I got there at 9 am. I fished the rocks on the right side of ramp until 9:30 am. I did see some one casting a large trout/bait at the end of the dock. I did not see any one catch a stiper during the time I was out there. I moved to the left side of the ramp at 9:30 am & fished until 1 pm. I usually release my fish. If it gets throat hooked then, I give it to some one who wants it. Although, you can not catch (KILL) more than 5 fish (trout). That means no catching 10 and giving 5 to the guy who is getting skunked. Oh well, rules are rules. 10 in possession applies to fishing other areas, not Castaic Lake. As per DFG officer. That 10 in possession is awkard. It should not even exist. You can catch 5 and give all 5 to the guy who gets skunked. But, that means you both gotta go home (technically). Forget it just catch & release. Or catch 5 & go home. Less complicated. Please correct me if any errors exist here.