macracanthum, Pristipoma Günther [A.] 1864:146 [Proceedings of the Zoological Society of London 1864 (pt 1) (art. 3) (for 22 Mar. 1864); ref. 13930] Chiapam [Chiapas, Mexico]. Syntypes: BMNH 1864.1.26.268-269 (2). •Valid as Pomadasys macracanthus (Günther 1864) -- (Herrera 1896:53 [ref. 39336] with question, Bussing 1993:245 [ref. 19564], Allen & Robertson 1994:153 [ref. 22193], McKay & Schneider in Fischer et al. 1995:1170 [ref. 22829], Castro-Aguirre et al. 1999:341 [ref. 24550], Nelson et al. 2004:145 [ref. 27807], Love et al. 2005:125 [ref. 37547], Tavera 2012:6 [ref. 32469], Angulo et al. 2013:1002 [ref. 33194], McMahan et al. 2013:450 [ref. 32422], Page et al. 2013:150 [ref. 32708], Barriga Salazar 2014:118 [ref. 35745], Jiménez-Prado et al. 2015:394 [ref. 34894], Galván-Villa et al. 2016:147 [ref. 34871], Romero-Berny et al. 2018:91 [ref. 35859], González-Murcia et al. 2019:304 [ref. 36544]). •Valid as Rhencus macracanthus (Günther 1864) -- (Tavera et al. 2018:214 [ref. 35783], Parenti 2019:172 [ref. 37021], Angulo 2021:10 [ref. 38913], Love et al. 2021:163 [ref. 39279], Grove et al. 2022:20 [ref. 41326], Angulo et al. 2023:74 [ref. 40676], Page et al. 2023:207 [ref. 40505], Siccha-Ramirez et al. 2023:356 [ref. 40816] as cf. macracanthus). Current status: Valid as Rhencus macracanthus (Günther 1864). Haemulidae: Haemulinae. Distribution: Eastern Pacific: Pacific coast of Baja California Sur (Mexico) south to Ecuador, including Gulf of California (Mexico) and Galapagos Islands (Ecuador). IUCN (2010): Least Concern. Habitat: freshwater, brackish, marine.