Monday, September 30, 2019Wednesday, September 25, 2019

Warm It Up: Balancing the Needs of Sturgeon, Salmon, and Humans

The historic Sacramento River once flowed unobstructed from rocky Sierra Nevada headwaters to expansive Delta wetlands, providing a diversity of interconnected aquatic habitats. Fish species evolved Read More…

Friday, August 16, 2019Sunday, January 6, 2019

Flashback Friday: Winter-Run Salmon and Temperature

In today's Flashback Friday, we explore the delicate dance required to keep water cool enough for winter-run Chinook salmon in the Sacramento River. These endangered fish are Read More…

Monday, July 15, 2019Thursday, July 11, 2019

Hot and Cold: Dialing in on Temperatures for Winter-Run Salmon

Of the four runs of Chinook salmon that inhabit the Central Valley, winter-run historically had the most daunting journey to reach their spawning grounds. These cold-loving fish Read More…

Monday, May 13, 2019Thursday, September 5, 2019

Stay Cool, Babies – Growth and Temperature Tradeoffs for Juvenile Chinook

Although they spend their lives hidden beneath the surface, fish are directly affected by the weather happening outside their aquatic world. This is particularly true of species Read More…

Monday, August 22, 2016Sunday, January 6, 2019

Winter-Run Salmon and the Delicate Dance of Temperature

Winter-run Chinook salmon (Oncorhynchus tshawytscha) are the most endangered of California’s four salmon runs. These salmon return to freshwater in the winter, and historically sought refuge in Read More…

Monday, August 15, 2016Monday, August 15, 2016

Rainbow Trout Hit Hard by Hot Water

The Stanislaus River is home to one of the largest populations of rainbow trout in California’s Central Valley, but a new report shows the fish have suffered Read More…

Wednesday, May 11, 2016Wednesday, May 11, 2016

It’s Snow Joke: Fish Need Snowpack

Fish might be the furthest thing on the minds of skiers and snowboarders carving the Sierra slopes, but the amount of mountain snowpack that accumulates in winter Read More…

Wednesday, August 19, 2015Tuesday, August 18, 2015

Fish in hot water

Across the Pacific Northwest, salmon are dying in droves – but the deaths aren’t from any predator, poison, or person. These fish are essentially being cooked alive Read More…

Monday, August 10, 2015Wednesday, January 13, 2016

Heart-Stopping Science: The Importance of Fish Physiology

When salmon and trout are exposed to very high temperatures, they often die. Thanks to the study of physiology, we now know that one cause of death Read More…

Monday, October 6, 2014Monday, October 6, 2014

Atlantic salmon can take the heat

As global temperatures continue to rise, and the Pacific Coast endures its third consecutive year of record drought, discussions of how warming temperatures and low water levels Read More…