Cyclocheilichthys janthochir is a species of freshwater fish in the family Cyprinidae.

[1][2][3] It is endemic to southwestern Borneo in Kalimantan (Indonesia) where it occurs in highly acidic blackwater streams and pools in peat swamp forests.

[1] It feeds on aquatic insects.

[2] Cyclocheilichthys janthochir grows to 20 cm (7.9 in) total length.

This Cyprininae article is a stub.