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

The Dutch city of Utrecht has installed a “fish doorbell” that lets online viewers alert officials when fish are stuck at a ...

The central Dutch city of Utrecht has installed a “fish doorbell” that allows denizens of the internet to give a helping hand ...

The world has seven continents, but do you know the largest freshwater fish in each? These creatures show the incredible diversity of Earth's inland waters. Let's get amazed as we look at these ...

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 ...

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.

Setting up a home aquarium can be a rewarding experience, but one of the first and most crucial decisions you'll need to make ...

A community of rare fish enthusiasts collects endangered species of freshwater fish from lakes and springs around the world, ...

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

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