Professor of marine biology Dr. Kory Evans answers your questions about fish from Twitter. Why are orcas attacking boats? What is the fastest creature in the sea? How do octopi change colors to match their environment? Are jellyfish immortal? Answers to these questions and many more await—it's Marine Biology Support. Director: Lisandro Perez-Rey Director of Photography: Constantine Economides Editor: Richard Trammell Expert: Dr. Kory Evans Line Producer: Joseph Buscemi Associate Producer: Brandon White; Paul Gulyas Production Manager: Peter Brunette Production & Equipment Manager: Kevin Balash Casting Producer: Nick Sawyer Camera Operator: Mar Sound Mixer: Rebecca O’Neill Production Assistant: Caleb Clark Post Production Supervisor: Christian Olguin Post Production Coordinator: Ian Bryant Supervising Editor: Doug Larsen Additional Editor: Paul Tael Assistant Editor: Billy Ward 00:00 Marine Biology Support 00:10 Is Finding Nemo accurate? 01:00 How do white and brown sand differ? 01:35 How do schools of fish swim in harmony? 02:31 Why are orcas attacking boats? 03:12 What is the fastest sea creature? 03:31 Where do shells come from? 04:26 How do starfish know they're hungry? 05:15 How do mantis shrimp see more colors than humans? 05:56 How did angler fish evolve to emit light? 06:28 What is the smartest animal in the sea? 06:49 How do octopi change their colors? 07:14 How do you tell a fish's age? 07:42 How are fish classified? 08:20 Do all fish have similar fins? 09:08 Does coral count as an animal? 09:56 How do goblin sharks eat? 10:28 Are vampire squids real? 11:02 When did whales learn to walk on land? 11:25 Are seahorses real? 12:00 What is the best defense mechanism in the sea? 12:47 What do fish breathe in: water or air? 13:25 How do sea creatures know where to migrate? 13:58 What is diel vertical migration? 14:33 What lives in the Mariana Trench? 15:12 How do bioluminescent waves work? 15:36 Are jellyfish immortal? 16:36 Where did hermit crabs come from? 17:09 Do fish sleep? Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 Listen to the Get WIRED podcast ►► https://link.chtbl.com/wired-ytc-desc Want more WIRED? Get the magazine ►► https://subscribe.wired.com/subscribe/splits/wired/WIR_YouTube?source=EDT_WIR_YouTube_0_Video_Description_ZZ Follow WIRED: Instagram ►►https://instagram.com/wired Twitter ►►http://www.twitter.com/wired Facebook ►►https://www.facebook.com/wired Tik Tok ►►https://www.tiktok.com/@wired Get more incredible stories on science and tech with our daily newsletter: https://wrd.cm/DailyYT Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV. ABOUT WIRED WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture.