Photo Friday: Weir Watching

Flows have been up on both the Stanislaus and Tuolumne Rivers, and that's meant some around-the-clock shifts for our field crews to "babysit" our fish counting weirs. Read More…

Fish Biology 101

As we've noted in previous posts (So You Want a Career in Fisheries... and Under the Weather?), fisheries research is not always what new recruits expect. In Read More…

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…

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…

Fish counting weir: how to series

This is the first post in a series that will chronicle the fabrication of a fish counting weir from site selection to installation. Check out our post Read More…

Dead or alive

There are numerous advantages to using a fish counting weir instead of traditional carcass surveys to enumerate spawning migrations of anadromous fish. A weir (aka Alaskan weir, Read More…

Vaki Riverwatcher

Once you have a Fish Counting Weir how will you actually count the fish? A fish weir essentially creates an artificial fish barrier in the river and Read More…

Fish counting weir

How do you count adult salmon migrating upriver to spawn if they don't pass a fish ladder on their journey? We went looking for an answer to Read More…