maculosus, Gymnotus Albert [J. S.] & Miller [R. R.] 1995:666, Figs. 1-2 [Proceedings of the Biological Society of Washington v. 108 (no. 4); ref. 21921] Diversion of channel from Rio María Linda, 14°04'N, 90°37'W, about 31 [not 20] kilometers southeast of Escuintla, Depto. Santa Rosa, Guatemala, elevation 20 meters. Holotype: UMMZ 230830. Paratypes: TU 24965 (36); UMMZ 190783 (3), 224128 (5), 230354 (20); USNM 134700 (49). Type catalog: Ferraris et al. 2017:[19] [ref. 35236]. •Valid as Gymnotus maculosus Albert & Miller 1995 -- (Bussing 1998:132 [ref. 24179], Albert 2001:124 [ref. 25614], Albert & Crampton 2001:261 [ref. 25031], Campos-da-Paz 2002:185 [ref. 26073], Crampton et al. 2003:2 [ref. 27064], Albert & Crampton 2003:3 [ref. 27077], Campos-da-Paz in Reis et al. 2003:485 [ref. 27061], Crampton & Albert 2003:2 [ref. 27433], Nelson et al. 2004:84 [ref. 27807], Maldonado-Ocampo & Albert 2004:2 [ref. 27978], Crampton et al. 2005:99 [ref. 28092], Miller 2006:175 [ref. 28615], Matamoros et al. 2009:11 [ref. 31241], Milhomem et al. 2012:804 [ref. 31815], Page et al. 2013:85 [ref. 32708], Ferraris et al. 2017:[19] [ref. 35236], Craig et al. 2019:100 [ref. 37060] in subgenus Tijax, Angulo 2021:11 [ref. 38913], Angulo et al. 2023:26 [ref. 40676], Barrientos et al. 2023:272 [ref. 41235], Page et al. 2023:77 [ref. 40505], Fricke et al. 2024:186 [ref. 41622]). Current status: Valid as Gymnotus maculosus Albert & Miller 1995. Gymnotidae: Gymnotinae. Distribution: Southern North America, Central America: Atlantic and Pacific Slope drainages: Chiapas (Mexico) south to Costa Rica. Habitat: freshwater.