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 ...

While fish offers vital nutrients, pairing it with certain foods can trigger digestive issues. Experts suggest avoiding dairy ...

The Nile River passes through several countries on the African continent and is the longest river in Africa at over 4,000 miles long. It's famously been known as a giver of life to the region, but ...

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 ...

It’s become an all-too-common variety of news story: Dead whales whose digestive systems are clogged with plastic. Increasing numbers of seabirds eating plastic, often with dire consequences. Ditto ...