Aquatic Nuisance Project
Fact Sheet

Species: Zebra Mussel

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(Dreissena polymorpha)

Zebra mussels have disrupted the traditional aquatic food chains of many inland lakes. Their voracious filter feeding depletes the availability of microscopic organisms that play a critical part in each lake’s ecological food web.

ANS Examples

European Green Crab

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(Carcinus maenas)

Native distribution is along the coasts of the North and Baltic Seas. Potential competitors for the food sources of native fish and bird species.