| Reference no. | Description | Year | Name Used | Page |
|---|---|---|---|---|
| 30224 | Tan, H.H. and M. Kottelat, 1998. Two new species of Betta (Teleostei: Osphronemidae) from the Kapuas Basin, Kalimantan Barat, Borneo. Raffles Bull. Zool. 46(1):41-51. | 1998 | Betta pinguis | 43;fig.1 |
| 56613 | Tan, H.H. and P.K.L. Ng, 2005. The fighting fishes (Teleostei: Osphronemidae: Genus Betta) of Singapore, Malaysia and Brunei. Raffles Bull. Zool. Supplement (13):43-99. | 2005 | Betta pinguis | 45 |
| 56749 | Kottelat, M. and E. Widjanarti, 2005. The fishes of Danau Sentarum National Park and the Kapuas Lakes area, Kalimantan Barat, Indonesia. Raffles Bull. Zool. Supplement (13):139-173. | 2005 | Betta pinguis | 166 |
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