brevis, Amblyopus Günther [A.] 1864:151 [Proceedings of the Zoological Society of London 1864 (pt 1) (art. 3) (for 22 Mar. 1864); ref. 13930] El Salvador, Panama and Peru. Holotype (unique): BMNH 1864.1.26.416. •Valid as Gobioides brevis (Günther 1864) -- (Hoese in Fischer et al. 1995:1134 [ref. 22829]). •Not in Gobioides -- (Murdy 1998:130 [ref. 23380]). •Valid as Akko brevis (Günther 1864) -- (Van Tassell & Baldwin 2004:6 [ref. 27546], Acero P. et al. 2005:138 [ref. 28151], Van Tassell 2011:167 [ref. 31732], Parenti 2021:259 [ref. 38603]). Current status: Valid as Akko brevis (Günther 1864). Gobiidae: Gobiinae. Distribution: Eastern Pacific: El Salvador, Panama, Peru. Habitat: marine.