Octomom
Oct 23, 2026 · 34m
Summary
Radiolab tells the story of "Octomom," a deep-sea octopus who spent over four years guarding 160 eggs without eating, a period that set a new world record for brooding. The episode features deep-sea explorer Bruce Robeson, who documented her vigilance against predators, and evolutionary neuroscientist Yan Wong, who explains how the octopus’s optic glands allow her to survive by shutting down most brain functions. The narrative contrasts the immense human drama of the era with the creature’s solitary, focused sacrifice, highlighting the mystery of her final moments as she ensured her hatchli…
Topics discussed
Introduction: A story of perseverance
Meet Bruce Robeson, deep sea explorer
The Monterey Canyon and the deep sea environment
First sighting of the octopus
Octomom guarding her 160 eggs
The physical toll of brooding without food
Octopus lifespan and reproductive biology
Octopus mating rituals and the end of life
The mystery of the brooding duration
Year one: Predators and failed rescue attempts
Year two: The crab attack and survival
Years three and four: Time passing above and below
Why does evolution require such long brooding?
The neuroscience of octopus death
How the optic glands sustain the body
Year four and a half: The final countdown
The hatching and Octomom's disappearance
Imagining Octomom's final moments
Reflections on sacrifice and isolation
Credits and sponsorships
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