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 PerezRey
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?

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