The species with “triangle” features and dense scales was believed to have existed in only one waterway in the Yunnan Province, researchers said.

Intrigued, they took a closer look at the animals and quickly realized they’d discovered a new species: Protocobitis longibarba, or the long-barbel cave loach. Long-barbel cave loaches have “elongate” ...

Many fish enthusiasts love Black Kuhli Loaches for a variety of reasons. They’re a relatively hardy and peaceful species, so ...

Researchers soon realized they’d discovered a new species: Homatula gelao, or the Gelao loach. Several views of a Homatula gelao, or Gelao loach fish. Photos from Xiao, Guo, Cao, Lin ...

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 ...