A terrifying look at the Bobbit worm, a segmented marine predator that burrows into the sand and uses razor-sharp jaws to snap unsuspecting fish in half with lightning speed. Iran responds to Trump's ...

The ambushing Bobbit is covered with sand and lures its prey with the protruding antennae; the jaws are under tension like an armed spring trap. Credit: Department of Biomedicine, University of Basel ...