quagga mussel
mollusk
Also known as: Dreissena rostriformis bugensis
Quick Summary
The quagga mussel (Dreissena rostriformis) is a small, freshwater mollusk native to the Dnieper River and its tributaries. It has become an invasive species in waterways such as the Great Lakes.12
These mussels colonize surfaces, clog water intake pipes, and compete with native fish for food. They disrupt food webs by consuming phytoplankton. The quagga mussel is similar in habit to the zebra mussel, another invasive species that has had devastating effects on North American freshwater ecosystems.12
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