We know dolphins can recognize themselves in a mirror and literally sleep with one eye open. But there's a darker, more mysterious side to them that involves its offbeat interaction with an animal deadly to us. It's the adorable pufferfish, able to get dolphins high yet toxic enough to kill 30 people. How can pufferfish cause some dolphins to get completely squiffed? Why would we end up six feet under if we tried the same thing? What other bizarre dolphin behavior might have you thinking twice about taking a swim with them? Questions or concerns? Contact us at https://underknown.com/contact/ Produced by the makers of What If. Check out our other channels: What If - https://bit.ly/youtube-What-If How to Survive: https://bit.ly/how-to-survive-show Your Body on: https://bit.ly/your-body-on-show Crazy Creatures presents the incredible wonders of animal diversity and takes you to some of the most remote and hostile corners of the globe in order to find the ugliest, slimiest and downright weird creatures that grace the planet. An Underknown show: https://underknown.com Contact us at https://underknown.com/contact/ #crazycreatures #dolphins #pufferfish