Editor’s Note: A previous version of this story inaccurately reported that native trout species had returned to the channel. While Colorado Parks and Wildlife has reported recovery of brown trout and ...

Compared to single-channel meandering rivers, multichannel braided rivers are often found in environments with sparse vegetation and coarse, shifting bars of sediment. Past research has called the way ...

An invasion of smallmouth bass from the Great Lakes region is spreading to new areas of the Colorado River in Arizona. The bass have already thwarted efforts to save threatened native fish in the ...