A joint resolution designating the Iowa darter as the official state fish for the state of Iowa.

HJR 2 designates the Iowa darter (Etheostoma exile) as Iowa's official state fish. The bill requires the state historical museum to display images of the fish and mandates that the Iowa Official Register include a photo and description alongside other state symbols like the state bird and tree. This procedural resolution does not change laws or affect residents directly but formally recognizes the fish as a symbol of Iowa's native biodiversity and water quality. The Iowa darter was chosen because it is the only species named after Iowa and serves as an indicator of clean water habitats.