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Ng, H. H. (2003): A revision of the south Asian sisorid catfish genus Sisor (Teleostei: Siluriformes). Journal of Natural History 37 (23): 2871-2883, DOI: 10.1080/00222930210158780, URL: http://www.tandfonline.com/doi/abs/10.1080/00222930210158780

Bagroides melapterus Bleeker, 1851 Bagroides melapterus Bleeker, 1851c: 204 (type locality: Bandjermassing [= Banjarmasin], Borneo); Weber and de Beaufort, 1913: 348, ��gure 147; Jayaram, 1968: 374, ��gure 12; Roberts, 1989: 115; Kottelat et al., 1993: 63, pl. 30. Bagroides melanopterus: Volz, 1904: 469; 1907: 168. Material examined. BATANG HARI DRAINAGE: ZRC 39002 (1), 161.1 mm SL. ZRC 40471 (1), 233.3 mm SL. ZRC 41535 (10), 154.2��201.2 mm SL. ZRC 41901 (5), 206.7��252.7 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat �� shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 271, {"references":["BLEEKER, P., 1851 c, Vierde bijdrage tot de kennis der ichthyologische fauna van Borneo, met beschrijving van eenige nieuwe soorten van zoetwatervisschen, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 2, 193 ± 208.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","JAYARAM, K. C., 1968, Contributions to the study of bagrid ® shes (Siluroidea: Bagridae), 3. A systematic account of the Japanese, Chinese, Malayan and Indonesian genera, Treubia, 27, 287 ± 386.","ROBERTS, T. R., 1989, The freshwater ® shes of Western Borneo (Kalimantan Barat, Indonesia), Memoirs of the California Academy of Sciences, 14, 1 ± 210.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250."]}

Ceratoglanis scleronema (Bleeker, 1862) Hemisilurus scleronema Bleeker, 1862: 93 (type locality: Krawang, Java); Weber and de Beaufort, 1913: 214, ®gure 86; Hardenberg, 1934: 306. Ceratoglanis scleronema: Roberts, 1989: 144; Kottelat et al., 1993: 68, pl. 32. Material examined. BATANG HARI DRAINAGE: CMK 4727 (1), 189.2 mm SL. ZMA 121.819 (1), 216.6 mm SL. ZRC 38981 (2), 158.1, 379.0 mm SL. ZRC 41531 (4), 340.0± 420.0 mm SL. ZRC 41896 (1), 196.0 mm SL. SIAK DRAINAGE: USNM 93287 (1), 356.0 mm SL. Remarks. Crabs (Neorhynchoplax prima Ng and Chuang, 1996; family Hymenosomatidae), isopods, insect remains and remains of a small ®sh were found in the stomach of one specimen dissected. Nothing else is known about the biology of this species., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 281, {"references":["BLEEKER, P., 1862, Atlas Ichthyologique des Indes Orientales Ne AeArlandaises. Tome 2. SilurooEdes, ChacooEdes et He Ate ArobranchooEdes (Amsterdam: Frederic Muller), 112 pp., pls 49 ± 101.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312.","ROBERTS, T. R., 1989, The freshwater ® shes of Western Borneo (Kalimantan Barat, Indonesia), Memoirs of the California Academy of Sciences, 14, 1 ± 210.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Ketengus typus Bleeker, 1847 Ketengus typus Bleeker, 1847: 9 (type locality: Surabaja [= Surabaya], Java); Hardenberg, 1931: 117; 1934: 306; Kottelat et al., 1993: 81, pl. 40., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 297, {"references":["BLEEKER, P., 1847, Nieuwe bijdrage tot de kennis der Siluroiden van Java, Verhandelingen Batav Genootschap, 21, 1 ± 12.","HARDENBERG, J. D. F., 1931, The ® shfauna of the Rokan mouth, Treubia, 13, 81 ± 168.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Arius maculatus (Thunberg, 1792) Silurus maculatus Thunberg, 1792: 31, pl. 1 ®gure 2 (type locality: China, Japan). Arius maculatus: Volz, 1907: 172; Weber and de Beaufort, 1913: 284, ®gure 113; Hardenberg, 1931: 116; 1934: 306; Kottelat et al., 1993: 80, pl. 39. Arius pidada Bleeker, 1858a: 25; 1860a: 44; GuÈ nther, 1864: 167; Volz, 1907: 172. Material examined. BATANG HARI DRAINAGE: ZRC 41539 (3), 186.2±207.2 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 296, {"references":["THUNBERG, C. P., 1792, TvaEnne Japanske ® skar beskrifne, Kongliga V etenskaps Akademiens Svenska Handlingen, 13, 29 ± 32.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","HARDENBERG, J. D. F., 1931, The ® shfauna of the Rokan mouth, Treubia, 13, 81 ± 168.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","BLEEKER, P., 1858 a, Zesde bijdrage tot de kennis der vischfauna van Sumatra. Visschen van Padang, Troessan, Priaman, Siboga et Palembang, Acta Societatis Scientiarum Indo- NeeArlandicae, 3, 1 ± 50.","BLEEKER, P., 1860 a, Achtste bijdrage tot de kennis der vischfauna van Sumatra. Visschen van Benkoelen, Priaman, Tandjong, Palembang en Djambi, Acta Societatis Scientiarum Indo-NeeArlandicae, 8, 1 ± 88."]}

Hemipimelodus borneensis (Bleeker, 1851) Pimelodus borneensis Bleeker, 1851d: 430 (type locality: Sambas, Borneo). Hemipimelodus borneensis: Bleeker, 1860a: 47; 1862: 43, pl. 82 ®gure 3; GuÈnther, 1864: 176; Kottelat et al., 1993: 81, pl. 40. Hemipimelodus macrocephalus Hardenberg, 1931: 117; 1934: 306. Material examined. BATANG HARI DRAINAGE: ZRC 41537 (4), 143.9±160.4 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 297, {"references":["BLEEKER, P., 1851 d, Vijfde bijdrage tot de kennis der ichthyologische fauna van Borneo, met beschrijving van eenige nieuwe soorten van zoetwatervisschen, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 2, 415 ± 442.","BLEEKER, P., 1860 a, Achtste bijdrage tot de kennis der vischfauna van Sumatra. Visschen van Benkoelen, Priaman, Tandjong, Palembang en Djambi, Acta Societatis Scientiarum Indo-NeeArlandicae, 8, 1 ± 88.","BLEEKER, P., 1862, Atlas Ichthyologique des Indes Orientales Ne AeArlandaises. Tome 2. SilurooEdes, ChacooEdes et He Ate ArobranchooEdes (Amsterdam: Frederic Muller), 112 pp., pls 49 ± 101.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","HARDENBERG, J. D. F., 1931, The ® shfauna of the Rokan mouth, Treubia, 13, 81 ± 168.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312."]}

Pseudomystus leiacanthus (Weber and de Beaufort, 1912) L eiocassis leiacanthus Weber and de Beaufort, 1912: 536, pl. 11 ®gure 1, 1a (type localities: Taluk and Ringat [= Rengat], Sumatra); Kottelat et al., 1993: 63, ®gure 151. L eiocassis poecilopterus (non Valenciennes, in Cuvier and Valenciennes, 1840): Klausewitz, 1955: 311. Material examined. BATANG HARI DRAINAGE: SMF 3349 (3), 34.0±52.0 mm. ZRC 38523 (25), 37.9±53.2 mm SL. ZRC 38601 (4), 35.2±42.2 mm SL. ZRC 41664 (1), 32.6 mm SL. ZRC 41819 (15), 23.3±57.3 mm SL. ZRC 41951 (6), 36.6 ±50.7 mm SL. INDRAGIRI DRAINAGE: ZMA 112.672 (1), syntype, 49.9 mm SL. ZRC 39069 (17), 31.0± 46.5 mm SL. Remarks. This species has been found only in peat swamps with very acidic (pH 3.5±4.5) and tannin-stained water., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on pages 280-281, {"references":["WEBER, M. and DE BEAUFORT, L. F., 1912, Die Fische, in A. Mass (ed.) Durch Zentral- Sumatra, V ol. 2 (Leipzig), pp. 522 ± 541.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","KLAUSEWITZ, W., 1955, See- und SuEuwasser ® sche von Sumatra und Java, Senckenbergiana Biologica, 36, 309 ± 323."]}

Arius doriae Vinciguerra, 1880 Arius doriae Vinciguerra, 1880: 174 (type locality: Sarawak); Hardenberg, 1931: 117; 1934: 306. Remarks. Although Weber and de Beaufort (1913) considered this species to be distinct, its validity has been doubted by Kottelat et al. (1993). Pending a detailed study of available specimens, this species is tentatively included in the record., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 296, {"references":["VINCIGUERRA, D., 1880, Appunti ittiologici sulle collezioni del Museo Civico de Genova. IV. Prima contribuzione alla Fauna Ittiologica dell'Isola di Borneo. Siluroidei raccolti durante il viaggo dei Signori Mse. G. Doria e Dr. O. Beccari, Annali del Museo Civico di Storia Naturale di Genova, 16, 161 ± 182.","HARDENBERG, J. D. F., 1931, The ® shfauna of the Rokan mouth, Treubia, 13, 81 ± 168.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Kryptopterus schilbeides (Bleeker, 1858) Hemisilurus schilbeides Bleeker, 1858c: 7 (type localities: Palembang, Sumatra and Bandjermassin [= Banjarmasin], Borneo). Cryptopterus schilbeides: Weber and de Beaufort, 1913: 216. Kryptopterus schilbeides: Roberts, 1989: 150; Kottelat et al., 1993: 69, pl. 34. Material examined. BATANG HARI DRAINAGE: ZMA 120.538 (7), 71.6±100.9 mm SL. ZMA 120.548 (1), 99.5 mm SL. ZRC 40334 (10), 71.9±89.7 mm SL. ZRC 41894 (1), 83.8 mm SL. ZRC 41895 (2), 128.8, 130.5 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 285, {"references":["BLEEKER, P., 1858 c, Zevende bijdrage tot de kennis der vischfauna van Sumatra, Visschen van Palembang, Acta Societatis Scientiarum Indo-NeeArlandicae, 5, 1 ± 12.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","ROBERTS, T. R., 1989, The freshwater ® shes of Western Borneo (Kalimantan Barat, Indonesia), Memoirs of the California Academy of Sciences, 14, 1 ± 210.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Pangasius djambal Bleeker, 1846 Pangasius djambal Bleeker, 1846b: 290 (type locality: Batavia [= Jakarta], Java). Material examined. BATANG HARI DRAINAGE: ZRC 39129 (1), 196.7 mm. INDRAGIRI DRAINAGE: ZRC 39088 (2), 225.0, 245.0 mm SL. Remarks. Pangasius djambal is so far only known from Java and Borneo (Roberts and Vidthayanon, 1991) and our record of this species represents the ®rst from Sumatra. The fact that such a large ®sh has remained unrecorded from Sumatra until now raises the possibility that its presence is due to introductions from Java or Borneo for aquaculture., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 288, {"references":["BLEEKER, P., 1846 b, Siluroideorum bataviensium species nuperrime detectae, Natuur- en Geneeskundig Archief voor Nederlandsch IndieE, 3, 284 ± 293.","ROBERTS, T. R. and VIDTHAYANON, C., 1991, Systematic revision of the Asian cat ® sh family Pangasiidae, with biological observations and descriptions of three new species, Proceedings of the Academy of Natural Sciences of Philadelphia, 143, 97 ± 144."]}

Akysis heterurus Ng, 1996 Akysis heterurus H. H. Ng, 1996: 4 (type locality: Sungai Alai, Sumatra). Material examined. BATANG HARI DRAINAGE: ZRC 34194 (1), holotype, 18.9 mm SL. ZRC 39248 (7), paratypes, 18.4±26.1 mm SL. CMK 12199 (1), paratype, 21.1 mm SL. MZB 6209 (1), paratype, 25.4 mm SL. ZRC 42309 (2), 20.9, 25.9 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 289

Leiocassis micropogon (Bleeker, 1852) Bagrus micropogon Bleeker, 1852a: 94 (type locality: Blitong [= Billiton], Tjirutjup [= Cirupcup] river). L iocassis micropogon: Volz, 1904: 469; 1907: 167. L eiocassis micropogon: Kottelat et al., 1993: 64, pl. 30. Material examined. BATANG HARI DRAINAGE: ZRC 38704 (1), 89.3 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat �� shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 277, {"references":["BLEEKER, P., 1852 a, Bijdrage tot de kennis der ichthyologische fauna van Blitong (Billiton), met beschrijving van eenige nieuwe soorten van zoetwatervisschen, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 3, 87 ± 100.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Mystus singaringan (Bleeker, 1846) Bagrus singaringan Bleeker, 1846a: 150 (type locality: Batavia [= Jakarta], Java). Macrones nigriceps (non Valenciennes, in Cuvier and Valenciennes, 1840): Volz, 1904: 467; 1907: 165; Weber and de Beaufort, 1913: 337, ®gure 145. Mystus nigriceps: Kottelat et al., 1993: 66, pl. 31. Mystus singaringan: Roberts, 1994: 252, ®gure 6. Material examined. BATANG HARI DRAINAGE: ZRC 38617 (4), 79.2±92.8 mm SL. ZRC 38662 (1), 104.8 mm SL. ZRC 39148 (1), 86.3 mm SL. ZRC 39183 (2), 33.2, 33.5 mm SL. ZRC 41719 (2), 113.1, 138.3 mm SL. ZRC 42262 (2), 109.1, 126.4 mm SL. ZRC 42363 (1), 107.5 mm SL. ZRC 42381 (1), 68.8 mm SL. ZRC 42433 (4), 73.3±131.0 mm SL. Remarks. Most authors since GuÈ nther (1864) have referred to Mystus singaringan as M. nigriceps, but the original description of M. nigriceps is based on Kuhl and van Hasselt material of the species usually identi®ed as M. micracanthus (see Roberts, 1994)., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 278, {"references":["BLEEKER, P., 1846 a, Overzicht der Siluroiden welke te Batavia voorkommen, Natuur- en Geneeskundig Archief voor Nederlandsch IndieE, 3, 135 ± 184.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","ROBERTS, T. R., 1994, Systematic revision of Asian bagrid cat ® shes of the genus Mystus sensu stricto, with a new species from Thailand and Cambodia, Ichthyological Exploration of Freshwaters, 5, 241 ± 256."]}

Chaca bankanensis Bleeker, 1852c Chaca bankanensis Bleeker, 1852c: 455 (type locality: Banka); 1858b: 323; 1860a: 49; 1862: 96, pl. 95 ®gure 1; GuÈnther, 1864: 29; Volz, 1904: 463; 1907: 159; 1907: 159; Weber and de Beaufort, 1912: 537; Roberts, 1982b: 899; Kottelat et al., 1993: 78, pl. 38. Chaca chaca (non Hamilton, 1822): Weber and de Beaufort, 1913: 246, ®gure 99. Material examined. BATANG HARI DRAINAGE: ZRC 38548 (1), 120.5 mm SL. ZRC 38707 (3), 146.7±170.0 mm SL. ZRC 39147 (1), 128.7 mm SL. ZRC 41822 (2), 71.2, 109.5 mm SL. ZRC 42042 (4), 80.2±168.0 mm SL. ZRC 42242 (2), 52.7, 59.8 mm SL. ZRC 42403 (1), 63.6 mm SL. ZRC 42438 (1), 18.2 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 295, {"references":["BLEEKER, P., 1852 c, Bijdrage tot de kennis der ichthyologische fauna van het eiland Banka, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 3, 443 ± 460.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","WEBER, M. and DE BEAUFORT, L. F., 1912, Die Fische, in A. Mass (ed.) Durch Zentral- Sumatra, V ol. 2 (Leipzig), pp. 522 ± 541.","ROBERTS, T. R., 1982 b, A revision of the South and Southeast Asian Angler-cat ® shes (Chacidae), Copeia, 1982, 895 ± 901.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","HAMILTON, F., 1822, An Account of the Fishes Found in the River Ganges and its Branches (Edinburgh and London), 405 pp., 39 pls.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp."]}

Akysis macronema Bleeker, 1860 (®gure 8) Akysis macronema Bleeker, 1860b: 11 (type locality: Lahat, Sumatra)., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 289, {"references":["BLEEKER, P., 1860 b, Negende bijdrage tot de kennis der vischfauna van Sumatra. Visschen uit de Lematang-Enim en van Benkoelen, Acta Societatis Scientiarum Indo-NeeA rlandicae, 8, 1 ± 12."]}

Osteogeneiosus militaris (Linnaeus, 1758) Silurus militaris Linnaeus, 1758: 305 (type locality: Asia). Osteogeneiosus militaris: Weber and de Beaufort, 1913: 329; Hardenberg, 1931: 117; 1934: 306; Kottelat et al., 1993: 81, pl. 40., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 297, {"references":["LINNAEUS, C., 1758, Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Diferentiis, Synonymis, L ocis. Tomus I. Editio decima, reformata (Stockholm: Laurentius Salvius), 824 pp.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","HARDENBERG, J. D. F., 1931, The ® shfauna of the Rokan mouth, Treubia, 13, 81 ± 168.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Clarias teijsmanni Bleeker, 1857 Clarias teijsmanni Bleeker, 1857: 344 (type locality:`Tjikoppo, provinciae Buitenzorg, 900 metr. supra mare’, Java). Clarias teijsmanni: Kottelat et al., 1993: 78, pl. 38. Clarias teysmanni: Hubrecht, 1887: 11; Volz, 1904: 463; 1907: 157. Material examined. BATANG HARI DRAINAGE: ZRC 39128 (1), 67.5 mm SL. ZRC 39184 (1), 58.6 mm SL. INDRAGIRI DRAINAGE: ZRC 39105 (4), 37.0±150.0 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on pages 294-295, {"references":["BLEEKER, P., 1857, Descriptiones specierum piscium javanensium novarum vel minus cognitarum diagnosticae, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 13, 323 ± 368.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","HUBRECHT, A. A. W., 1887, Tweede afdeeling. Kruipendedieren en visschen. Pisces, in J. F. Snelleman (ed.) Bijdragen tot de Kennis der Fauna van Midden Sumatra. IV. Natuurlijke historie, V ol. I. Fauna (Leiden: E. J. Brill), pp. 9 ± 14.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250."]}

Parakysis grandis Ng and Lim, 1995 Parakysis grandis Ng and Lim, 1995: 260 (type locality: Riau, near Pangkalankasai, Sumatra). Parakysis verrucosa: Kottelat et al., 1993: 76, pl. 37 (in part). Material examined. BATANG HARI DRAINAGE: ZRC 39178 (1), paratype, 29.3 mm SL. ZRC 38632 (3), CMK 11192 (3), 21.8±24.5 mm SL. ZRC 42419 (1), 23.6 mm SL. ZRC 42494 (1), 25.0 mm SL. INDRAGIRI DRAINAGE: ZRC 39111 (1), holotype, 27.8 mm SL. CMK 9032 (5), 16.2±21.8 mm SL. Remarks. See Ng and Lim (1995) for a discussion of the species., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 290, {"references":["NG, H. H. and LIM, K. K. P., 1995, A revision of the Southeast Asian cat ® sh genus Parakysis (Teleostei: Akysidae), with descriptions of two new species, Ichthyological Exploration of Freshwaters, 6, 255 ± 266.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Kryptopterus limpok (Bleeker, 1852) Silurus limpok Bleeker, 1852d: 583 (type locality: Palembang, Sumatra). Cryptopterus limpok: Volz, 1904: 465; 1907: 160; Weber and de Beaufort, 1913: 219. Kryptopterus limpok: Roberts, 1989: 147; Kottelat et al., 1993: 69, pl. 33. Material examined. BATANG HARI DRAINAGE: CMK 11237 (1), 147.0 mm SL. ZMA 120.535 (3), 105.4±168.4 mm SL. ZRC 38616 (1), 177.3 mm SL. SIAK DRAINAGE: USNM 93289 (2), 142.8, 162.7 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 284, {"references":["BLEEKER, P., 1852 d, Diagnostische beschrijvingen van nieuwe of weinig bekende vischsoorten van Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 3, 569 ± 608.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","ROBERTS, T. R., 1989, The freshwater ® shes of Western Borneo (Kalimantan Barat, Indonesia), Memoirs of the California Academy of Sciences, 14, 1 ± 210.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Pseudomystus stenomus (Valenciennes, in Cuvier and Valenciennes, 1840) Bagrus stenomus Valenciennes, in Cuvier and Valenciennes, 1840a: 415 (type locality: Java). L eiocassis stenomus Weber and de Beaufort, 1913: 355; Kottelat et al., 1993: 65, pl. 31. Material examined. BATANG HARI DRAINAGE: ZMA 121.531 (3), 45.9±58.6 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 281, {"references":["CUVIER, G. and VALENCIENNES, A., 1840 a, Histoire Naturelle des Poissons, V ol. 14, (Paris: Pitois-Levrault), 464 pp., pls 389 ± 420.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Breitensteinia cessator Ng and Siebert, 1998 Breitensteinia cessator Ng and Siebert, 1998: 647, ®gure 1 (type locality: Kapuas river). Breitensteinia insignis: Weber and de Beaufort, 1913: 374, ®gure 151 (in part); Roberts, 1989: 140 (in part). Material examined. BATANG HARI DRAINAGE: ZMA 104.653 (1), paratype, 75.3 mm SL. Remarks. See Ng and Siebert (1998) for a discussion of the species., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 290, {"references":["NG, H. H. and SIEBERT, D. J., 1998, A revision of the akysid cat ® sh genus Breitensteinia Steindachner with descriptions of two new species, Journal of Fish Biology, 53, 645 ± 657.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","ROBERTS, T. R., 1989, The freshwater ® shes of Western Borneo (Kalimantan Barat, Indonesia), Memoirs of the California Academy of Sciences, 14, 1 ± 210."]}

Arius goniaspis Bleeker, 1858 Arius goniaspis Bleeker, 1858a: 44 (type locality: Priaman, Sumatra); GuÈnther, 1864: 166; Volz, 1907: 172; Weber and de Beaufort, 1913: 283. Ariodes goniaspis: Bleeker, 1858b: 91; 1862: 42, pl. 60 ®gure 1. Material examined. BATANG HARI DRAINAGE: ZRC 41538 (1), 192.0 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 296, {"references":["BLEEKER, P., 1858 a, Zesde bijdrage tot de kennis der vischfauna van Sumatra. Visschen van Padang, Troessan, Priaman, Siboga et Palembang, Acta Societatis Scientiarum Indo- NeeArlandicae, 3, 1 ± 50.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","BLEEKER, P., 1858 b, Ichthyologiae archipelagi indici prodromus, V ol. 1 Siluri (Batavia: Lange and Co.), 370 pp.","BLEEKER, P., 1862, Atlas Ichthyologique des Indes Orientales Ne AeArlandaises. Tome 2. SilurooEdes, ChacooEdes et He Ate ArobranchooEdes (Amsterdam: Frederic Muller), 112 pp., pls 49 ± 101."]}

Ompok cf. bimaculatus (Bloch, 1794) Silurus bimaculatus Bloch, 1794: 24, pl. 364 (type locality: Tranquebar, India). Callichrous bimaculatus: Volz, 1904: 465; 1907: 162; Weber and de Beaufort, 1913: 209. W allago miostoma: Weber and de Beaufort, 1913: 202 (in part). Ompok bimaculatus: Kottelat et al., 1993: 70, pl. 34. Remarks. Kottelat and Lim (1995b) considered the Southeast Asian material of O. bimaculatus to belong to a species distinct from O. bimaculatus as originally described and illustrated by Bloch (1794). Until a critical comparison can be made between the Indian and Southeast Asian material, we tentatively use the name O. cf. bimaculatus, Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 285, {"references":["BLOCH, M. E., 1794, Naturgeschichte der Auslandischen Fische. Achter Teil (Berlin: Morino), 174 pp., pls 361 ± 396.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls.","KOTTELAT, M. and LIM, K. K. P., 1995 b, Freshwater ® shes of Sarawak and Brunei Darussalam: a preliminary annotated checklist, Sarawak Museum Journal, 48, 227 ± 256."]}

Clarias nieuho ®i Valenciennes, in Cuvier and Valenciennes, 1840 Clarias nieuho ®i Valenciennes, in Cuvier and Valenciennes, 1840b: 386 (type locality: Indies); Bleeker, 1858b: 351. Clarias nieuho®: Bleeker, 1862: 105, pl. 99 ®gure 2. Clarias nieuho®: Volz, 1904: 463; 1907: 158. Clarias nieuho ®i: Weber and de Beaufort, 1912: 533; 1913: 189; Kottelat et al., 1993: 78, pl. 38. Material examined. BATANG HARI DRAINAGE: ZRC 38978 (5), 200.0±238.0 mm SL. INDRAGIRI DRAINAGE: ZRC 39093 (5), 204.5±358 mm SL. Remarks. We have examined the type of C. pentapterus Bleeker, 1851, and found them to be conspeci®c with the holotype of C. nieuho ®i., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 292, {"references":["CUVIER, G. and VALENCIENNES, A., 1840 b, Histoire Naturelle des Poissons, V ol. 15, (Strasbourg: Pitois), 540 pp., pls 421 ± 455.","BLEEKER, P., 1858 b, Ichthyologiae archipelagi indici prodromus, V ol. 1 Siluri (Batavia: Lange and Co.), 370 pp.","BLEEKER, P., 1862, Atlas Ichthyologique des Indes Orientales Ne AeArlandaises. Tome 2. SilurooEdes, ChacooEdes et He Ate ArobranchooEdes (Amsterdam: Frederic Muller), 112 pp., pls 49 ± 101.","VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","WEBER, M. and DE BEAUFORT, L. F., 1912, Die Fische, in A. Mass (ed.) Durch Zentral- Sumatra, V ol. 2 (Leipzig), pp. 522 ± 541.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Arius sagor Hamilton, 1822 Arius sagor Hamilton, 1822: 169 (type locality: Ganges drainage, India); Weber and de Beaufort, 1913: 289, ®gure 115; Hardenberg, 1931: 116; 1934: 306., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 296, {"references":["HAMILTON, F., 1822, An Account of the Fishes Found in the River Ganges and its Branches (Edinburgh and London), 405 pp., 39 pls.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","HARDENBERG, J. D. F., 1931, The ® shfauna of the Rokan mouth, Treubia, 13, 81 ± 168.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312."]}

Arius truncatus Valenciennes, in Cuvier and Valenciennes, 1840 Arius truncatus Valenciennes, in Cuvier and Valenciennes, 1840b: 64 (type locality: Java); Weber and de Beaufort, 1913: 308, ®gure 131; Kottelat et al., 1993: 80, pl. 39. Material examined. BATANG HARI DRAINAGE: ZRC 41892 (4), 291.5±309.6 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 297, {"references":["CUVIER, G. and VALENCIENNES, A., 1840 b, Histoire Naturelle des Poissons, V ol. 15, (Strasbourg: Pitois), 540 pp., pls 421 ± 455.","WEBER, M and DE BEAUFORT, L. F., 1913, T he ® shes of the Indo-Australian Archipelago, V ol. 2. Malacopterygii, Myctophoidea, Ostariophysi: I. Siluroidea (Leiden: E. J. Brill), 404 pp.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Kryptopterus hexapterus (Bleeker, 1851) Silurus hexapterus Bleeker, 1851c: 203 (type locality: Bandjermassing [= Banjarmasin], Borneo). Cryptopterus hexapterus: Hardenberg, 1931: 115; 1934: 306., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 284, {"references":["BLEEKER, P., 1851 c, Vierde bijdrage tot de kennis der ichthyologische fauna van Borneo, met beschrijving van eenige nieuwe soorten van zoetwatervisschen, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 2, 193 ± 208.","HARDENBERG, J. D. F., 1931, The ® shfauna of the Rokan mouth, Treubia, 13, 81 ± 168.","HARDENBERG, J. D. F., 1934, Additional notes to my paper `` The ® shfauna of the Rokan mouth' ', Treubia, 14, 299 ± 312."]}

Batrachocephalu s mino (Hamilton, 1822) Ageneiosus mino Hamilton, 1822: 159 (type locality: Ganges drainage, India). Batrachocephalus mino: Kottelat et al., 1993: 80, pl. 39. Material examined. BATANG HARI DRAINAGE: ZRC 41536 (1), 174.5 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 297, {"references":["HAMILTON, F., 1822, An Account of the Fishes Found in the River Ganges and its Branches (Edinburgh and London), 405 pp., 39 pls.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Laides hexanema (Bleeker, 1852d) Pangasius hexanema Bleeker, 1852d: 588 (type localities: Palembang, Sumatra and Batavia [= Jakarta], Java). L ais hexanema: Weber and de Beaufort, 1912: 535; 1913: 250, ®gure 101. L aides hexanema: Roberts, 1989: 131; Kottelat et al., 1993: 71, pl. 35. Material examined. BATANG HARI DRAINAGE: CMK 4697 (1), 90.8 mm SL. ZMA 120.521 (2), 86.0±89.0 mm SL. ZRC 41554 (2), 88.5, 101.4 mm SL. INDRAGIRI DRAINAGE: ZMA 120.522 (1), 95.8 mm SL. ZMA 120.523 (1), 113. 0 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on pages 286-287, {"references":["BLEEKER, P., 1852 d, Diagnostische beschrijvingen van nieuwe of weinig bekende vischsoorten van Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 3, 569 ± 608.","WEBER, M. and DE BEAUFORT, L. F., 1912, Die Fische, in A. Mass (ed.) Durch Zentral- Sumatra, V ol. 2 (Leipzig), pp. 522 ± 541.","ROBERTS, T. R., 1989, The freshwater ® shes of Western Borneo (Kalimantan Barat, Indonesia), Memoirs of the California Academy of Sciences, 14, 1 ± 210.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Mystus bimaculatus Volz, 1904 Macrones bimaculatus Volz, 1904: 466 (type locality: Sungai Si Russu and Kwantan river, Djapura, Indragiri, Sumatra); 1907: 165. Mystus bimaculatus: Kottelat et al., 1993: 65, pls. 2, 31. Material examined. BATANG HARI DRAINAGE: ZRC 38524 (7), 49.3±58.1 mm SL. ZRC 38602 (3), 43.8±50.2 mm SL. ZRC 39125 (1), 40.8 mm SL. ZRC 39167 (1), 33.2 mm SL. ZRC 41821 (2), 25.1, 26.5 mm SL. ZRC 42440 (5), 22.5±33.2 mm SL. ZRC 42491 (42), 24.4±66.9 mm SL. INDRAGIRI DRAINAGE: ZRC 39072 (2), 48.1, 50.3 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 277, {"references":["VOLZ, W., 1904, Fische von Sumatra gesammelt von Herrn G. Schneider, Revue Suisse de Zoologie, 12, 451 ± 493.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Ompok eugeneiatus (Vaillant, 1893) Callichrous eugeneiatus Vaillant, 1893: 61 (type locality: Kapuas, Borneo). Silurodes eugeneiatus: Weber and de Beaufort, 1912: 534 ±535, pl. 12 ®gure 1; 1913: 207, ®gure 80. Ompok eugeneiatus: Kottelat et al., 1993: 70, pl. 34. Material examined. BATANG HARI DRAINAGE: ZMA 120.537 (1), 100.2 mm SL. ZRC 41678 (5), 37.6±86.4 mm SL. INDRAGIRI DRAINAGE: ZMA 113.097 (1), 104.8 mm SL. ZRC 39036 (2), 81.7, 83.3 mm SL., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 285, {"references":["VAILLANT, L., 1893, Sur une collection de poissons recueillie par M. Chaper, a Borne Ao, Bulletin. Societe Zoologique de France, 18, 55 ± 62.","WEBER, M. and DE BEAUFORT, L. F., 1912, Die Fische, in A. Mass (ed.) Durch Zentral- Sumatra, V ol. 2 (Leipzig), pp. 522 ± 541.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}

Mystus gulio (Hamilton, 1822) Pimelodus gulio Hamilton, 1822: 201, pl. 23 ®gure 66 (type locality: Ganges drainage, India). Bagrus gulio: Bleeker, 1858a: 25; 1860a: 46. Aspidobagrus gulio: Bleeker, 1862: 60, pl. 74 ®gure 2. Macrones gulio: Volz, 1907: 166, 1907: 166. Mystus gulio: Kottelat et al., 1993: 66, pl. 31., Published as part of Ng, H. H. Tan H. H., 2000, The cat ® shes (Teleostei: Siluriformes) of central Sumatra, pp. 267-303 in Journal of Natural History 34 on page 278, {"references":["HAMILTON, F., 1822, An Account of the Fishes Found in the River Ganges and its Branches (Edinburgh and London), 405 pp., 39 pls.","BLEEKER, P., 1858 a, Zesde bijdrage tot de kennis der vischfauna van Sumatra. Visschen van Padang, Troessan, Priaman, Siboga et Palembang, Acta Societatis Scientiarum Indo- NeeArlandicae, 3, 1 ± 50.","BLEEKER, P., 1860 a, Achtste bijdrage tot de kennis der vischfauna van Sumatra. Visschen van Benkoelen, Priaman, Tandjong, Palembang en Djambi, Acta Societatis Scientiarum Indo-NeeArlandicae, 8, 1 ± 88.","BLEEKER, P., 1862, Atlas Ichthyologique des Indes Orientales Ne AeArlandaises. Tome 2. SilurooEdes, ChacooEdes et He Ate ArobranchooEdes (Amsterdam: Frederic Muller), 112 pp., pls 49 ± 101.","VOLZ, W., 1907, The ® shes of Sumatra, Natuurkundig T ijdschrift voor Nederlandsch IndieE, 66, 35 ± 250.","KOTTELAT, M., WHITTEN, A. J., KARTIKASARI, S. N. and WIRJOATMODJO, S., 1993, Freshwater Fishes of W estern Indonesia and Sulawesi (Hong Kong: Periplus Editions), 221 pp., 84 pls."]}