Geographic Range

The three-horned wartyback is generally sporadic and is generally in the Mississippi River drainage. It is found from Minnesota, east through Michigan, western Pennsylvania and Ontario. Its southwestern range includes eastern Kansas, Oklahoma and Texas. Its eastern range includes northwestern Georgia.

In Michigan, the northernmost range is the Grand and Saginaw Rivers. In western Michigan it has been recorded on the Black, Kalamazoo and St. Joseph (Michigan) Rivers. In eastern Michigan records are from Brownstown Creek, Detroit River, lower Raisin River and Lake Erie.

Biogeographic Regions: nearctic (Native )