6 Ancient Fish That Have Both Gills And Lungs—And Survive Today In These Freshwater Habitats
Lungfish’ would have been a common sight in the Devonian period, about 400 million years ago. Remarkably, six species of this ...
Watch an eel escape a fish’s stomach through its gills
Some teenage Japanese eels have found a way to avoid becoming a fish’s next meal. Anguilla japonica eels can escape a ...
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Watch an eel climb up its predator's digestive tract and wriggle to freedom through its gills
Japanese eels have found an ingenious way to escape a fish's stomach after being swallowed — backing up the digestive tract ...
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Watch Eels Make a Great Escape From a Fish’s Stomach After Being Swallowed Alive
The eels moved back up the fish’s esophagus and pulled free through its gills. In an earlier study, the researchers had found ...
Swallowed eels escape fish predators by slipping through their gills
After being swallowed alive, Japanese eels were able to escape from a predator fish’s stomach and swim to freedom through the fish’s gills, new research shows.