Gobiesox cephalus Lacepède, 1800 .

Caribbean Riverine Clingfish, Smooth Clingfish; Chupapiedras, Chupapiedra Liso, Chupapiedra de Río del Caribe, Guarasapo.

Distribution: Global: Western Atlantic Ocean; from northern Guatemala and Cuba to eastern Venezuela; entering estuaries and littoral lagoons and ascending river courses; Costa Rica: SC, Sa, To, Pa, Ma and Si (Atlantic), 25–1120 m.a.s.l., Per, Dia.

Occurrence and conservation status: Nat, DD.

References: Bussing (1966: 237, as Gobiesox nudus (Linnaeus 1758) —missidentification; listed, information on distribution), Bussing (1998: 247, as G. nudus — missidentification; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology), Angulo et al. (2013: 994, as G. nudus —missidentification; listed, including taxonomic information and distributional data), Valerio-Vargas & Mora-Pineda (2015: 48, as Arcos nudus —missidentification; updated vertical distribution) and Robertson & Van Tassell (2019: 4779; detailed description, including illustrations, information on distribution, with a map, and ecology).