The population of Gulf killifish in the Houston Ship Channel had been steadily declining for decades, likely a result of the toxins pouring in from industrial activity, when suddenly and mysteriously, ...

Striking in the dead of night, thieves are targeting aquariums in Saitama Prefecture near Tokyo and making a killing selling tiny "medaka" killifish to private collectors. Some specimens can ...

In this region, where fossil killifish were previously almost unknown, a freshwater lake existed for around 250,000 years during the Middle Miocene, roughly 14.8 million years ago.

More information: Dirk U. Bellstedt et al, The description of a critically endangered new species of seasonal killifish, ...