When Fish Wore Armor

Published on July 29, 2018
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Captions provided by CCTubes – Captioning the Internet! Check out Hot Mess: https://www.youtube.com/channel/UCsaEBhRsI6tmmz12fkSEYdw

420 million years ago, some fish were more medieval. They wore armor, sometimes made of big plates, and sometimes made of interlocking scales. But that armor may actually have served a totally different purpose, one that many animals still use today.

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