The early life stages of fish are marked by the rapid development of the digestive system, which plays a critical role in transitioning from endogenous nutrition, using yolk reserves, to exogenous ...

The tough little egg made it all the way through the digestive system of a coscoroba swan like this one. TonyBaggett / iStock Killifish eggs are known for their resilience: They’ve been found thriving ...

In a scientific first, researchers have captured astonishing video of young Japanese eels escaping after being swallowed by a predatory fish. When you purchase through links on our site, we may earn ...