Many otherworldly deep-sea creatures, though, are so beautiful and mysterious that you won't believe they exist. Even in the ...

Here are some of the deep-sea animals that we do know something about. The pelican eel (Eurypharynx pelecanoides) is a type of gulper eel that uses its large, pelican-like mouth to gulp up its prey.

Beneath the ocean’s surface lies a world of perpetual darkness, home to some of Earth’s most bizarre and fascinating ...

Look, here comes a blobfish! This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society. But its jelly-like skin looks much more natural at 900 meters.

Lurking in the ocean's depths are bizarre creatures reminiscent of sci-fi ... sex multiple times throughout its life. The gulper eel, or pelican eel, has a massive mouth, grows six feet, and ...