| Key to the genus Betta. |
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| Witte, K.-E. and J. Schmidt 1992. Betta brownorum, a new species of anabantoids (Teleostei: Belontiidae) from northwestern Borneo, with a key to the genus. Ichthyol. Explor. Freshwat. 2(4):305-330. Ref No [26073] Key No. [1181] |