Silurichthys is a genus of sheatfishes native to Asia. Some Silurichthys species are economically important as aquarium fishes, and many are useful biological indicators of the health of freshwater or peat swamp forests. In Silurichthys species, the eyes are small and under the skin. It is likely sexual dimorphism is present in all species, based on species where there enough specimens available. Mature males of all species have a broad and somewhat flattened pectoral fin spine with "serrae" (saw-like teeth); in females and juveniles, the spine is slender and has no spines.