(Left) Video stills show a goblin shark's protruding jaws (elapsed time is shown in milliseconds). (Right) Goblin shark "slingshot feeding." Jaw movement is extremely rapid: about 0.3 seconds.

To learn more about the goblin shark, watch the the full video from the Australian Museum. < "They don't have any commercial value, other than their jaws," marine biologist Charlott Stenberg told ...

You have to go really, really deep to even have a chance at spotting a goblin shark in its natural habitat. kittisun kittayacharoenpong / Getty Images ...