SOBRE ESTE EPISÓDIO
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In this deep-dive episode of Wildly Curious, Katy Reiss and Laura Fawks Lapole crack open the bizarre, beautiful world of echinoderms—the “spiny-skinned” sea creatures that are hard on the outside, squishy on the inside, and powered by a literal hydraulic system.
We’re talking sea stars, sea urchins, sand dollars, brittle stars, feather stars, and sea cucumbers—a group that looks like it shouldn’t make sense… until you learn the rules.
🌊 The water vascular system and how tube feet work like living suction hydraulics
⭐ Why echinoderms don’t have a centralized brain (and why that doesn’t mean “no thoughts”)
🧬 The wild symmetry twist: larvae start bilateral, then reorganize into radial body plans
🥒 Sea cucumbers and their most unhinged defense move: evisceration (yes, it’s what it sounds like)
🌿 Species spotlight: the sunflower sea star—a major predator of sea urchins that helps keep kelp forests alive
⚠️ And the real-world crisis: sea star wasting syndrome, which caused catastrophic declines, including over 90% loss of sunflower sea stars in much of their range
If you’ve ever looked at a sea star and thought “that thing has no business being real,” this episode is your guide to why it does—and why losing them changes entire ecosystems.
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