Fisheries Content

Record Returns: 2,100 Salmon Spawned in Putah Creek

Katherine E Kerlin — December 17, 2025 - 10:32am

A record-breaking 2,100 Chinook salmon returned to spawn in restored Putah Creek this fall. �鶹��ý fish biologists and partners are tracking and monitoring the run.

Restored Stream Supports New Wild Salmon Run

Katherine E Kerlin — March 20, 2025 - 9:00am

A �鶹��ý study confirms Putah Creek origin salmon for first time, marking a win for creek restoration and wild salmon, and providing hope for other degraded streams around the globe.

The Salmon Diaries: Life Before and After Klamath Dam Removal

Katherine E Kerlin — July 15, 2024 - 9:00am

From the Klamath River to the lab, to the ear bones of fish, �鶹��ý scientists are helping to answer a big dam question: How will salmon use the river following the world's largest dam removal project?

U.S. Reservoirs Hold Billions of Pounds of Fish

Katherine E Kerlin — April 29, 2024 - 8:57am

U.S. reservoirs hold more than 7 billion pounds of fish, a �鶹��ý study estimates. Properly managed, these existing reservoir ecosystems could help food security and conservation.

�鶹��ý to Safeguard Spring-Run Chinook Salmon Broodstock

Katherine E Kerlin — October 12, 2023 - 1:29pm

�鶹��ý joins state and federal fisheries agencies to conserve threatened spring-run Chinook salmon, housing captive broodstock.

Removing Dams from the Klamath River is a Step Toward Justice for Native Americans

Katherine E Kerlin — July 13, 2023 - 1:20pm

The Klamath River runs over 250 miles (400 kilometers) from southern Oregon to the Pacific Ocean in Northern California. It flows through the steep, rugged Klamath Mountains, past slopes of redwood, fir, tanoak and madrone, and along pebbled beaches where willows shade the river’s edge. Closer to its mouth at Requa, the trees rising above the river are often blanketed in fog.

Rainbow Trout Subspecies Newly Named

Katherine E Kerlin — March 29, 2023 - 11:00am

The McCloud River redband trout, or O. mykiss calisulat, is newly identified as its own distinct subspecies of rainbow trout in a study from �鶹��ý. It was named in consultation with the Winnemem Wintu tribe.

The Science of Saving Salmon as Klamath Dams Come Down

Katherine E Kerlin — February 24, 2023 - 3:34pm

The world’s largest dam removal in history is slated for 2023. Led by Indigenous tribes in partnership with organizations, lawyers, scientists and activists, the project will remove four dams, clearing the way for the lower Klamath River to flow freely for the first time in more than a century.

Will Harmful Algal Blooms Finish Off White Sturgeon?

Katherine E Kerlin — November 10, 2022 - 2:29pm

�鶹��ý fisheries experts voice concerns and suggestions for how to save white sturgeon after a harmful algal bloom killed hundreds of the fish, an ancient species.

Levi Lewis: The Value of ‘And’

Katherine E Kerlin — August 08, 2022 - 10:00am

Fisheries ecologist Levi Lewis discusses climate anxiety, privilege, fish and the power of ‘and’ as part of �鶹��ý’ climate anxiety series.