2017-2018 Freshwater Sport Fishing Regulations

Any person who is 16 years of age or older must have a sport fishing license to take any kind of fish, mollusk, invertebrate, amphibian or crustacean in California, except for persons angling from a public pier in ocean or bay waters. A sport fishing license is required to take reptiles, except for rattlesnakes.

https://www.wildlife.ca.gov/Fishing/Inland/2017-Regulations

 2017-2018 Ocean Sport Fishing Regulations

https://www.wildlife.ca.gov/Fishing/Ocean/Regulations/Sport-Fishing