Rhamdia guatemalensis (Günther, 1864). Pale Catfish, Guatemalan Catfish; Barbudo, Pinga de Padre, Chuchín, Chulín, Bagre, Filín, Julín, Barbudo de Guatemala o Guatemalteco. Distribution: Global: North, Central and South America; from southern Mexico to eastern Colombia, Atlantic and Pacific drainages; Costa Rica: LN, RF, SJ, SC, Sa, To, Pa, Ma, Si (Atlantic), Ni, Te, Be, Ba, Ta, Pi, Tr and Co (Pacific), 0– 680 m.a.s.l., Pri, Pot. Occurrence and conservation status: Nat, LC. References: Bussing (1966: 236, as Rhamdia heteracantha Regan 1907, Rhamdia nasuta Meek 1909 and Rhamdia wagneri (Günther 1868)—synonyms; listed, information on distribution), Bussing (1987: 107; 1998: 148; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology) and Angulo et al. (2013: 993; listed, including taxonomic information and distributional data).

Published as part of Angulo, Arturo, 2021, New records and range extensions to the Costa Rican freshwater fish fauna, with an updated checklist, pp. 1-72 in Zootaxa 5083 (1) on page 30, DOI: 10.11646/zootaxa.5083.1.1, http://zenodo.org/record/5800630