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

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” ...

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

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 ...