Uglier and much bigger than the piranha, the snakehead is a fierce predatory fish native to the rivers of Southeast Asia. Not only does it inhabit the water, but the creature can also breathe air through a pair of rudimentary lungs, allowing it clamor up on the muddy shore. Elsewhere in the world, it's an aggressive, invasive species with no natural predators, and, scarily, specimens have been caught on this continent in Chesapeake Bay, Southern California, and a freshwater... More >>>