Log wrestling

The recent rain and snow has caused a lot of problems for holiday travelers throughout the country this past week, and the impact of the bad weather Read More…

Redd characteristics

FISHBIO biologists evaluate salmon redds in West Coast rivers to better understand the spawning habitat preferences of salmon. Spawning locations chosen by Chinook can show considerable variability Read More…

Happy Holidays

Illustration by our own Max Boyd

Chinook alevin

At this time of year we occasionally come across chinook alevin (or sac-fry) in our juvenile salmon outmigration monitoring, which typically runs from December to June. As Read More…

Water + steel + electricity = ?

These are not the typical electrofishing surroundings, but they are certainly interesting. Construction begins this winter on a new fish-screened pumping plant for Tehama-Colusa Canal Authority, and Read More…

FISHBIO fall-run chinook salmon update

Fall-run Chinook adults are still trickling into various tributaries along the West Coast, leading to even higher numbers than were observed in 2009. Since higher numbers are Read More…

Barred or not

We have posted about tuleperch (Hysterocarpus traskii) before, Tuleperch Gone Wild, but we thought this photo was a good example of the different color phases that occur. Read More…

Lights, camera, action

FISHBIO has used the VAKI Riverwatcher since 2003 to count migrating salmon. Now we are using this experience to provide sales and service for the Riverwatcher. In Read More…

Join the crowd

Fish school (group and swim in a coordinated manner) or shoal (loosely stay together for social reasons) for predator avoidance, reproductive advantages, hydrodynamic efficiency and foraging benefits. Read More…