Click on a watershed to see the fish within it.
Please note, the list of fish will be found within that watershed, but not necessarily in this county.
| Antelope-Fremont Valleys |
| Calleguas Watershed |
| Los Angeles |
| Middle Kern-Upper Tehachapi-Grapevine |
| Mojave Watershed |
| San Gabriel |
| Santa Ana |
| Santa Clara |
| Santa Monica Bay |
| Seal Beach |