Eleotris picta Kner, 1863 .

Smallscaled Spotted Sleeper; Guavina, Vieja, Pez Perro, Dormilón, Dormilón Manchado.

Distribution: Global: Eastern Pacific Ocean; from the mouth of the Gulf of California, Mexico, to northern Peru, as well as Cocos and the Galapagos Islands; entering estuaries and littoral lagoons and ascending river courses; Costa Rica: IC, Ni, Te, Be, Ba, Ta, Pi, Tr and Co (Pacific), 0– 100 m.a.s.l., Per, Dia.

Occurrence and conservation status: Nat, LC.

References: Bussing (1966: 237; listed, information on distribution), Bussing (1987: 245; 1998: 416; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology), Angulo et al. (2013: 1006; listed, including taxonomic information and distributional data) and Robertson & Allen (2015: 1975; detailed description, including illustrations, information on distribution, with a map, and ecology).