Two weeks ago, I interviewed John Odenkirk, a Virginia Department of Game and Inland Fisheries biologist, about the current health of the Potomac River after the snakehead invasion.John said the ...

Invasive Northern Snakehead reeling in restaurant guests in Maryland 03:14. An invasive fish with the head of a snake and the ability to survive on land for several days has been detected in Missouri.

Usually, measuring about three feet, the snakehead will eat just about anything it can sink its jagged little teeth into: crawfish, dragonflies and fish popular with anglers, like bass and crappie.

Here's how to identify, kill and eat the northern snakehead fish, an invasive species that's now popping up in Louisiana.