Too Hot for Company: Warm Temperatures Break up Smelt Shoals
For little fish on the menu of countless hungry predators, staying alive often means seeking refuge in the company of their own kind. When prey species form Read More…
Predation
Film Friday: Trout Waiting for Salmon Eggs
https://youtu.be/NbuEZKAUvoU Salmon migrate hundreds of miles just to lay their eggs, but some of the eggs never stand a chance. Hungry mouths, like the trout in this Read More…
What’s for Dinner? Dissecting a Mystery
The unsettling pile of bones pictured above may look like the remains of victims snatched up by a cave-dwelling ogre, but the zoomed-in image actually shows the Read More…
Fish-friendly Flood-control: Improving Salmon Habitat at Sacramento Levees
It’s no secret that most of California’s waterways have been extensively modified to safeguard valuable agricultural lands, public infrastructure, and private property. In the Sacramento Valley, the Read More…
Film Friday: Pikeminnow Derby
https://www.youtube.com/watch?v=m8utFXTEjUg&t= We know some of you might be gearing up for fishing over the holiday next week, so today's Film Friday features a Pikeminnow Derby held last Read More…
Large Salmon Getting Smaller, Old Salmon Getting Younger
Those who fished for salmon decades ago often lament the bygone “good old days” of abundant, large fish. As it turns out, there is some truth to Read More…
Sheephead, Sea Urchins & Kelp: A Dynamic Food Chain
In ocean food webs, many organisms directly and indirectly rely on each other to bring balance to the surrounding environment. Food webs in ecosystems like kelp forests Read More…
Birds of a Feather Prey Together
Fish are food for a wide array of species in rivers and lakes. As noted in our testimony before members of Congress, predation by nonnative fishes is Read More…
Fishing for Pikeminnow: A Native Predator Removal Derby
Predation is a normal component of a healthy ecosystem, and in California’s rivers, Chinook salmon evolved alongside a suite of native predators that include birds, mammals, and Read More…
Acoustic Fish Tags Document Predation
Not only can predatory fish take a bite out of salmon populations, they can also mess with studies of fish survival. Tagging and tracking fish with acoustic Read More…