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| No. | Valid Name | Author | English Name |
| 1. | Betta akarensis | Regan, 1910 | Akar betta |
| 2. | Betta albimarginata | Kottelat & Ng, 1994 | |
| 3. | Betta anabatoides | Bleeker, 1851 | Giant betta |
| 4. | Betta antoni | Tan & Ng, 2006 | |
| 5. | Betta apollon | Schindler & Schmidt, 2006 | |
| 6. | Betta aurigans | Tan & Lim, 2004 | |
| 7. | Betta balunga | Herre, 1940 | |
| 8. | Betta bellica | Sauvage, 1884 | Slim betta |
| 9. | Betta breviobesus | Tan & Kottelat, 1998 | |
| 10. | Betta brownorum | Witte & Schmidt, 1992 | |
| 11. | Betta burdigala | Kottelat & Ng, 1994 | |
| 12. | Betta channoides | Kottelat & Ng, 1994 | |
| 13. | Betta chini | Ng, 1993 | |
| 14. | Betta chloropharynx | Kottelat & Ng, 1994 | |
| 15. | Betta coccina | Vierke, 1979 | |
| 16. | Betta compuncta | Tan & Ng, 2006 | |
| 17. | Betta cracens | Tan & Ng, 2005 | |
| 18. | Betta dennisyongi | Tan, 2013 | |
| 19. | Betta dimidiata | Roberts, 1989 | |
| 20. | Betta edithae | Vierke, 1984 | |
| 21. | Betta enisae | Kottelat, 1995 | |
| 22. | Betta falx | Tan & Kottelat, 1998 | |
| 23. | Betta ferox | Schindler & Schmidt, 2006 | |
| 24. | Betta foerschi | Vierke, 1979 | |
| 25. | Betta fusca | Regan, 1910 | Dusky betta |
| 26. | Betta gladiator | Tan & Ng, 2005 | |
| 27. | Betta hendra | Schindler & Linke, 2013 | |
| 28. | Betta hipposideros | Ng & Kottelat, 1994 | |
| 29. | Betta ibanorum | Tan & Ng, 2004 | |
| 30. | Betta ideii | Tan & Ng, 2006 | |
| 31. | Betta imbellis | Ladiges, 1975 | Crescent betta |
| 32. | Betta krataios | Tan & Ng, 2006 | |
| 33. | Betta kuehnei | Schindler & Schmidt, 2008 | |
| 34. | Betta lehi | Tan & Ng, 2005 | |
| 35. | Betta livida | Ng & Kottelat, 1992 | |
| 36. | Betta macrostoma | Regan, 1910 | Spotfin betta |
| 37. | Betta mahachaiensis | Kowasupat, Panijpan, Ruenwongsa & Sriwattanarothai, 2012 | |
| 38. | Betta mandor | Tan & Ng, 2006 | |
| 39. | Betta midas | Tan, 2009 | |
| 40. | Betta miniopinna | Tan & Tan, 1994 | |
| 41. | Betta obscura | Tan & Ng, 2005 | |
| 42. | Betta ocellata | de Beaufort, 1933 | |
| 43. | Betta pallida | Schindler & Schmidt, 2004 | |
| 44. | Betta pallifina | Tan & Ng, 2005 | |
| 45. | Betta pardalotos | Tan, 2009 | |
| 46. | Betta patoti | Weber & de Beaufort, 1922 | |
| 47. | Betta persephone | Schaller, 1986 | |
| 48. | Betta pi | Tan, 1998 | |
| 49. | Betta picta | (Valenciennes, 1846) | Spotted betta |
| 50. | Betta pinguis | Tan & Kottelat, 1998 | |
| 51. | Betta prima | Kottelat, 1994 | |
| 52. | Betta pugnax | (Cantor, 1849) | Penang betta |
| 53. | Betta pulchra | Tan & Tan, 1996 | |
| 54. | Betta raja | Tan & Ng, 2005 | |
| 55. | Betta renata | Tan, 1998 | |
| 56. | Betta rubra | Perugia, 1893 | Toba betta |
| 57. | Betta rutilans | Witte & Kottelat, 1991 | |
| 58. | Betta schalleri | Kottelat & Ng, 1994 | |
| 59. | Betta siamorientalis | Kowasupat, Panijpan, Ruenwongsa & Jeenthong, 2012 | |
| 60. | Betta simorum | Tan & Ng, 1996 | |
| 61. | Betta simplex | Kottelat, 1994 | |
| 62. | Betta smaragdina | Ladiges, 1972 | Blue betta |
| 63. | Betta spilotogena | Ng & Kottelat, 1994 | |
| 64. | Betta splendens | Regan, 1910 | Siamese fighting fish |
| 65. | Betta stigmosa | Tan & Ng, 2005 | |
| 66. | Betta stiktos | Tan & Ng, 2005 | |
| 67. | Betta strohi | Schaller & Kottelat, 1989 | |
| 68. | Betta taeniata | Regan, 1910 | Borneo betta |
| 69. | Betta tomi | Ng & Kottelat, 1994 | |
| 70. | Betta tussyae | Schaller, 1985 | |
| 71. | Betta uberis | Tan & Ng, 2006 | |
| 72. | Betta unimaculata | (Popta, 1905) | Howong betta |
| 73. | Betta waseri | Krummenacher, 1986 |