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The IDNR headquarters at 1 Natural Resources Way in Springfield has experienced a power outage and tree damage throughout the grounds as a result of severe storms in the area. The agency expects to reopen the building to the public on Monday, June 15, 2026, though this could be subject to change. Check back here for an update before planning to visit the office in person.

Wild About Illinois Fishes!

Family Percidae - Perch Family

Family: Percidae -The perch family is second only to the minnow family in diversity of North American fishes. Most species in this family are darters. Darters tend to live on the bottom of streams or lakes and dart about for food. They generally do not have a gas bladder. Characteristics include two dorsal fins, thoracic pelvic fins with one spine and five rays and ctenoid scales.

Species Gallery