Sea turtles have special adaptations that protect them from a jellyfish's venom known as papillae. 🎥: Underwater_images The papillae are small spiny growths that line their mouth down to their stomach. They are made of the same type of protein (keratin) that help us grow fingernails and hair. The papillae also help break down food and expel sea water. Other defense mechanisms that prevent sea turtles from getting stung include their thick skin around their beaks, armored shells, and ability to