This is the goblin shark, a deep-sea fish with a terrifying face and the ability to transform into a deep-sea fish with a terrifying face that’s suddenly a lot closer to you. By which I mean: its jaws can shoot forward, turning its already grotesque visage into something truly nightmarish.

The goblin shark isn’t alone. Here’s the aptly named slingjaw wrasse, slinging its jaw.

Here’s a shot of the Red Bay snook doing the same. Here’s a tiger fish not quite matching the snook or the wrasse, but certainly shoving its toothy maw further out than it normally sits. And here’s the most disturbing example of all—the moray eel, which grabs prey that it has already bitten, using