''Yaoshania pachychilus'', the panda loach, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of gastromyzontid loach

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to mountain streams in

Jinxiu County Jinxiu (; za, italic=yes, Ginhsiu) is a county of eastern Guangxi, China, located in an area of relatively high concentrations of the Yao people. It is administered as the Jinxiu Yao Autonomous County of Laibin City. Established in 1952, with the ...

Guangxi Guangxi (; ; Chinese postal romanization, alternately romanized as Kwanghsi; ; za, Gvangjsih, italics=yes), officially the Guangxi Zhuang Autonomous Region (GZAR), is an Autonomous regions of China, autonomous region of the People's Republic ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

.SeriouslyFish:
Yaoshania pachychilus.
' Retrieved 6 July 2014. This species grows to a length of SL. This species is monotypic, but it was formerly included in ''

Protomyzon ''Protomyzon'' is a genus of gastromyzontid loaches endemic to Borneo. Species There are currently four recognized species in this genus:Kottelat, M. (2012)Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: ...

''. Juveniles are strikingly coloured in black-and-white, but adults are relatively plain. ''Y. pachychilus'' quickly became a popular

aquarium fish Lists of aquarium life include lists of fish, amphibians, invertebrates and plants in freshwater, brackish and marine aquariums. In fishkeeping, suitable species of aquarium fish, plants and other organisms vary with the size, water chemistry and ...

in the 2010s.

References

Gastromyzontidae Monotypic fish genera Endemic fauna of Guangxi Freshwater fish of China Fish described in 1980 {{Cypriniformes-stub