Park rangers in Chester County, Pennsylvania, found an invasive snakehead fish in the Schuylkill River this week.

In landlocked Arizona, where the Colorado River crisis has put water use under a microscope, a new inland desert fish farm is ...

In landlocked Arizona, where the Colorado River crisis has put water use under a microscope, a new inland desert fish farm is growing barramundi, a tropical species native to Australia. (AP Video: ...

Chester County Parks recently shared an alert on Facebook after rangers encountered the fish during a routine check.

Infected fish found in northern Thailand spark concerns over toxic river pollution. Officials warn of dangerous arsenic and ...

The Vermont Fish and Wildlife Department is reminding anglers and the public to avoid disturbing spawning sea lamprey that ...

Laura Meyerson was stepping through a marsh on the Housatonic River in Connecticut on a picture-perfect day as a young ...

Environmental groups in Vermont and New Hampshire have filed legal challenges to the water quality permits granted this ...

The world’s oldest known living harbor seal reached a rare milestone this week, turning 50 years old—twice the life expectancy of a harbor seal in the wild. She lives at the Oregon Coast Aquarium in ...

Angler Rafal Wlazlo landed a new record carp from Lake Lillinonah on May 25. The 45-pound, 8-ounce giant is the largest ...

Rafal Wlazlo caught a 45 pound, 8 ounce common carp in Lake Lillinonah in Bridgewater, landing a new state record, officials ...

Meander along scenic waterways and across footbridges at this uncrowded gem in Connecticut. It's the perfect playground to ...