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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.

Governor JB Pritzker Illinois.gov Contact IDNR DNR A to Z

Wild About Illinois Fishes!

Family Atherinidae - Silverside Family

Family: Atherinopsidae - Silversides are often found near the surface of the water. They may be seen jumping out of the water when spawning or threatened. Characteristics include an upturned mouth, flattened head, scales on the head, large eyes, no lateral line, a long snout and two widely separated dorsal fins.
     brook silverside (Labidesthes sicculus)
     inland silverside (Menidia beryllina) [nonative]

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