It has a cool name, it looks like a legendary Pokemon, and it is poisonous. Meet the blue dragon, a species of nudibranch or sea slug. While most nudibranchs crawl near the sea floor, the blue dragon chooses to float on the surface instead, using an air bubble inside its stomach. It often floats upside down, showing different colors of its body to conceal it from predators above and under the water. It also gets its venom from its favorite food, the Portuguese man o’war. It can store its prey’s stinging cells and use it later when a predator comes close.
