In Ventura area, sand bass, calico bass, barracuda, rock cod, various rock fish, halibut, and occasional salmon. You can get 20 fish per day. But, the limit for a kind of fish varies. For example, you cannot keep more than 10 basses per day. When you decide to keep what you catch, you must check if it is legal.
Some fish also have size regulations.
A keeper size bass should be longer than 12 inches. A halibut should be longer than 22 inches. Don't ignore the regulations. Yes, I want to catch something. At least, you should have a rod and reel.