nigrans, Atherina Richardson [J.] 1843:180 [Annals and Magazine of Natural History (New Series) v. 11 (nos 67-8, 71-2); ref. 13395] Port Essington, Northern Territory, Australia. Holotype (unique) (?): BMNH 2006.5.18.1 (dry skin). As Nematocentris nigra in Günther 1867:65 [ref. 1988]. •Synonym of Melanotaenia splendida (Peters 1866) -- (Cadwallader & Backhouse 1983:215 [ref. 25473]). •Valid as Melanotaenia nigrans (Richardson 1843) -- (Roberts 1978:48 [ref. 8886], Allen & Cross 1982:53 [ref. 6251], Paxton et al. 1989:350 [ref. 12442], Allen & Leggett 1990:535 [ref. 20887], Larson & Martin 1990:22 [ref. 16606], Fuller et al. 1999:279 [ref. 25838], Unmack 2001:1061 [ref. 25797], Allen et al. 2002:154 [ref. 25930], Allen et al. 2006:692 [ref. 29066], Morgan et al. 2011:14 [ref. 31262], Larson et al. 2013:60 [ref. 32988], Allen et al. 2015:103 [ref. 33750], Pusey et al. 2017:40 [ref. 35250], Jamandre 2023:160 [ref. 40455]). Current status: Valid as Melanotaenia nigrans (Richardson 1843). Melanotaeniidae. Distribution: Australia and ?New Guinea. Introduced in the Philippines. Habitat: freshwater, brackish.