Unbelievable Aliens and Monsters You've Never Seen

Unseen Oceans on Instagram: "The Viper Dogfish (Trigonognathus kabeyai) is an incredibly rare and eerie-looking deep-sea shark that resembles a creature from an "Alien" movie. First discovered off the coast of Japan in 1986, it is famous for its narrow, triangular jaws that can be protruded forward to snatch prey with lightning speed. Its mouth is filled with widely spaced, needle-like teeth that are so long they are visible even when its mouth is closed, giving it its "viper" name. ​Measuring o

Real Creatures That Seem Unreal: Nature's Mysteries