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 evolved ...

Fossils of 15 million-year-old freshwater fish discovered in Australia represent a species completely new to science — and they still have the remains of their final meals in their stomachs. The ...