Marine Biologist Answers Fish Questions From Twitter | Tech Support | WIRED

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.



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?

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