Awaous banana (Valenciennes, 1837) .

Atlantic River Goby; Chupapiedras, Lamearenas, Gobio, Gobio de Río del Atlántico.

Distribution: Global: North, Central and South America; from northern Florida, USA, southward through the Greater and Lesser Antilles to Trinidad and Tobago and Venezuela, Atlantic drainages; Costa Rica: SJ, SC, Sa, To, Pa, Ma, Si (Atlantic) and Be (Pacific), 0– 300 m.a.s.l., Per, Dia (Cat).

Occurrence and conservation status: Nat, LC.

References: Bussing (1966: 237, as Awaous tajasica (Lichtenstein 1822) —missidentification; listed, information on distribution), Bussing (1987: 233, as A. tajasica —missidentification; 1998: 396; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology), Angulo et al. (2013: 1007; listed, including taxonomic information and distributional data) and Robertson & Van Tassell (2019: 4479; detailed description, including illustrations, information on distribution, with a map, and ecology).

Remarks: This Atlantic species has been translocated to the Pacific (from the San Carlos River basin to the Bebedero River basin) as result of the transport of water for irrigation and aquaculture purposes carried out by private and governmental entities.