For nearly 450 million years, horseshoe crabs have patrolled our ocean shores, surviving mass extinctions, climate shifts, and the rise and fall of countless species—including the dinosaurs. But what makes these ancient mariners so special? In this episode of Saltwater Stories, we dive deep into the world of horseshoe crabs, uncovering their fascinating biology, from their striking blue blood—vital to modern medicine—to their ten specialized eyes and their surprising connection to spiders.We explore their critical role in coastal ecosystems, where they not only aerate the sand but also provide essential nourishment for migratory birds like the red knot. However, despite their resilience, these “living fossils” now face serious threats from habitat destruction, overharvesting, and climate change.Join us as we discuss conservation efforts, scientific breakthroughs, and the incredible ways these prehistoric creatures continue to impact our world. Whether you’ve encountered a horseshoe crab on a beach or are just learning about them for the first time, this episode will change the way you see these ancient and extraordinary survivors.Tune in for an unforgettable journey through time with one of the ocean’s most remarkable creatures!

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