This tells people what to do if they purchased one of these “moss” (actually algae) balls.  Zebra mussels have now been found contaminating these balls in multiple states. The California Department of Fish and Wildlife is working with USFWS and other state fish and wildlife agencies to address this.

USFWS website on moss ball / zebra mussels: https://www.fws.gov/fisheries/ANS/zebra-mussel-disposal.html

Elizabeth Brusati, Ph.D.

Senior Environmental Scientist (Specialist)

California Department of Fish and Wildlife

Invasive Species Program

Mail: CDFW Fisheries Branch, P.O. Box 944209, Sacramento, CA 94244-2090

Working remotely – email is best to reach me.