One fish, two fish – Using mark-recapture to estimate population size
Have you ever reeled in a fish and seen a strange tag sticking off it? Chances are, that fish was part of a mark-recapture study. Capture-mark-recapture techniques Read More…
striped bass
New Video: Evaluating Non-Native Fish Populations in the San Joaquin River
Our newest video features our ongoing project to study the non-native fishes of the San Joaquin River in California’s Central Valley. Non-native fishes outnumber natives in the Read More…
Zooming Out: Rethinking Bay-Delta Fish Trends by Combining Multiple Surveys
The San Francisco Bay-Delta is among the most intensively studied ecosystems in the world. Numerous long-term fisheries monitoring programs have been conducted there since the late 1950s, Read More…
How Many Bass and Catfish are in the San Joaquin River?
The fish assemblages in the San Joaquin River and the Sacramento-San Joaquin Delta are heavily dominated by non-native species. But we actually don’t know just how many Read More…
Photo Friday: Striped Bass Side Eye
Is this striped bass throwing us some side eye? We're not sure, but we did like this photo enough to make it the winner of our monthly Read More…
What Makes a Fish a Successful Invasive?
The state of California has seen the largest number of non-native fish introductions in the entire country (161 fresh- and saltwater species; Nico and Fuller 1999), and Read More…
The Policy of Predation
Many of California's native salmonid populations are in various states of decline due to a wide array of environmental stressors. These stressors are commonly categorized as the Read More…
Striped Bass: The Central Valley’s Most Popular Predator
When it comes to sport fishing, passions can run high. One of our most viewed blog posts of all time is a post from 2011 called “Changes Read More…
Fish numbers in San Francisco Bay Delta remain low
February 2 is World Wetlands Day, a chance to raise awareness about the importance and value of wetlands. Unfortunately, the results from the 2013 California Department of Read More…
The latest catch: striped bass fyke trap study results
This past spring, FISHBIO used a pair of large fyke traps to target striped bass migrating from the Sacramento-San Joaquin Delta into the San Joaquin River as Read More…