11 Animals You Never Knew Existed

5. Glaucus Atlanticus

This animal is typically known as a blue dragon. While that name makes it sound intimidating the Glaucus Atlanticus is actually just a type of blue sea slug. This slug is found in many of the world’s oceans and is typically found near the surface of the ocean. It floats to the top because it has a gas-filled sac on its stomach. This sac causes it to float to the top.