mariae, Tilapia Boulenger [G. A.] 1899:122, Pl. 11 (fig. 1) [Proceedings of the Zoological Society of London 1899 (pt 1); ref. 14695] Azuminé Creek, Opobo River, Niger Delta. Syntypes: BMNH 1896.5.5.49-50 (2). •Valid as Tilapia mariae Boulenger 1899 -- (Lee et al. 1980:772 [ref. 22416], Cadwallader & Backhouse 1983:179 [ref. 25473], Page & Burr 1991:335 [ref. 18983], Teugels & Thys van den Audenaerde 1991:492 [ref. 20943], Lévèque et al. 1991:146 [ref. 31367], Teugels & Thys van den Audenaerde in Lévêque et al. 1992:746 [ref. 21590], Arthington & Cadwallader in McDowall 1996:176 [ref. 22909], Fuller et al. 1999:448 [ref. 25838], Dankwa et al. 1999:47 [ref. 28023], Allen et al. 2002:371 [ref. 25930], Nelson et al. 2004:153 [ref. 27807], Bogutskaya & Naseka 2004:211 [ref. 28183], Allen et al. 2006:1438 [ref. 29081], Stiassny et al. 2007:359 [ref. 30045], Scharpf 2009:10 [ref. 30400], Dunz & Schliewen 2010:2 [ref. 30890], Page & Burr 2011:614 [ref. 31215], Page et al. 2013:158 [ref. 32708]). •Valid as Pelmatolapia mariae (Boulenger 1899) -- (Dunz & Schliewen 2013:73 [ref. 32672], Schelly & Stiassny in Carpenter & De Angelis 2016:2710 [ref. 34618], Kuiter 2018:102 [ref. 36369], Robins et al. 2018:393 [ref. 35886], Fermon et al. 2022:249 [ref. 39448] with question, Chan et al. 2023:147 [ref. 40365], Page et al. 2023:137 [ref. 40505]). Current status: Valid as Pelmatolapia mariae (Boulenger 1899). Cichlidae: Pseudocrenilabrinae. Distribution: Western-central Africa: Ivory Coast to Cameroon. Introduced elsewhere, including Nevada and Florida (U.S.A.), Hong Kong (China) and southern Australia. Habitat: freshwater, brackish.