The Desert Trails You Hike Were Once Shark Territory

A Shark Week detour into the ocean that used to cover the Coachella Valley — megalodon included.

It’s Shark Week, and normally that means I’m on the couch watching sharks relocate to places they’ve never been before, because apparently climate change comes for everyone’s commute, teeth included (pun intended, payoff coming later). But this year I got distracted by a wilder fact: the ground under our hiking boots used to be ocean. Like, actual sea floor, actual sharks, actual megalodon-sized teeth kind of ocean.

I went down this rabbit hole over on Cactus and Climate, where I dug into the fossil record hiding in our own backyard, the Coachella Valley badlands. Turns out the desert we hike through every weekend was underwater for millions of years, and one of the biggest predators to ever exist was swimming right through it.

If you’ve ever wondered why we find shark teeth and oyster shells way out in the middle of the desert, this one is for you.


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