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Why Evolution Deleted The Ultimate Defense (And Why It Was A Mistake)

400 million years ago, the ocean was a slow-motion demolition derby. If you didn't have several inches of solid bone covering your face, you weren't an animal—you were a snack. This was the age of the Placoderms, where creatures like the terrifying Dunkleosteus ruled the abyss as living tanks.

But if you look at the apex predators of today—the Great White Shark, the Orca, the Blue Whale—the armor is gone. Nature spent millions of years perfecting the ultimate shield, only to hit "delete" on the entire project.

Why did evolution abandon the armor?

In this episode of Dark Biology, we open the archives of the Devonian period to uncover the fatal flaw of being unkillable. You will learn why a thick shell didn't protect these titans—it trapped them. From the horror of "The Snail Drill" to the physics of the "Agility Meta," we explore how the vault became a coffin.