A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

Experience a peaceful underwater moment as a huchen (Hucho hucho) glides through a clear river. Watch how it slowly moves ...

There are around 40 species of dolphins alive today. They are found all over the world and live in both freshwater and marine ...

A massive Amazonian fish yields the unique and once overlooked leather prized by luxury brands and Texas cowboys.

This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

Many different countries have long rivers, and the U.S. is no exception, but that river is more complicated and unique than ...

The Amazon rainforest is a biological jackpot, a climate regulator, and a living history book all at once. Scientists are ...

It's not a gradual warming trend and it's not the moon phase that triggers Florida’s biggest bass spawning waves. JT Kenney explains how to time the best fishing ...

Ancestral fishing knowledge is now obsolete after dams broke the river’s rhythm, scrambling ancient fishing spots.

JB Hamby, Colorado River Board of California chairman and Colorado River commissioner for California, speaks at the annual Colorado River Water Users Association’s conference in Las Vegas, Dec. 16, ...

On Nov. 18 and 20, Southeast Region Fish and Game fisheries staff and volunteers put on waders, loaded a drift boat with electrofishing equipment and surveyed a 1-mile stretch of the Snake River from ...

People swim and play in the Big River at Rockford Park on Sunday, July 6, 2025, in Jefferson County where water funneled through an opening in a former dam creates dangerous currents. Most of the ...