Strange Deep-Sea Creatures Were Once Mistaken for Monsters and It's Easy to See Why ...

Barreleye fish are named for their unique, barrel-shaped eyes. These eyes can rotate, allowing the fish to look both upward and straight ahead. Their eyes also have bright green lenses protected ...

Add Yahoo as a preferred source to see more of our stories on Google. Far below the ocean’s surface, where sunlight can’t reach, some of the most unusual creatures on Earth thrive in complete darkness ...

Known as Dalhousiella yabukii, the worm resides inside a glass sea sponge—a simple marine animal that forms a glass-like skeleton—in the cold, dark waters off the coast of Japan. And it’s just one of ...