ST. GEORGE — The Virgin River may rage, and stream flows may change across southern Utah, but biologists say this sensitive aquatic species is doing OK. The Virgin River is home to six native fish ...

A fisherman shared what it's like to catch an illegal fish that has made a harmful mark on U.S. ecosystems. "This is a 50-pound bighead carp, and it's officially the most invasive fish in the United ...

Swan Lake is seeing some negative effects from a non-native species, and now experts at Montana, Fish, Wildlife and Parks are seeking community input on how to proceed. Swan Lake is a popular ...

As salmon and steelhead swim upstream, they’re now facing one more challenge in fish ladders. It’s a non-native fish competing for space: the American shad. At Lower Granite Dam on the Lower Snake ...

There are plenty of fish that swim through South Carolina's seas, from bass and crappie to marlin and sailfish. But if you catch this three-foot predator in your fishing net, it's best not to release ...