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Now you "sea" them, now you don't! Cuttlefish are more than the chameleons of the sea, these cephalopods take camouflage to a whole new level.

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It's Okay To Be Smart is written and hosted by Joe Hanson, Ph.D

Follow me on Twitter: @DrJoeHanson

Email me: itsokaytobesmart AT gmail DOT com

Facebook: http://www.facebook.com/itsokaytobesmart

For more awesome science, check out: http://www.itsokaytobesmart.com

Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios

Joe Hanson - Creator/Host/Writer

Joe Nicolosi - Director

Amanda Fox - Producer, Spotzen Inc

Kate Eads - Producer

Andrew Matthews - Editing/Motion Graphics/Animation

Katie Graham - Camera

John Knudsen - Gaffer

Theme music: "Ouroboros" by Kevin MacLeod

Other music via APM

Stock images from Shutterstock, stock footage from Videoblocks (unless otherwise noted)