Stuff To Blow Your Mind From the Vault: Christmas Trees Beneath the Sea
Dec 25, 2025
Dive into a unique holiday celebration with a look at underwater Christmas trees! Explore the colorful and fascinating Christmas tree worms and their clever feeding techniques. Discover the mysterious black corals, known for their extraordinary longevity and unique shapes. The hosts also illuminate the intriguing siphonophore, showcasing its bioluminescent display. Finally, they brainstorm marine-themed Christmas tree ideas, inviting creative submissions for festive decorations inspired by the ocean's wonders!
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Avatar Plants Drew From Real Marine Life
- James Cameron used real marine organism features to inform Avatar's botanical designs.
- Robert Lamb notes the film's Helicoradium spirale was inspired by Spirorbranchus-like animals with touch-me-not reflexes.
Colorful Feeding Crowns Are Worm Gills
- The Christmas tree worm (Spirobranchus giganteus) displays two colorful spiral crowns used for feeding and breathing, resembling tiny conical trees.
- Robert Lamb explains they retract rapidly and seal with an operculum as a touch-me-not defense.
Snorkeling Peekaboo With Worms
- Joe McCormick recalls snorkeling in Belize and Roatan and observing Christmas tree worms up close.
- He describes their small, whimsical presence and how they play peekaboo by retracting when disturbed.