Episode 126 - The Largest Migration You've Never Heard Of - 100 Fathoms Down
Every night, trillions of animals rise from the dark middle of the ocean to feed near the surface, then sink back down before sunrise. It's the largest migration on Earth, and almost nobody has heard of it. Pete and Amanda head into the ocean's twilight zone, where colors disappear, the pressure would crush you, and most animals make their own light. We get into the World War II sonar operators who found a sea floor that moved, the most common animal with a backbone on the planet, and why the tuna in your sandwich is secretly a twilight zone creature. Plus the big question: how can something…
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