Invasive northern snakeheads can “walk” on land, breathe air and survive out of water for several days, and they also compete with native species in waterways ...

By Victor Mather The northern snakehead — a sharp-toothed fish that looks like a horrifying hybrid of fish and snake — is spreading throughout the waters of the United States. That’s not good.

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 ...