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↑Ng, H. H. & D. J. Siebert. 2004. A new species of the catfish genus Akysis (Siluriformes: Akysidae) from southern Borneo. Zootaxa Núm. 733: 1-8.
↑Ng, H.-H. & H.-H. Tan. 1999. The fishes of the Endau drainage, Peninsular Malaysia with descriptions of two new species of catfishes (Teleostei: Akysidae, Bagridae). Zool. Studies v. 38 (núm. 3): 350-366.
↑Günther, A. 1883. Notes on some Indian fishes in the collection of the British Museum. Ann. Mag. Nat. Hist. (Ser. 5) v. 11 (núm. 62): 137-140.
↑Ng, H. H. 2009. Akysis portellus, a new species of catfish from the Sittang River drainage, Myanmar. Journal of Threatened Taxa 1(1): 1-7.
↑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. Rec. Indian Mus. (Calcutta) v. 38 (pt 2): 199-209.
↑ 28,028,128,2Ng, H. H. & M. Kottelat. 1998. The catfish genus Akysis Bleeker (Teleostei: Akysidae) in Indochina, with descriptions of six new species. J. Nat. Hist. v. 32 (núm. 7): 1057-1097.
↑Bleeker, P. 1846. Overzigt der siluroïden, welke te Batavia voorkomen. Natuur. Geneesk. Arch. Neerl.-Ind. v. 3 (núm. 2): 135-184.
↑Ng, H. H. & M. Kottelat. 2004. Akysis vespa a new species of catfish (Siluriformes: Akysidae) from the Ataran River drainage (Myanmar). Ichthyol. Explor. Freshwaters v. 15 (núm. 3): 193-200.