rosenbergii, Opistognathus Bleeker [P.] 1856:220 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 12 (no. 1); ref. 354] Nias Island [Pulau Nias, Sumatera Utara Province, Indonesia, eastern Indian Ocean]. Holotype (unique): RMNH 5957. •Valid as Opistognathus rosenbergii Bleeker 1856 -- (Krishnan & Mishra 1993:231 [ref. 24016], Smith-Vaniz in Randall & Lim 2000:612 [ref. 25122], Allen & Adrim 2003:34 [ref. 26830] as rosenbergi dated 1856, Mishra & Krishnan 2003:42 [ref. 27712], Satapoomin in Motomura & Satapoomin 2009:99 [ref. 30492], Smith-Vaniz 2011:38 [ref. 31597], Allen & Erdmann 2012:354 [ref. 31980], Smith-Vaniz et al. 2012:20 [ref. 32262], Biswas et al. 2013:1 [ref. 32524], Psomadakis et al. 2020:400 [ref. 37272], Smith-Vaniz 2023:89 [ref. 40049]). Current status: Valid as Opistognathus rosenbergii Bleeker 1856. Opistognathidae. Distribution: Eastern Indian Ocean, western Pacific: southeast coast of India and Myanmar east to Indonesia, north to Vietnam. Habitat: marine.