Marcus Fain catches his third fish of the day, an albino rainbow trout, during the fourth annual Trout Fishing Derby at Irvine Lake on Saturday, December, 6, 2025. (Photo by Mindy Schauer, Orange County Register/SCNG)

Warm weather and a full moon made catching fish a bit challenging during the Fishing Derby at Irvine Lake on Saturday, December, 6, 2025. (Photo by Mindy Schauer, Orange County Register/SCNG)

Marcus Fain shows off the 3.5-pound rainbow trout he caught during the annual Trout Fishing Derby at Irvine Lake on Saturday, December, 6, 2025. (Photo by Mindy Schauer, Orange County Register/SCNG)

Chris Marquez of Santa Ana nets a fish for his buddy who caught it during the fourth annual Trout Fishing Derby at Irvine Lake on Saturday, December, 6, 2025. (Photo by Mindy Schauer, Oran

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