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 ...

In a world where most freshwater fish are lucky to see a decade, one species quietly pushes past 100 and can reach 120 years or more without the usual signs of decline. That astonishing lifespan ...

Every spring, for so long nobody knows quite how long, bigmouth buffalo fish move through the shallow reeds in Minnesota’s Rice Lake, gathering to spawn. While this North American native fish can ...

Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is ...