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 ...

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 ...

Darkening waters are slowing fish growth and shifting species balance, favoring fish that rely less on vision. Ecosystems and ...

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since 1970. These species depend on long, connected rivers, but dams and human ...

Life revolves around water in this quiet fishing village in Brazil’s southern Pantanal, the world’s largest wetland. Here, a ...

A penny-sized jellyfish has been spotted in the western part of Lake Erie as well as in western Pennsylvania. The stinging cells of these freshwater jellyfish can't pierce human skin. The non-native ...

A group of men surround a Mekong giant catfish (Pangasianodon gigas). (Courtesy of Zeb Hogan.) (CN) — Many freshwater fish worldwide are in crisis, according to a new global assessment, but varied ...

Freshwater streams, ponds and lakes across the United States are becoming saltier, and new research from the University of Missouri shows the damage may be greater than scientists once thought.