Betta simplex

Familia: Osphronemidae
Subfamilia: Macropodusinae
Genus: Betta
Species: Betta simplex

Betta simplex Kottelat, 1994

• Holotype: ZRC 38486 [ex CMK 10635]
• Paratypes: CMK 9445 (4); ZRC 35168-69 (2)

Type locality: Thailand, Krabi Province, northwest of Krabi, spring of Tham Sra Kaew and Nine Ponds, behind Ban Nai Sra village, 2.2 km from National Highway 4034, 1800 m behind Public Health Center.

• Kottelat, M., 1994. Diagnoses of two new species of fighting fishes from Thailand and Cambodia (Teleostei: Belontiidae). Ichthyological Exploration of Freshwaters v. 5 (no. 4): 297-304.
• Schindler, I. & J. Schmidt, 2006. Review of the mouthbrooding Betta (Teleostei, Osphronemidae) from Thailand, with descriptions of two new species. Zeitschrift für Fischkunde v. 8 (no. 1/2): 47-69.

• Kottelat, M. 2013. The fishes of the inland waters of southeast Asia: a catalogue and core bibiography of the fishes known to occur in freshwaters, mangroves and estuaries. Raffles Bulletin of Zoology Supplement No. 27: 1–663. PDF. Reference page. 
• Tan, H.H. & M. Kottelat, 1998. Redescription of Betta picta (Teleostei: Osphronemidae) and description of B. falx sp. n. from central Sumatra. Revue Suisse de Zoologie v. 105 (no. 3): 557-568. BHL

• Betta simplex – Taxon details on Integrated Taxonomic Information System (ITIS).
• Betta simplex in Catalog of Fishes, Eschmeyer, W.N., Fricke, R. & van der Laan, R. (eds.) 2024. Catalog of Fishes electronic version, accessed on February 05, 2021.
• Betta simplex in FishBase,
  Froese, R. & Pauly, D. (eds.) 2024. FishBase. World Wide Web electronic publication, www.fishbase.org, version 02/2024, accessed on February 05, 2021.
• Betta simplex – Taxon details on National Center for Biotechnology Information (NCBI).
• IUCN: Betta simplex  (Critically Endangered)
• Betta simplex in the World Register of Marine Species, accessed on February 05, 2021