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]). Current status: Valid as Betta splendens Regan 1910. Osphronemidae: Macropodusinae. Distribution: Southeast Asia: Mekong River basin (Thailand and Cambodia). Introduced elsewhere. Habitat: freshwater.