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 ...

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 ...

Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers and many are rapidly collapsing, according to a major new assessment by the ...

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

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 ...

As Alaska’s rivers warm, invasive northern pike are becoming noticeably more voracious. Scientists discovered that pike of ...

In Southern California, a quiet but widespread public health risk has taken root in the region’s freshwater fishing spots. Researchers from Scripps Institution of Oceanography at UC San Diego recently ...

Add Yahoo as a preferred source to see more of our stories on Google. Pufferfish can inflate up to three times their normal size by rapidly swallowing water to appear larger and deter predators.

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.