the most destructive invasive species in North America. Learn more about the situation, rapid response efforts by federal and state agencies, and how …

  7. Zebra Mussels | Minnesota Aquatic Invasive Species Research …

    Zebra mussels are ¼-1 ½ inch-long bivalve (2-shelled) molluscs. They evolved from ancestors similar to surf clams (used to make clam chowder) that invaded fresh waters in southern Russia.

  8. Zebra Mussel (Dreissena polymorpha) | U.S. Fish & Wildlife Service

    Overview Zebra mussels are small freshwater mussels native to eastern Europe and Russia. They are invasive elsewhere. Zebra mussels were first detected in the United States in the late …

  9. Mature zebra and quagga mussels look like small D-shaped clams. Their yellowish-brown shells have alternating light and dark stripes. Zebra mussels can reach a maximum of two inches in …

  10. Zebra & Quagga Mussels Fact Sheet - Pennsylvania Sea Grant

    Jul 21, 2025 · Native to eastern Europe and western Asia in the Black, Azov, and Caspian Sea drainages, Zebra Mussels first appeared in the Great Lakes in Lake St. Clair in 1988, and …