Sicydium salvini Ogilvie-Grant, 1884 .

Pacific Titi Goby; Chupapiedras, Tití, Gobio, Gobio de Río, Gobio de Río del Pacífico, Lamearenas.

Distribution: Global: Eastern Pacific Ocean; from El Salvador to Ecuador; entering estuaries and littoral lagoons and ascending river courses; Costa Rica: Ni, Te, Be, Ba, Ta, Pi, Tr and Co (Pacific), 0– 660 m.a.s.l., Per, Dia (Cat).

Occurrence and conservation status: Nat, NE.

References: Bussing (1966: 237, as Sicydium pittieri Regan 1907 —synonym; listed, information on distribution), Bussing (1987: 237; 1998: 405; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology) and Angulo et al. (2013: 1009; listed, including taxonomic information and distributional data).