Abstract
The freshwater and estuarine catfishes of central Sumatra draining to the Indian Ocean and between the Rokan and Batang Hari drainages are reported on the basis of literature records, museum material, and recent collections. Eighty-two species in 10 families are recorded from central Sumatra. Hemibagrus velox and Nanobagrus stellatus are described here as new species. Akysis macronema and Clarias olivaceus are redescribed here.