From the Amazon to the Mekong, migratory freshwater fish underpin food security for millions, but over 300 species need ...

Credit: Zeb Hogan One of Earth’s greatest migrations is vanishing underwater—and almost no one is paying attention. The world ...

By Mongabay.com Water covers most of our planet, yet less than 3% of it is freshwater and most of it is contained in glaciers, making it not readily usable. Contamination and overuse threaten the ...

The fish were found with hot glass in their gills, likely from flaming debris. The discovery of a fossilized fish may offer a glimpse into the day an asteroid hit the earth and wiped dinosaurs off the ...

A midbrain region in fish combines light signals from the eyes and the pineal organ, a light-sensing structure often called the 'third eye.' ...

With under 40 pupfish left in the wild, they are possibly the rarest fish on the planet. With under 40 pupfish left in the wild, these are possibly the rarest fish on the planet. The Devils Hole ...

Mesopelagic fish, long overlooked in ocean chemistry, are now proven to excrete carbonate minerals much like their shallow-water counterparts—despite living in dark, high-pressure depths. Using the ...

Fish are aquatic, gill-bearing, cold-blooded vertebrates with fins and tails for swimming and covered in scales. Recently, a ...