Quagga/Zebra Mussel Presence/Absence Monitoring - California - 2007-2022
Quagga/Zebra mussel monitoring data for both uninfested and infested waterbodies throughout the state. This includes presence/absence data from plankton tow, artificial substrate, and surface surveys.

For the latest information please visit https://wildlife.ca.gov/Conservation/Invasives/Quagga-Mussels/.

This …