Scientists found a “territorial” creature headbutting rivals in a rocky stream of southern China and discovered a new species, a study said. Photo from Qian-Yu Liang via Chen, Li, Tang, Pu and Lei ...

An invasive species of fish that can live out of water has been found lurking in Canada, experts warn. The Department of Fisheries and Oceans Canada confirmed reports of Misgurnus anguillicaudatus -- ...

Fishkeeping is a popular hobby enjoyed by over 12 million American households. An aquarium filled with colorful freshwater fish can add natural beauty to your home and help you learn more about marine ...

Scientists in China found a river creature with scales under its skin and discovered a new species, a study said. Photo from Guibang Xiao via Xiao, Guo, Cao, Lin, Deng, Xiao, Zhou, Zhang and Fang ...

Researchers said a “rapid decline” of plant life and the introduction of a new species may have led to the loach’s disappearance. Photo by Liu, Lyu, Du, Chen (2025) In a deep pond rich with underwater ...

Native to the Gila River basin, the loach minnow and spikedace are adapted to the beautiful yet vulnerable ecology of southwestern desert rivers. These rare, pint-sized fish are just two of many river ...

A scaly creature with a “blunt” snout swam through a quick-moving river in southeastern Turkey. The animal was probably trying to go about its usual day, but nearby scientists had other plans. They ...

On a sunny day along a stream in southern China, tadpoles dart through the water as they grow and develop into frogs. The canopy-covered water acts as a nursery for these creatures and others. But at ...

An eel-like fish popular in home aquariums — but not native to North America — has been found for the first time in a Georgia waterway. The discovery of the weather loach (Misgurnus anguillicaudatus), ...