In Arizona, specifically in Gila, Mohave, and Yavapai Counties, the roundtail chub occupies several tributaries: Fossil Creek, Oak Creek, Burro Creek, Francis Creek, Big Sandy River, Santa Maria River, Boulder Creek, Trout Creek, Sycamore Creek, Beaverhead Springs, and throughout the Verde River. It is also found in the Gila River and the Rio Yaqui