Downlisted from endangered to threatened in 2021, humpback chub ( Gila Cypha) is found in swift and turbulant waters in canyons of the Colorado River and some of its tributaries...
Bonytail (Gila elegans) is the rarest of the four fish and is listed as endangered. Bonytail are raised in hatcheries and then stocked in the Colorado river basin. There have been a few encounters with wild-spawned bonytail indicating recruitment...
The Recovery Programs are unique partnerships working to recover four threatened and endangered fish species found only in the Colorado River basin while allowing water development to proceed in accordance with federal and state laws and interstate compacts.