The Chesapeake Bay, home to blue crabs and striped bass, has a new apex predator: the blue catfish. It's invasive and ...

The Chesapeake Bay, home to blue crabs, striped bass, and other popular seafood, has a new apex predator, the blue catfish. It's invasive and ravenous, growing to more than 100 pounds. But officials ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The rivers of the U.S. and other countries around the world are ...

The tool allows wildlife managers to identify hidden populations before they spread widely through the Everglades. Early detection is critical because both species prey on native wildlife and could ...

The Missouri Department of Conservation said it removed a northern snakehead from one of its waterways, sparking concern because it can prey on native fish. The agency asks anglers to capture and ...

Introduced as live bait for trout in recreational fishing, the Eurasian minnow had a damaging impact on two lakes in northeastern Spain.

"Removing the fish helps reduce pressure on native marine species." ...

Hundreds of divers spent the summer spearing one fish. One of them, a Marine Corps veteran, brought back 1,541 by himself. The post More Than 36,000 Lionfish Removed From Florida Waters: A New Record ...

For a decade, researchers watched a native Utah trout lose ground in its own river before deciding that saving it meant ...

After finding an invasive fish in the southern portion of the state, the Missouri Department of Conservation is asking the public to help them in their effort to combat its population growth.

The endangered Moapa dace survives only in a small network of warm springs and streams in southern Nevada. Conservation ...

University of Florida researchers developed a digital PCR eDNA test that can detect invasive Asian swamp eels and bullseye snakeheads within five minutes. The tool allows wildlife managers to identify ...