hasselti, Polyacanthus Cuvier [G.] in Cuvier & Valenciennes 1831:353, Pls. 195, 205 (part) [Histoire naturelle des poissons v. 7; ref. 4881] Java, Indonesia. Syntypes: MNHN A-0358 (2). Type catalog: Blanc 1963:73 [ref. 19851]. Type information: Roberts 1993:37 [ref. 21799]. Spelled hassellii by Swainson 1839:236 [ref. 4303]. •Valid as Belontia hasselti (Cuvier 1831) -- (Vierke 1986:81 [ref. 36452], Vierke 1988:116 [ref. 36453], Roberts 1989:171 [ref. 6439], Kottelat et al. 1993:161 [ref. 23448], Roberts 1993:37 [ref. 21799], Tan & Ng 2005:116 [ref. 28283], Kottelat & Widjanarti 2005:165 [ref. 28284], Kottelat 2013:448 [ref. 32989], Ng et al. 2019:534 [ref. 36606], Taki et al. 2021:408 [ref. 39830], Ahmad et al. 2023:124 [ref. 41243]). Current status: Valid as Belontia hasselti (Cuvier 1831). Osphronemidae: Belontiinae. Distribution: Southeast Asia: Malaya (Malaysia), Indonesia; introduced in Phu Quoc Island, Vietnam? Habitat: freshwater.