Fish Species of Concern
- Delta Smelt, Hypomesus transpacificus
- Green Sturgeon, Acipenser medirostris
- Hardhead, Mylopharodon conocephalus
- Longfin Smelt, Spirinchus thaleichthys
- Sacramento Perch (native population), Archoplites inrerruptus
- Sacramento Splittail, Pogonichthys macrolepidotus
- Winter-run Chinook Salmon, Oncorhynchus tshawytscha