Video of eels wiggling out of predator’s stomach stuns scientists

Scientists have captured video evidence of eels wiggling out of the stomachs of bigger fish after being swallowed alive, marking the first such observation of prey behaviour within the digestive tract of any predator. The study, published on Monday in the journal Current Biology, used X-ray videography to look at juvenile Japanese eels escaping from the guts of their predators. Researchers found that the eels insert the tips of their tails in the food pipe and the gills of the predator fish before pulling their heads free. “We have discovered...