What reef animal comes in a rainbow of crazy colors, can throw out its stomach to immobilize predators, then creep away and regrow a brand-new stomach? It’s the sea cucumber, prized as a gastronomic delight by some cultures and beginning to yield some of its secrets to scientists. Follow Podcast of Life host Ari Daniel Shapiro from Chinatown to the reefs of Fiji to learn more about these amazing creatures.