Northern snakehead juveniles feed on a wide variety of microscopic organisms, insect larvae, and crustaceans on which native fish rely. As adults, they feed mostly on other fish species, but also eat crustaceans, reptiles, mammals and small birds. #aquarium #aquariumhobby #fishkeeping | Hendrix backyard TV

Northern snakeheads, labeled “voracious predators” by the Pennsylvania Fish and Boat Commission (PFBC), are invading Philly-area waters. They feast on native fish, and are seen as such an environmental threat that it is illegal to transport them live in the state. A collaborative study led by PFBC hopes to better understand the ramifications of their invasion. A major goal of the team is to determine levels of contamination in snakeheads by synthetic per- and polyfluoroalkyl chemical compounds,