Of the 32 eels that were swallowed whole by dark sleeper fish in a recent study, nine of them successfully escaped to safety izumi yokoduka/Getty Eels are evading becoming supper by slipping out of ...

Electrophorus voltai, a newly discovered species of electric eel, pictured swimming in the Xingu River, a southern tributary of the Amazon. L. Sousa Electric eels are hard to miss. They’re eight feet ...

When you’re a predatory fish, sometimes the lunch you gobbled up doesn’t agree with you. Rather than accepting its fate, the still-living meal escapes your stomach and flees through the nearest ...

Japanese eels try to wriggle back out of the stomachs of fish that have swallowed them whole – and now we know how they sometimes succeed. A few years ago, Yuha Hasegawa at Nagasaki University in ...

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