The "Blue Dragon," also known as the blue sea slug or Glaucus atlanticus, is a small marine creature found in warm ocean waters. It is notable for its striking blue color and unique shape, resembling a dragon. This creature floats on the surface of the water, using a gas-filled sac in its stomach to stay buoyant. The Blue Dragon feeds primarily on jellyfish, which it captures using its specialized tentacles. After consuming jellyfish, it can store their stinging cells, called nematocysts, for its own defense. Despite its beautiful appearance, the Blue Dragon can deliver a painful sting to humans if handled.