Welcome to the deep, dark, mysterious world of the deep sea. This uncharted territory is home to some of the most extraordinary, and terrifying, creatures on Earth. Prepare to meet some of the strangest life forms ever discovered!

1. The Anglerfish

Perhaps one of the most famous deep-sea creatures, the Anglerfish is known for its monstrous appearance and unique hunting technique. As explained in this National Geographic article, it uses a luminescent lure to attract unsuspecting prey straight into its gaping mouth.

2. Giant Squid

Elusive and gargantuan, the giant squid has long fascinated scientists. Its existence was only confirmed in 2004, according to this Smithsonian Magazine article. With the largest recorded specimen reaching 43 feet in length, it's certainly a terrifying sight.

3. The Fangtooth Fish

With its disproportionately large, fang-like teeth, the Fangtooth Fish is one of the deepest-living fish ever discovered. Despite its ferocious appearance, it's relatively small and harmless to humans. Learn more about it from this Oceana.org entry.

4. The Goblin Shark

The Goblin Shark is a rare species of deep-sea shark, known for its unusual appearance and pinkish color. Its jaw can protrude to almost the length of its snout to catch prey. Discover more about this living fossil in this Live Science article.