These X-rays show a moray eel's head and jaws: the top with the mouth slightly open and the bottom with the mouth wide open, revealing the second set of jaws. Moray eels have a unique way of feeding ...

Moray eels have a second, hidden set of jaws that are the stuff of nightmares. These extra jaws can snap forward in an instant to clamp into prey and drag the animal down into the eel's gullet. Those ...

Editor's Note: A news story about this research was published in September, 2007. Moray eels, to my certain knowledge, will bite if provoked. They belong to a family of elongated bony fishes with an ...