LEES FERRY – The National Park Service will poison a Colorado River side channel below Glen Canyon Dam to remove fish that threaten native species, the agency announced. Meanwhile, biologists ...

The stretch of river flowing from Glen Canyon Dam through the Grand Canyon and into Lake Mead is a native fish haven that allowed chubs to rebound to the point of being removed from the endangered ...

Wildlife officials with the National Park Service are planning to use a specialized poison next week to kill off an invasive fish species ... from the river below Glen Canyon Dam, inside the ...

Climate-driven declines in Colorado River flows and historically low Lake Powell levels have caused warm water and smallmouth bass, green sunfish, walleye and other nonnative fish to pass through Glen ...

a National Park Service biologist named Jeff Arnold was hauling nets through a slough off the Colorado River, several miles downstream from Glen Canyon Dam, when he captured three greenish fish ...

the level of the Fish River is so low that hikers tackling the Fish River Canyon this season have to be assisted. The season started on 1 May. The route of around 70 km (if you use all the shortcuts) ...

LEES FERRY – The National Park Service will poison a Colorado River side channel below Glen Canyon Dam to remove fish that threaten native species, the agency announced. Meanwhile, biologists ...