In this special MEGA episode documentary from Nat Geo Animals, meet three unique sea creatures from around the globe. First, visit France to learn about the giant Wels catfish that has turned to land for food. Then, visit Christmas Island, an Australian territory in the Indian Ocean, to follow the life of a Christmas Island red crab. Finally, as many creatures struggle to survive, one continues to thrive: the jellyfish. Its stings help it survive, but how deadly are jellyfish to humans? Featuring three, full episodes: Monster Fish: Giant Killer Catfish - 00:00 Zeb is in Albi in southern France, hoping to find the giant Wels catfish, a fish that has done the unthinkable and turned to land for food. Trials of the Wild: Night of the Christmas Crab - 44:00 Once a year land bound Christmas Island red crabs are called back to the sea to birth their young, encountering obstacles in the forest along the way. World's Deadliest Jellyfish - 01:05:58 In a time of mass extinction one creature is thriving: jellyfish. Which ones are the biggest threats? And just how many people a year fall victim to swarms of stinging jellyfish? Topics Include: -Annual Christmas Island red crab migration -Huge river catfish -European Fish Breeds -Types of jellyfish Explore the World with National Geographic subscriptions: https://natgeo.com/ytngmagazine ➡ Subscribe: https://on.natgeo.com/41A7tf0 ➡ Get wild with more Nat Geo Animals Full Episodes: https://on.natgeo.com/3V2EOLO ➡ Get Nat Geo Full Episodes: https://on.natgeo.com/3V5ZfHI And check out more National Geographic series and specials here: ➡ Disney Plus: https://on.natgeo.com/3q6on5p ➡ Hulu: https://on.natgeo.com/3Qor0Ko ➡ NGTV: https://natgeo.com/tv ➡ ABC: https://abc.com #NatGeoAnimals #Fish #MegaEpisode About National Geographic Animals: National Geographic Animals brings you closer to the wild than ever before. Take a journey through the animal kingdom to discover fierce predators, surprising behaviors, adorable babies, and more through our fascinating wildlife documentaries, series, and specials. Get More National Geographic: Official Site: https://nationalgeographic.com Instagram: https://instagram.com/natgeo Facebook: https://facebook.com/natgeo Threads: https://threads.com/@natgeo X: https://x.com/NatGeo LinkedIn: https://linkedin.com/company/national-geographic TikTok: https://tiktok.com/@natgeo Reddit: https://reddit.com/user/nationalgeographic Pinterest: https://pinterest.com/natgeo Unique Underwater Creatures | Documentary MEGA Episode Special | Nat Geo Animals https://youtu.be/uSs4dCAJHmk National Geographic youtube.com/@NatGeoAnimals