guatemalensis, Pimelodus Günther [A.] 1864:122 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Huamuchal, Guatemala. Lectotype: BMNH 1864.1.26.210. Paralectotypes: BMNH 1864.1.26.211 (1). Type catalog: Ferraris 2007:200 [ref. 29155]. Lectotype selected by Silfvergrip 1996:Table 1, p. 18 [ref. 22347]. •Synonym of Rhamdia quelen (Quoy & Gaimard 1824) -- (Silfvergrip 1996:96 [ref. 22347], Bockmann & Guazzelli in Reis et al. 2003:424 [ref. 27061], Bichuette & Trajano 2005:594 [ref. 28555], Ferraris 2007:200 [ref. 29155]). •Valid as Rhamdia guatemalensis (Günther 1864) -- (Greenfield et al. 1982:563 [ref. 8980], Villa 1982:121 [ref. 36708], Bussing 1987:107 [ref. 22927], Burgess 1989:278 [ref. 12860], Gamboa Pérez 1992:308 [ref. 38704], Espinosa Pérez et al. 1993:28 [ref. 22290], Greenfield & Thomerson 1997:86 [ref. 22947], Weber & Wilkens 1998:998 [ref. 23617], Bussing 1998:148 [ref. 24179], Romero & Paulson 2001:26 [ref. 26040], Wilkens 2001:253 [ref. 26397], Perdices et al. 2002:174 [ref. 26367], Weber et al. 2003:273 [ref. 27394], Nelson et al. 2004:83 [ref. 27807], Miller 2006:172 [ref. 28615], Scharpf 2006:20 [ref. 30386], Matamoros et al. 2009:10 [ref. 31241], McMahan et al. 2013:444 [ref. 32422], Page et al. 2013:83 [ref. 32708], Angulo et al. 2013:993 [ref. 33194], Hernández et al. 2015:576 [ref. 34223], Ribolli et al. 2017:[5] [ref. 35238], DoNascimiento et al. 2017:92 [ref. 35633], González-Murcia et al. 2019:291 [ref. 36544], Angulo et al. 2020:8 [ref. 37425], Barraza et al. 2022:209 [ref. 40101], Angulo et al. 2023:27 [ref. 40676], Guenavad-González et al. 2023:68 [ref. 40500], Page et al. 2023:77 [ref. 40505], Escobar Camacho et al. 2024:8 [ref. 40892]). Current status: Valid as Rhamdia guatemalensis (Günther 1864). Heptapteridae: Rhamdiinae. Distribution: Southern North America, Central America: Atlantic slope of Mexico south to Colombia, including cave systems; Pacific slope of Costa Rica. Introduced in Ecuador. Habitat: freshwater.