↑Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p.
↑Breder, C.M. i D.E. Rosen, 1966. Modes of reproduction in fishes. T.F.H. Publications, Neptune City (Estats Units). 941 p.
↑Baensch, H.A. i R. Riehl, 1985. Aquarien atlas. Band 2. Mergus, Verlag für Natur- und Heimtierkunde GmbH, Melle, Alemanya. 1216 p.
↑Pethiyagoda, R., 1994, Threats to the indigenous freshwater fishes of Sri Lanka and remarks on their conservation. Hydrobiologia 285:189-201.
↑Rema Devi, K. i T.J. Indra, 2000. Freshwater ichthyofaunal resources of Tamil Nadu. p. 77-97. A: Ponniah, A.G. i A. Gopalakrishnan. Endemic Fish Diversity of Western Ghats. NBFGR-NATP Publication. National Bureau of Fish Genetic Resources, Lucknow, U.P., l'Índia. 1, 347 p.
↑Kapoor, D., R. Dayal i A.G. Ponniah, 2002. Fish biodiversity of India. National Bureau of Fish Genetic Resources Lucknow, Índia.775 p.
↑Gopi, K.C., 2000. Freshwater fishes of Kerala State. p. 56-76. A: Ponniah, A.G. i A. Gopalakrishnan. (eds.). Endemic Fish Diversity of Western Ghats. NBFGR-NATP Publication. National Bureau of Fish Genetic Resources, Lucknow, U.P., l'Índia. 1, 347 p.
↑Shaji, C.P., P.S. Easa i A. Gopalakrishnan, 2000. Freshwater fish diversity of Western Ghats. p. 33-35. A: Ponniah, A.G. i A. Gopalakrishnan. (eds.). Endemic Fish Diversity of Western Ghats. NBFGR-NATP Publication. National Bureau of Fish Genetic Resources, Lucknow, U.P., l'Índia. 1, 347 p.
↑Talwar, P.K. i A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volum 2. A.A. Balkema, Rotterdam.
Burgess, W. E. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes (en anglès). T.F.H. Publications, Inc., 1989. ISBN 9780866228916.
Diogo, R., M. Chardon i P. Vandewalle, 2003: On the osteology and myology of the cephalic region and pectoral girdle of Heteropneustes fossilis (Siluriformes: Heteropneustidae), with commens on the phylogenetic relationships between Heteropneustes and the clariid catfishes. Animal Biology. v. 53 (núm. 4): 379-396.
Hora, S. L., 1936: Siluroid fishes of India, Burma and Ceylon. II. Fishes of the genus Akysis Bleeker. III. Fishes of the genus Olyra McClelland. IV. On the use of the generic name Wallago Bleeker. V. Fishes of the genus Heteropneustes Müller. Records of the Indian Museum (Calcuta) v. 38 (pt 2): 199-209.
Moyle, P.; Cech, J. Fishes: An Introduction to Ichthyology (en anglès). 4a edició. Prentice Hall, 2000. ISBN 9780130112828.