When Fish Wore Armor

July 24, 2018
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Eons - S2 - E27

When Fish Wore Armor

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.

Eons: Season 2 - 45 Episode s