Gobioides peruanus (Steindachner, 1880) .

Peruvian Eel-Goby, Smalleye Eel-Goby; Gobio-Anguila de Barro.

Distribution: Global: Eastern Pacific Ocean; from southern Mexico to northern Peru; entering estuaries and littoral lagoons and ascending river courses; Costa Rica: Ba (Pacific), 0– 6 m.a.s.l., Per, Dia.

Occurrence and conservation status: Nat, LC.

References: Robertson & Allen (2015: 2093; detailed description, including illustrations, information on distribution, with a map, and ecology).