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 of these non-native fishes are living in the river system. This information could be useful, given that many of these species are popular sportfish, and population sizes are … Continue reading How Many Bass and Catfish are in the San Joaquin River?