Muffy O'Donnell holds up her 19 1/2-inch catfish, one of the biggest catches of the morning. | Jon Langham~for Sun-Times Media

Two-year-old Charlie Foster relaxes in his chair as he waits for a fish to bite Saturday at Prospect Park. | Jon Langham~for Sun-Times Media

Ryan Kessler and his daughter Sloane, 4, enjoy some time together waiting for a fish to bite Saturday during the Clarendon Hills Park District fishing derby. | Jon Langham~for Sun-Times Media

Collin Franco carefully removes a hook from a large catfish. | Jon Langham~for Sun-Times Media

Clarendon Hills Park District hosted its annual fishing derby on Saturday morning at Prospect Park. | Jon Langham~for Sun-Times Media

Mariel Pain takes a photo of her husband, Lucas, and their three sons, Elliott, 2, Everett, 5, and Emerson, 3, as they gather around to look at their catch. | Jon Langham~for Sun-Times Media

Christopher Cabero, 7, and Adam Lubic, 9, sit together as they fish and talk. Clarendon Hills Park District hosted its annual fishing derby on Saturday morning at Prospect Park. | Jon Langham~for Sun-Times Media