Invasive species

Invasive species

NOTICE of Department of Fish and Wildlife Rulemaking: Invasive Mussels

Department of Fish and Wildlife

ANNOUNCEMENTS Ecosystems

August 8, 2026

From the Department of Fish and Wildlife: The California Department of Fish and Wildlife (Department) has published the Notice of...

USGS: Environmental DNA monitoring protects fish hatchery from invasive species

July 11, 2026

By the USGS USGS NOROCK scientists, in collaboration with the U.S. Fish and Wildlife Service, used environmental DNA monitoring in...

AG ALERT: Golden mussels plague farms and water districts

July 8, 2026

By Caleb Hampton The spread of golden mussels in California has alarmed farmers this year as the invasive species established...

DWR: Detecting the Delta’s inhabitants through their DNA fingerprint

Department of Water Resources (DWR)

July 8, 2026

From the Department of Water Resources: Finding the Delta’s most elusive residents means digging deep down into the microscopic traces...

NOTEBOOK FEATURE: Could dredging invasive clams boost fish food in Suisun Marsh?

Fish and wildlife Notebook News and Features

July 7, 2026

by Robin Meadows The San Francisco Bay-Delta estuary has been a food desert for fish for two decades and the...

CAL MATTERS: California scales back golden mussel safeguards at vital reservoir, alarming experts

June 12, 2026

Destructive golden mussels are wreaking havoc in California waterways. Why are California water managers ending precautions for a vital reservoir? By...

CDFW research links California’s Nutria invasion to Pacific Northwest population

Department of Fish and Wildlife

April 8, 2026

Study also informs eradication efforts, offers toolkit for future research worldwide From the California Department of Fish and Wildlife: Scientists...

USGS: Early detection of aquatic threats: eDNA research in the Colorado River ecosystem & Lake Powell

March 1, 2026

From the USGS: The USGS and partners are conducting environmental DNA (eDNA) research in the Colorado River downstream from Glen...

SJV WATER: Expert urges action on invasive golden mussels now

February 12, 2026

By Lisa McEwen, SJV Water The time to act on golden mussels is yesterday. If not yesterday, then now, an...

SJV WATER: Mussel mania: San Joaquin Valley water agencies gear up to fight invasive mollusk

February 5, 2026

By Lisa McEwen, SJV Water Water agencies of all sizes are crafting plans and forming task forces across local, state...

AG ALERT: Invasive mussels spread, could clog irrigation systems

January 28, 2026

By Vicky Boyd, Ag Alert Since the non-native golden mussel was first discovered in October 2024 in the Sacramento-San Joaquin...

USGS: Recent scientific contributions by the U.S. Geological Survey in the San Francisco Bay and Sacramento–San Joaquin Delta Estuary

January 27, 2026

From the USGS: The San Francisco Bay and Sacramento–San Joaquin Delta Estuary (hereafter, Bay-Delta) is the largest estuary on the...

SJV WATER: Invasive critters “musseling” in on valley waterways as managers struggle to stop the spread

January 7, 2026

By Lisa McEwen, SJV Water The dreaded, destructive golden mussel has become an urgent topic among San Joaquin Valley water...

NOTEBOOK FEATURE: The biggest threat to the Delta you’ve (probably) never heard of

Best of the Notebook Notebook News and Features Water quality

December 9, 2025

Excess sediment in the South Delta puts the water supply and the ecosystem at risk by Robin Meadows In 1962,...

Measurement of golden mussels.

INSIDE CLIMATE NEWS: Trump cuts could hinder efforts to stop climate-fueled spread of invasive species

Inside Climate News

November 28, 2025

Invasive species cost the United States billions of dollars. Climate change could make the situation worse. By Kiley Price, Inside...

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