| The identity of Clarias batrachus (Linnaeus, 1758), with the designation of a neotype (Teleostei: Clariidae) HH Ng, M Kottelat Zoological Journal of the Linnean Society 153 (4), 725-732, 2008 | 135 | 2008 |
| An annotated checklist of the non-native freshwater fish species in the reservoirs of Singapore HHEE NG, HHUI TAN Cosmos 6 (01), 95-116, 2010 | 93 | 2010 |
| Revision of the Asian catfish genus Hemibagrus Bleeker, 1862 (Teleostei: Siluriformes: Bagridae). HH Ng, M Kottelat Raffles Bulletin of Zoology 61 (1), 2013 | 91 | 2013 |
| Morphological and genetic description of a new species of catfish, Hemibagrus chrysops, from Sarrawah, East Malaysia, with an assessment of phylogenetic relationship (Teleostei … NG HH Raff Bull Zool 47, 45-57, 1999 | 80 | 1999 |
| The fishes of the Endau drainage, Peninsular Malaysia with descriptions of two new species of catfishes (Teleostei: Akysidae, Bagridae) HH Ng, HH Tan ZOOLOGICAL STUDIES-TAIPEI- 38 (3), 350-366, 1999 | 66 | 1999 |
| Local geographic range predicts freshwater fish extinctions in Singapore X Giam, TH Ng, AFSL Lok, HH Ng Journal of Applied Ecology 48 (2), 356-363, 2011 | 52 | 2011 |
| A review of the sisorid catfish genus Oreoglanis (Siluriformes: Sisoridae) with descriptions of four new species HH Ng, WJ Rainboth University of Michigan Museum of Zoology, 2001 | 52* | 2001 |
| The catfishes (Teleostei: Siluriformes) of central Sumatra HH Tan, HH Ng Journal of Natural History 34 (2), 267-303, 2000 | 51 | 2000 |
| A review of the genus Amblyceps (Osteichthyes: Amblycipitidae) in Indochina, with descriptions of five new species HH Ng, M Kottelat Ichthyological Exploration of Freshwaters 11 (4), 335-348, 2000 | 46 | 2000 |
| Two new species of catfishes of the genus Clarias from Borneo (Teleostei: Clariidae) NH Hee The Raffles Bulletin of Zoology 47 (1), 17-32, 1999 | 46 | 1999 |
| The catfish genus Akysis Bleeker (Teleostei: Akysidae) in Indochina, with descriptions of six new species HH Ng, M Kottelat Journal of Natural History 32 (7), 1057-1097, 1998 | 44 | 1998 |
| The identity of catfishes identified as Mystus cavasius (Hamilton, 1822) (Teleostei: Bagridae), with a description of a new species from Myanmar P Chakrabarty, HH Ng Zootaxa 1093 (1), 1–24-1–24, 2005 | 40 | 2005 |
| Glyptothorax botius (Hamilton, 1822), a valid species of catfish (Teleostei: Sisoridae) from northeast India, with notes on the identity of G. telchitta (Hamilton, 1822) HH Ng Zootaxa 930 (1), 1–19-1–19, 2005 | 40 | 2005 |
| Monophyly and phylogenetic relationships of the catfish genus Glyptothorax (Teleostei: Sisoridae) inferred from nuclear and mitochondrial gene sequences W Jiang, HH Ng, J Yang, X Chen Molecular Phylogenetics and Evolution 61 (2), 278-289, 2011 | 38 | 2011 |
| Glyptothorax exodon, a new species of rheophilic catfish from Borneo (Teleostei: Sisoridae) HH Ng, I Rachmatika The Raffles Bulletin of Zoology 53 (2), 251-255, 2005 | 38 | 2005 |
| A revision of the South‐east Asian catfish genus Silurichthys HH Ng, PKL Ng Journal of Fish Biology 52 (2), 291-333, 1998 | 37 | 1998 |
| The second ural centrum in Siluriformes and its implication for the monophyly of superfamily Sisoroidea (Teleostei, Ostariophysi) MCC de Pinna, HH NG American Museum Novitates 2004 (3437), 1-23, 2004 | 35 | 2004 |
| A review of the Ompok hypophthalmus group of silurid catfishes with the description of a new species from South‐East Asia HH Ng Journal of Fish Biology 62 (6), 1296-1311, 2003 | 35 | 2003 |
| Description of three new species of catfishes (Teleostei: Akysidae and Sisoridae) from Laos and Vietnam HH Ng, M Kottelat Journal of South Asian Natural History 5 (1), 7-15, 2000 | 34 | 2000 |
| The status and distribution of freshwater fishes of Indo-Burma M Kottelat, IG Baird, SO Kullander, HH Ng, LR Parenti, WJ Rainboth, ... The status and distribution of freshwater biodiversity in Indo-Burma, 38-65, 2012 | 33 | 2012 |
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