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 Northern Pike (Esox lucius) belongs to the Kingdom Animalia. It is one of the largest freshwater predators found across temperate regions of the Northern Hemisphere, where it can grow longer than ...

A newly signed action plan aims to protect the migration cycle of the giant dorado catfish of the Amazon River ...

Freshwater fish are vanishing from the world’s rivers, with migratory species down 81 percent due to dams, pollution, and ...

Migratory freshwater fish populations have crashed by an estimated 81% since 1970, the steepest decline recorded for any ...

In rivers that once held a balanced mix of native fish, a giant predator now dominates so completely that it has started lunging out of the water to grab unsuspecting pigeons. The wels catfish, a ...

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since ...

From the Andes to the Atlantic and back again, the dorado catfish reveals the connectivity of one of the world’s largest ...

Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers ...

Officials with the South Carolina Department of Natural Resources (SCDNR) are reminding anglers to steer clear of releasing a rare invasive species into the water if they happen to catch the fish.

Warming river temperatures are causing invasive northern pike to eat more fish, threatening already declining salmon populations.