Although carnivorous fish have long been important in aquatic ecosystems, one invasive and aggressive predator has been ...

The northern snakehead (Channa argus) has a most unusual ability: It can breathe outside of the water, as well as within. Juveniles can also wriggle their long, narrow bodies onto land, enabling ...

Mary Ann Thomas Monday, Sept. 30, 2019 3:28 p.m. | Monday, Sept. 30, 2019 3:28 p.m. The Pennsylvania Fish and Boat Commission confirmed Monday that an invasive species, the northern snakehead fish ...