US agency fights invasive bass harming humpback chub in Grand Canyon

PAGE, Arizona: The U.S. Bureau of Reclamation has approved the release of cold water from the Glen Canyon Dam and help the humpback chub and other protected fish in northern Arizona to combat a warm water-loving invasive bass species that threatens the native population, it said this week

The agency said the cooler water from Lake Powell disrupts the spawning of the non-native smallmouth bass and keeps it from g