News Archive

The California Department of Fish and Wildlife (CDFW) is notifying the public and officials with the city of West Sacramento and Yolo and Sacramento counties that invasive golden mussels have been found in and around the Port of West Sacramento.

Get involved to help prevent the harmful impacts of invasive species that threaten our state’s natural resources, ecology and economy during California Invasive Species Action Week (CISAW), June 6-14, 2026.

Scientists with the Wildlife Genetics Research Unit at the California Department of Fish and Wildlife have completed a genomic study of nutria, an invasive South American rodent, linking their 2017 discovery in Merced County to a population in central Oregon.

State legislation signed into law earlier this month will allow invasive mute swans to be taken or possessed at any time by those with a valid California hunting license beginning January 1, 2026.

After years of discussion and consideration of public comment and scientific research, the California Fish and Game Commission (Commission) did not approve a proposed regulation amendment to set a maximum size limit for recreational striped bass fishing. This decision and regulatory action affecting California’s natural resources took place at the Commission’s October 8-9 meeting in Sacramento.