Despite its gruesome moniker, the Colorado River cutthroat trout has long been revered as one of North America's most beautiful native fish — and it's now one of the country's most imperiled. Named ...

The Center first petitioned to list the Rio Grande cutthroat trout under the Endangered Species Act in 1998. The Service responded that the trout was unlikely to become endangered and decided instead ...

There are four different species of trout, including the brook trout, rainbow trout, brown trout and cutthroat trout. The brook trout is the only species native to Tennessee, with around 150 ...

genetically unique species in a tiny Colorado creek, it was found “thriving” in new streams, officials said. Colorado Parks and Wildlife recently found evidence of the unique cutthroat trout ...