Quagga mussel
Dreissena bugensis (Andrusov, 1897)
Invasive summary
A freshwater mussel related to zebra mussels that colonizes hard and soft substrates.
Known impacts
Alters nutrient flows, fouls water infrastructure, and affects native aquatic communities.
Management notes
Prevent spread through watercraft inspection, decontamination, and clean-drain-dry practices.
Native range
Ponto-Caspian region
Regions where reported
- CA - 40 public points
- US - 40 public points
- MX - 1 public point