Northern snakehead fish entered the U.S. when aquarium owners discarded their unwanted exotic captive species into local waterways. The species can spread by swimming underwater and is capable of ...

The northern snakehead is originally from east Asia, where they are a delicacy believed to have healing powers. They can wiggle across land and grow to nearly 3 feet in length.

The snakehead is not a fish you especially want to meet when spending a peaceful day on the lake. Aside from everything else, snakeheads — gulp — can breathe air. And they don’t just look scary.