Kryptopterus piperatus is a species of Asian glass catfish from rivers in northern Sumatra, Indonesia.

True K. piperatus is rarely (if ever) seen in the aquarium trade, while K. vitreolus is common.

[3][4] Among described species of Kryptopterus, only three species are clearly transparent: K. vitreolus, K. minor and K. piperatus.

The body of others, including K. bicirrhis, are only somewhat translucent or opaque.

This catfish-related article is a stub.