Dreissena polymorpha

Definition

Dreissena polymorpha, commonly known as the zebra mussel, is a small freshwater mollusk that is native to Eastern Europe. It has become an invasive species in many parts of North America and Europe, causing significant ecological and economic damage.

Analogy

Imagine if a group of tiny aliens invaded your neighborhood and started taking over all the houses. That's what zebra mussels do when they invade new ecosystems - they multiply rapidly and outcompete native species for resources.

Related terms

Invasive Species: Non-native organisms that cause harm to the environment, economy, or human health.

Biofouling: The accumulation of living organisms on submerged surfaces such as ship hulls or pipes.

Ballast Water: Water carried by ships in their ballast tanks to maintain stability. It often contains aquatic organisms like zebra mussels that can be released into new environments when discharged.