- Source: Sundadanio rubellus
Sundadanio rubellus is a danionin in the family Cyprinidae. It is endemic to Kalimantan, Indonesian Borneo, and known from the southern Kapuas River delta. It lives in peat swamp forests.
Sundadanio rubellus reaches a maximum size of 1.9 cm (0.75 in) standard length.
