urotaenia, Ambassis Bleeker [P.] 1852:257 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 3 (no. 2); ref. 16825] Ambon, Wahai, and Ceram, Indonesia. Syntypes: (6) RMNH 5556 (6 of 24). •Valid as Ambassis urotaenia Bleeker 1852 -- (Hayashi in Masuda et al. 1984:123 [ref. 6441], Maugé 1986:298 [ref. 6218], Allen & Burgess 1990:180 [ref. 15712], Allen 1991:116 [ref. 21090], Talwar & Jhingran 1991:799 [ref. 20764], Kottelat et al. 1993:105 [ref. 23448], Krishnan & Mishra 1994:279 [ref. 24014], Reinthal & Stiassny 1997:354 [ref. 22780], Allen 1999:2435 [ref. 24812], Nakabo 2000:680 [ref. 25086], Allen in Randall & Lim 2000:608 [ref. 25122], Sadovy & Cornish 2000:73 [ref. 25480], Kimura & Peristiwady in Matsuura & Peristiwady 2000:180 [ref. 27511], Sakai et al. 2001:93 [ref. 25693], Nakabo 2002:680 [ref. 26001], Allen & Adrim 2003:30 [ref. 26830], Anderson & Heemstra 2003:206 [ref. 27368], Kimura et al. in Kimura & Matsuura 2003:45 [ref. 27510], Tan & Lim 2004:110 [ref. 27716], Adrim et al. 2004:119 [ref. 27715], Larson & Pidgeon 2004:196 [ref. 28107], Shibukawa 2009:80 [ref. 30449], Motomura et al. 2010:94 [ref. 31256], Kottelat 2013:321 [ref. 32989], Miesen et al. 2016:88 [ref. 34492], Koeda et al. 2016:24 [ref. 35333], Fricke et al. 2018:143 [ref. 35805], Golani & Fricke 2018:60 [ref. 36273], Anderson & Heemstra 2022:23 [ref. 39744], Jamandre 2023:172 [ref. 40455]). Current status: Valid as Ambassis urotaenia Bleeker 1852. Ambassidae. Distribution: Red Sea; Indo-West Pacific: Madagascar and western Mascarenes (La Réunion) east to Micronesia and Fiji, north to southern Japan. Habitat: freshwater, brackish, marine.