Snakeheads were illegally dumped into a pond in Crofton, Maryland two years earlier. They spread into the Potomac River drainage, eventually making their way into Virginia streams. They finally ...

The large amount of runoff inspired the construction of the Potomac River Tunnel (PRT), a deep-water sewer tunnel designed to ...

(Read more: Fishermen battle invasive ‘frankenfish’ snakeheads.) The largest U.S. invasive population lives in the Potomac River drainage of the Chesapeake Bay watershed. In 2002, a snakehead ...

30, 2019 3:28 p.m. The Pennsylvania Fish and Boat Commission confirmed Monday that an invasive species, the northern snakehead fish, was recently caught in the Monongahela River. It is the first ...