An invasive land-walking fish from Asia is spreading into new US states, leading officials to ask Americans to take matters ...

In less than 25 years, an invasive fish has become the apex predator of the Susquehanna River in eastern Pennsylvania. Flathead catfish have been flourishing in the river since 2002, growing to 30 to ...

Scientists caught an apex predator with gold scales in rivers of Georgia and South Carolina and discovered a new species, a study said. Google Street View May 2023 ...