Researchers long believed sharks to be silent animals based on their anatomy, but unprecedented evidence shows the rig shark ...

For the first time, scientists have recorded evidence of the rig shark — Mustelus lenticulatus — actively producing sound by snapping its teeth, according to research published Tuesday in the journal ...

The clicking of flattened teeth, discovered by accident, could be “the first documented case of deliberate sound production in sharks,” evolutionary biologist Carolin Nieder, of Woods Hole ...

"I bent down to take a closer look, and to my shock, I realized it was a shark tooth," Phillipe said. "At first, my neighbor thought I was pulling a prank on him, but there it was in my hand—no ...