NAGASAKI—A team of researchers here has captured astonishing X-ray footage of young eels making a dramatic, Houdini-like escape from the stomach of a large predatory fish. After being swallowed ...

It’s 95 times the voltage of a 9-volt battery. That’s how much power an electric eel can produce. It’s hard to believe that any species would want to eat something capable of delivering such ...

Like Jonathan Yang, I get a good feeling from eels. The times I've spent with them, especially during the fall migration, have pulsed with energy. Standing in Ray Turner's weir on a cool September ...