Eons

When Fish Wore Armor

Season 1 Episode 51 | 9m 37s Video has closed captioning.

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.

Aired: 07/24/18

Rating: NR

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Welcome to Eons!

Preview: EONS

Welcome to Eons!

Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age.

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