Have you ever heard of the Turritopsis dohrnii, also known as the Immortal Jellyfish? It’s a species of jellyfish that can revert back to its juvenile stage after reaching maturity. This means that it essentially never dies, making it one of the most fascinating creatures on our planet! Found in tropical waters around the world, this unique species has been studied by scientists for years in hopes of understanding its remarkable ability. So if you’re looking for an immortal companion, look no further than the Turritopsis dohrnii!