The summer boating season brings wakeboarding, fishing and good times on the water. It also brings the dreaded quagga mussel.

They were put into Lake Powell in 1982 for recreational fishing purposes. But the invasive species has been affecting the Colorado River ecosystem for the past two decades, as they feast on other ...

But below the dam, the fish could drift downstream to ... of smaller reservoirs have chomped through native species for years above Lake Powell on the Colorado and its largest tributary, the ...

They feast on other native fish species, drastically impacting the ecosystem. An abandoned boat sits on the banks of Lake Powell on March 28, 2022 in Page, Arizona. As severe drought grips parts ...

The Utah Division of Wildlife Resources inspected nearly 11,000 boats for invasive species over Memorial Day weekend.

a predatory invasive fish species.” The bass were introduced upstream and are a favored sport fish in Lake Powell. Having slipped through the dam’s turbines and begun to show signs of ...

Arizona water officials are releasing cold water from Lake Powell to lower water temperatures in the Colorado River and protect the threatened humpback chub fish from an invasive species.

record fish species during a survey, June 9, 2022, above Glen Canyon Dam (back left) on Lake Powell, near Page. With lake levels dropping, biologists fear bass and other nonnative fish will slip ...