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 ...

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 ...

he had inserted a large eel into his anus. The patient was immediately examined, underwent imaging, tests and an ultrasound. The X-ray images showed a radiopaque skeleton lying horizontally in the ...