''Thynnichthys polylepis'' is a species of

cyprinid Cyprinidae is a Family (biology), family of freshwater fish commonly called the carp or minnow family, including the carps, the true minnows, and their relatives the barb (fish), barbs and barbel (fish), barbels, among others. Cyprinidae is the ...

of the genus ''

Thynnichthys ''Thynnichthys'' is a genus of freshwater ray-finned fish belonging to the family Cyprinidae, the family which also includes the carps, barbs, minnows and related fishes. The fishes in this genus are found in southern Asia from India to Borneo. ...

''. It inhabits

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

and

Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...

. It has a maximum length among unsexed males of . Described in 1860 by

Pieter Bleeker Pieter Bleeker (10 July 1819 – 24 January 1878) was a Dutch medical doctor, Ichthyology, ichthyologist, and Herpetology, herpetologist. He was famous for the ''Atlas Ichthyologique des Indes Orientales Néêrlandaises'', his monumental work on ...

, it is considered harmless to humans.

References

Cyprinid fish of Asia Freshwater fish of Indonesia Fish described in 1860

polylepis ''Polylepis'' is a genus comprising 28 recognised shrub and tree species, that are endemic to the mid- and high-elevation regions of the tropical Andes, up to above sea level. It is distributed from Venezuela to Patagonia. In Peru, plants in the ...

Taxa named by Pieter Bleeker {{Cyprinidae-stub