Geeks rule

One study on coho salmon found that 75% of jacks passed on their genes, whereas only 58% of older, larger males were successful at reproducing. During mating, Read More…

Highlights from Salmon Festival 2009

This last weekend was the first annual Stanislaus River Salmon Festival and it was a huge success! Thank-you to everyone who helped make is such a great Read More…

Sharp bite

Pictured here is an adult male Chinook salmon flashing his sharp teeth while swimming next to an adult female. Although for most of their lives males and Read More…

Feed me!

At first glance, this small rainbow trout looks a little out of place hanging out with adult spawning Chinook. The trout can be seen staying close to Read More…

Stanislaus River Salmon Festival Video

Saturday (November 7) is the first ever Stanislaus River Salmon Festival.The event is intended to celebrate the local salmon fishery, as well as educate and inspire the Read More…

Bi-colored chinook salmon

During almost 20 years of fish research, we have encountered a lot of interesting looking fish species, odd behaviors, and have observed a variety of injuries, such Read More…

And a river runs through it!

Water releases from Friant Dam, called Interim Flows, began on October 1st as part of San Joaquin River Restoration Settlement Act. The flow was increased from 160 Read More…

Dam trout

Dams reduce the abundance of wild anadromous fish, such as salmon and steelhead, by cutting off access to historical spawning habitat. Our drive for flood control and Read More…

Underwater acoustic video camera

The DIDSON is a valuable new tool to evaluate fish presence and behavior in water that is too dark or turbid to observe them visually. Most researchers Read More…