Sure 32" is a keeper too but 24" is legal.
http://www.dfg.ca.gov/marine/mapregs5.asp#lingcod_open
I will be talking at the kayak fishing workshop at Fastlane on Mission Bay tomorrow, come out and bring your questions. It's free - Try out all the Mirage drive kayaks, learn fishing secrets, scarf on free drinks and snacks provided by Ron ...
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