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 ...

The northern snakehead fish is a long-bodied, predator that resembles a snake and can grow up to 3 feet long. Northern snakehead fish get their name from the python-like colors and patterns on ...