The National Park Service will renew efforts to rid an area of the Colorado River in northern Arizona of invasive fish with a chemical treatment.
This undated photo provided by the U.S. Fish and Wildlife Service shows a humpback chub in the Colorado River basin in Grand Canyon National Park in Arizona. The National Park Service will renew efforts to rid an area of the Colorado River in northern Arizona of invasive fish by killing them with a chemical treatment, the agency said Friday, Aug. 18, 2023.
Juvenile smallmouth bass sit at a National Park Service laboratory near Page, Ariz., July 1, 2022. The National Park Service will renew efforts to rid an area of the Colorado River in northern Arizona of invasive fish by killing them with a chemical treatment, the agency said Friday, Aug. 18, 2023. It’s the latest tactic in an ongoing struggle to keep non-native smallmouth bass and green sunfish at bay below the Glen Canyon Dam and to protect a threatened native fish, the humpback chub.
This undated photo provided by the U.S. Fish and Wildlife Service shows a humpback chub in the Colorado River basin in Grand Canyon National Park in Arizona. The National Park Service will renew efforts to rid an area of the Colorado River in northern Arizona of invasive fish by killing them with a chemical treatment, the agency said Friday, Aug. 18, 2023.
This undated photo provided by the U.S. Fish and Wildlife Service shows a humpback chub in the Colorado River basin in Grand Canyon National Park in Arizona. The National Park Service will renew efforts to rid an area of the Colorado River in northern Arizona of invasive fish by killing them with a chemical treatment, the agency said Friday, Aug. 18, 2023.
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