In a dark, damp cave in southeastern China, a creature with three jaws and a taste for blood clung to the rock ceiling, ...

Leech expert Roy Sawyer ... surface plants or the bottom using their head as a second foot. They don't have eyes per se, but their eyespots are so sensitive that if you wave your hand across ...

The new leech species has three jaws, five pairs of eyes aligned in a U-shape, a disc-shaped “caudal sucker” for attachment, and a long conical body that changes size and shape depending on ...