Bladderworts vacuum tiny prey into underwater traps in milliseconds
Aquatic bladderworts bear hollow bladders under negative pressure. When a tiny animal brushes trigger hairs, a trapdoor flips and water — plus prey — rushes in within milliseconds.
The bladder then resets by pumping water out, priming another snap. Digestive glands finish the meal inside the sealed chamber.
Among the fastest plant motions on Earth, bladderwort traps turn suction physics into carnivory in ponds too nutrient-poor for ordinary roots.
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