Photo Friday: Making the Leap

If Friday doesn't already have you jumping for joy, can we tell you how stoked we are that spring-run Chinook salmon have returned to Big Chico Read More…

Flashback Friday – An Efficient Exchange

Ever wondered which is our most popular story of all time? It's this post on countercurrent oxygen exchange in fish gills! Apparently, how Read More…

Flashback Friday: Technology and Taimen

World Wildlife Day is coming up this weekend, so today's Flashback Friday features a truly unique wildlife species: taimen, the world's largest Read More…

Coming of age on the river bottom

Juvenile Pacific lampreys, like the ones pictured above, endure a transition from immaturity to adulthood as equally awkward and trying as Read More…

San Joaquin Shad

We sometimes get asked whether American shad live in the San Joaquin River basin. The answer is – Yes!  Although the American shad (Alosa Read More…

Smart as a Wrasse

In the hierarchy of animal intelligence, we humans tend to place fellow warm-blooded mammals such as dogs, chimpanzees, or maybe elephants Read More…

Spawn of the Living Dead

As October draws to a close, most of us have spent the past few weeks surrounded by images of Halloween monsters. Whether flipping past TV Read More…

A Bark Worse Than Their Bite

Few fish get a bad rap quite like the piranha. Their reputation as bloodthirsty dates back to at least 1913, when Theodore Roosevelt Read More…

Here Be Giants

California is home of “the Giants,” and not just on the baseball field. One of the most imposing fish on the Pacific coast, the giant sea Read More…

Flashback Friday: Awkward Introduction

As we described in last week's Fish Report, California has a long history of introducing non-native fishes into its waters. But not all of Read More…