Japanese eels have found an ingenious way to escape a fish's stomach after being swallowed ... videography to capture the ...

Narrator: But the stomach? It's just one of many bizarre features inside a puffer. For example, they have specialized muscles that you won't find in most other fish. Some in their mouth ...

NAGASAKI—A team of researchers here has captured astonishing X-ray footage of young eels making a dramatic, Houdini-like escape from the stomach of a large predatory fish. After being swallowed ...

The soft, squishy device was inspired by the puffer fish, which inflates ... various different sensors inside the puffer pills and delivering them to the stomach. These sensors could monitor ...