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…

Salmon as food

It's not uncommon for fish to regurgitate their previous meal due the stress of capture. This brown bullhead threw up the juvenile Chinook salmon as he was Read More…

Not all Chinook are created equal

People often ask, what's wrong with hatchery fish? Maybe the most obvious answer is that selective pressures that exist in the wild don't exist in hatcheries. As Read More…