| 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 | 73 | 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 | 64 | 2010 |
| Morphological and genetic description of a new species of catfish, Hemibagrus chrysops, from Sarawak, East Malaysia, with an assessment of phylogenetic relationships (Teleostei … JJ Dodson Raffles Bulletin of Zoology 47, 45-58, 1999 | 61 | 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 | 47 | 1999 |
| The catfishes (Teleostei: Siluriformes) of central Sumatra HH Tan, HH Ng Journal of Natural History 34 (2), 267-303, 2000 | 43 | 2000 |
| 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 | 41* | 2001 |
| Revision of the Asian catfish genus Hemibagrus Bleeker, 1862 (Teleostei: Siluriformes: Bagridae). HH Ng, M Kottelat Raffles Bulletin of Zoology 61 (1), 2013 | 40 | 2013 |
| 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 | 39 | 1998 |
| 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 | 38 | 2011 |
| A review of the genus Amblyceps (Osteichthyes: Amblycipitidae) in Indochina, with descriptions of five new species HH Ng Ichthyol. Explor. Freshwaters 11 (4), 335-348, 2000 | 35 | 2000 |
| Two new species of catfishes of the genus Clarias from Borneo (Teleostei: Clariidae) NH Hee Raff. Bull Zool 47 (1), 17-32, 1999 | 30 | 1999 |
| A revision of the South‐east Asian catfish genus Silurichthys HH Ng, PKL Ng Journal of Fish Biology 52 (2), 291-333, 1998 | 28 | 1998 |
| Two new glyptosternine catfishes (Teleostei: Sisoridae) from Vietnam and China HH Ng Zootaxa 428 (1), 1-12, 2004 | 25 | 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 | 25 | 2003 |
| 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 | 24 | 2004 |
| Phylogeny and systematics of Bagridae HH Ng Catfishes 1, 439-462, 2003 | 24 | 2003 |
| Helicophagus leptorhynchus, a new species of molluscivorous catfish from Indochina (Teleostei: Pangasiidae) NH Hee, M Kottelat Raffles Bulletin of Zoology 48 (1), 55-58, 2000 | 24 | 2000 |
| Clarias batu, a new species of catfish (Teleostei: Clariidae) from Pulau Tioman, Peninsular Malaysia KKP Lim, HH Ng RAFFLES BULLETIN OF ZOOLOGY 47, 157-168, 1999 | 23 | 1999 |
| Oreoglanis hypsiurus, a new species of glyptosternine catfish (Teleostei: Sisoridae) from Laos HH Ng, M Kottelat Ichthyological Exploration of Freshwaters 10 (4), 375-380, 1999 | 22 | 1999 |
| Hyalobagrus, a new genus of miniature bagrid catfish from Southeast Asia (Teleostei: Siluriformes) HH Ng Ichthyol Explor Freshwat 9, 335-346, 1998 | 22 | 1998 |
