Species that contain: Betta and splendens [ 3 ] records

abbreviata, Betta splendens Pellegrin [J.] 1925:180 [v. 6 (no. 6); ref. 33399] Indochina. Holotype (unique): MNHN 1925-0082. Blanc attributes to Pellegrin 1925, Rev. Hist. Nat. Appl. v. 6:181 but that name is infrasubspecific and not available according to Schaller & Kottelat 1989:36 [ref. 13604], but treated as valid by Pellegrin 1925. •Synonym of Betta splendens Regan 1910 -- (Schaller & Kottelat 1989:36 [ref. 13604], Witte & Schmidt 1992:327 [ref. 14256], Wakiyama et al. 1997:100 [ref. 25519], Tan & Ng 2005:86 [ref. 28354], Kottelat 2013:453 [ref. 32989]). Current status: Synonym of Betta splendens Regan 1910. Osphronemidae: Macropodusinae. Habitat: freshwater.

marchei, Micracanthus Sauvage [H.-E.] 1879:96 [7] [Bulletin de la Société philomathique de Paris (7th Série) v. 3; ref. 3881] Ogooué River at Doumé, Gabon. Holotype (unique): MNHN A-0964. Type catalog: Blanc 1963:73 [ref. 19851]. On p. 7 of separate. See also ICZN Case 3113 to suppress Micracanthus marchei. •Tentatively valid -- (Witte & Schmidt 1992:327 [ref. 14256]). •Synonym (of the younger) Betta splendens Regan 1910 -- (Roberts 1981:91 [ref. 20634]). Current status: Synonym of Betta splendens Regan 1910. Osphronemidae: Macropodusinae. Habitat: freshwater.

splendens, Betta Regan [C. T.] 1910:782 [Proceedings of the Zoological Society of London 1909 (pt 4) (art. 2) (for 9 Nov. 1909); ref. 14593] Menam River [= Mae Nam Chao Phraya], Thailand. Lectotype: BMNH 1898.11.8.95. Paralectotypes: (8) BMNH 1897.12.28.36 (1), 1897.1.28.6-8 (now. 2), 1898.11.8.96-97 (2); ZMA 114490 (1). Type catalog: Nijssen et al. 1982:105 [ref. 19236]. Lectotype selected by Schaller & Kottelat 1989:36 [ref. 13604]. •Valid as Betta splendens Regan 1910 -- (Vierke 1986:96 [ref. 36452], Vierke 1988:138 [ref. 36453], Schaller & Kottelat 1989:31 [ref. 13604], Witte & Schmidt 1992:327 [ref. 14256], Rainboth 1996:215 [ref. 22772], Fuller et al. 1999:471 [ref. 25838], Tan & Ng 2005:86 [ref. 28354], Tan & Ng 2005:125 [ref. 28283], Kuwasupat et al. 2012:49 [ref. 32254], Kowasupat et al. 2012:387 [ref. 32320], Larson et al. 2013:56 [ref. 32988], Kottelat 2013:453 [ref. 32989], Oliveira et al. 2020:115 [ref. 38961], Taki et al. 2021:411 [ref. 39830], Poungcharean & Limpivadhana 2022:106 [ref. 39979], Gurgel-Lourenço et al. 2023:78 [ref. 41056]). Current status: Valid as Betta splendens Regan 1910. Osphronemidae: Macropodusinae. Distribution: Southeast Asia: Mekong River basin (Thailand and Cambodia). Introduced elsewhere. Habitat: freshwater.