stenoleucus, Gymnotus Mago-Leccia [F.] 1994:94, Figs. 99, 101 [Electric fishes of the continental waters of America; ref. 21320] Caño Caripo of Río Casiquiare, near Río Orinoco, Amazonas, Venezuela. Holotype: MBUCV-V-6218. Paratypes: AMNH 59047 (2); ANSP 162127 (1); MBUCV-V-4644 (2), V-6240 (6), V-7550 (1), V-7866 (2), V-9417 (4), V-14028 (15), V-14157 (3), V-14711 (1), V-14715 (1), V-14724 (1), V-14747-48 (1, 7), V-14787 (12). Type catalog: Provenzano et al. 1998:10 [ref. 24196], Ferraris et al. 2017:[20] [ref. 35236]. •Valid as Gymnotus stenoleucus Mago-Leccia 1994 -- (Albert 2001:124 [ref. 25614], Albert & Crampton 2001:243 [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], Maldonado-Ocampo & Albert 2004:2 [ref. 27978], Crampton et al. 2005:99 [ref. 28092], Milhomem et al. 2012:804 [ref. 31815], Ferraris et al. 2017:[20] [ref. 35236], DoNascimiento et al. 2017:65 [ref. 35633], Craig et al. 2019:96 [ref. 37060] in subgenus Tigrinus). Current status: Valid as Gymnotus stenoleucus Mago-Leccia 1994. Gymnotidae: Gymnotinae. Distribution: Amazon and Orinoco river basins: Colombia and Venezuela. Habitat: freshwater.