Invasive Mussel News

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Notifications of Invasive Mussel Detections
  • May 6, 2026

CDFW will no longer send notifications of new invasive mussel detections, include golden mussel, quagga mussel, and zebra mussels, discovered in hydrologically connected waters via this listserv. To continue to receive notifications of new detections, please register with the USGS’s Nonindigenous Aquatic Species Alert System. Please be sure to sign up for bonus alerts to receive every new detection.

CDFW will continue to maintain maps of all invasive mussel detections at:

  • Golden mussel map
  • Quagga/zebra mussel map
Categories: General


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Fisheries Branch
Branch Chief: Jay Rowan
1010 Riverside Parkway, West Sacramento, CA 95605
Fisheries@wildlife.ca.gov