nigrescens, Centropomus Günther [A.] 1864:144 [Proceedings of the Zoological Society of London 1864 (pt 1) (art. 3) (for 22 Mar. 1864); ref. 13930] Chiapam [Puerto Chiapas, Chiapas, Mexico]. Holotype (unique): BMNH 1864.1.26.223. Objectively invalid; preoccupied by Centropomus nigrescens Risso 1810; a petition to the ICZN would be needed to retain this name and authorship. Needs investigation. •Valid as Centropomus nigrescens Günther 1864 -- (Fraser 1968:433 [ref. 21275], Villa 1982:161 [ref. 36708], Rivas 1986:594 [ref. 5210], Allen & Robertson 1994:105 [ref. 22193], Bussing & López S. 1994:88 [ref. 23101], Bussing in Fischer et al. 1995:992 [ref. 22829], De La Cruz Agüero et al. 1997:95 [ref. 24545], Grove & Lavenberg 1997:306 [ref. 24023], Chirichigno F. & Vélez D. 1998:303 [ref. 24555], Castro-Aguirre et al. 1999:253 [ref. 24550], Nelson et al. 2004:125 [ref. 27807], Love et al. 2005:108 [ref. 37547], Miller 2006:328 [ref. 28615], Matamoros et al. 2009:17 [ref. 31241], Angulo et al. 2013:999 [ref. 33194], McMahan et al. 2013:448 [ref. 32422], Barriga Salazar 2014:118 [ref. 35745], Jiménez-Prado et al. 2015:407 [ref. 34894], Romero-Berny et al. 2018:90 [ref. 35859], González-Murcia et al. 2019:301 [ref. 36544], Carvalho-Filho et al. 2019:89 [ref. 36975], Angulo et al. 2020:7 [ref. 37425], Love et al. 2021:144 [ref. 39279], Martínez-Brown et al. 2021:328 [ref. 38091], Angulo et al. 2023:40 [ref. 40676], Siccha-Ramirez et al. 2023:287 [ref. 40816], Valenzuela et al. 2023:95 [ref. 40815]). 1°Homonym. Current status: Valid as Centropomus nigrescens Günther 1864. Centropomidae. Distribution: Eastern Pacific: Pacific coast of Baja California Sur (Mexico) south to northern Peru, including southern Gulf of California (Mexico). Habitat: freshwater, brackish, marine.