Australian scientists have discovered an ancient freshwater fish fossil with its stomach contents remarkably preserved. In a ...

The central Dutch city of Utrecht has installed a “fish doorbell” on a river lock that lets viewers of an online livestream alert authorities to fish being held up as they make their springtime ...

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...

For decades, scientists were baffled by why thorny skates in the North Atlantic came in two distinct sizes. Despite extensive ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.

Within them is a colorful world full of freshwater fish who have the power to create healthier rivers, a thriving abundance of wildlife, and even stronger communities. Whether you live near a tiny ...

As the magnitude of water shortage issues arise globally, National Geographic Explorers along with the World Freshwater ...

The giant freshwater stingray (urogymnus polylepis) was classified as globally endangered on the IUCN Red List in 2021. An ...

The central Dutch city of Utrecht has installed a “ fish doorbell ” on a river lock that lets viewers of an online live ...

Scientists involved in coastal research at a Charleston laboratory are in the government’s crosshairs as President Donald Trump seeks to cut thousands of federal jobs.

All steelhead start life as rainbow trout, but not all rainbow trout will become steelhead. Confused? You’re not alone.