A freshwater fish thought to be extinct was found this week in Turkish waters, nearly 50 years after it was last seen. The Batman River loach was last seen in the Batman and Ambar rivers in 1974.

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 ...

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 -- ...

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), ...