Thynnichthys polylepis is a species of cyprinid of the genus Thynnichthys.

[2] It inhabits Sumatra and Borneo.

[2] It has a maximum length among unsexed males of 18.0 centimetres (7.1 in).

[2] Described in 1860 by Pieter Bleeker, it is considered harmless to humans.

[2] This Cyprinidae-related article is a stub.