11. The Blue Dragon: This is the Glaucus Atlanticus, a crazy species of blue sea slug. The Blue Dragon is able to float on the water's surface because of a gas-filled sac in its stomach. This species can be found in the warm ocean waters, so be careful not to step on these beauties.
20 Unique Animals That You Won't Believe Actually Exist
You probably haven't seen most of these animals before. In fact, most people haven't. One is only visible for two weeks out of the whole YEAR, but we're bringing them to you because they are so strange. They would look completely at home in any Tim Burton movie, but these creatures are totally real. You've been warned! Listed by @silversnake475.
Absurd Creature of the Week: This Crazy-Looking Sea Slug Has an Ingenious Secret Weapon
Glaucus Atlanticus: Also known as the blue dragon, this creature is a is a species of blue sea slug. You could find it in warm waters of the oceans, as it floats on the surface because of a gas-filled sac in its stomach. (Image credits: unknown | unknown | paulhypnos)
You'll Be Totally Mesmerized By What A Family Found On The Beach In Australia
Glaucus atlanticus which is commonly known as the sea swallow, blue angel, blue glaucus, blue dragon, blue sea slug and blue ocean slug a species of small-sized blue sea slug, a pelagic aeolid nudibranch, gastropod mollusk in the family Glaucidae