peruanus, Amblyopus (Gobioides) Steindachner [F.] 1880:94 [42], Pl. 2 (fig. 2) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 42; ref. 14403] Guayaquil, Ecuador. Holotype (unique): NMW 76499. On p. 42 of separate. Gobioides peruvianus of Clark 1936:391 [ref. 839] is an incorrect subsequent spelling. •Valid as Gobionellus peruanus (Steindachner 1880) -- (Ortega & Vari 1986:21 [ref. 9708]). •Valid as Gobioides peruanus (Steindachner 1880) -- (Ovchynnyk 1967:43 [ref. 37559], Allen & Robertson 1994:263 [ref. 22193], Bussing & López S. 1994:142 [ref. 23101], Hoese in Fischer et al. 1995:1134 [ref. 22829], Murdy 1998:128 [ref. 23380], Chirichigno F. & Vélez D. 1998:148 [ref. 24555], Kullander in Reis et al. 2003:660 [ref. 27061], Van Tassell 2011:144 [ref. 31732], Barriga Salazar 2014:119 [ref. 35745], Jiménez-Prado et al. 2015:363 [ref. 34894], Angulo 2021:8 [ref. 38913], Parenti 2021:319 [ref. 38603]). Current status: Valid as Gobioides peruanus (Steindachner 1880). Oxudercidae: Gobionellinae. Distribution: South America: Pacific coast from Mexico south to Ecuador (Mexico, Costa Rica, Panama, Peru and Ecuador). Habitat: freshwater, brackish.