Researchers determined in a new study that Japanese eels can escape a predator fish's stomach through a unique exit route after being swallowed whole by the biggest fish.

Japanese eels use burrowing and swimming motions to move around the seafloor—and to escape from inside the stomach of a predator. Tommy Hui via iNaturalist under CC BY-NC 4.0. Prey animals have ...

Some teenage Japanese eels have found a way to avoid becoming a fish’s next meal. Anguilla japonica eels can escape a predator’s stomach through the fish’s gills. Now, scientists are using X ...

To learn more about the eels' journey to the gills, the researchers injected the fish with barium sulfate, which allowed them to use an X-ray video to see what was occurring inside the predator fish.

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million years ago, and some of the fish have their final meals preserved inside ...

The young eels could spend roughly three minutes inside the fish before dying, the researcher found. Those that escaped successfully spent just under a minute liberating themselves.

A real license plate (from Florida) has been found inside real shark’s stomach, and it was also on display in that 1994 exhibit. Some anglers hypothesize that metal license plates resemble giant metal ...

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.

15 Million year old fish fossil with preserved stomach contents. ( photo credit : Salthy Dingo ) By ABIGAIL RUBINSTEIN APRIL 4, 2025 19:51 Updated : MAY 15, 2025 15:26 ...

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million years ago, and some of the fish have their final meals preserved inside ...