Gymnotus maculosus Albert & Miller, 1995 .

Spotted Knifefish; Pez Cuchillo, Pez Cuchillo Manchado, Pez Navaja, Pez Machete, Anguila, Anguila Falsa, Madre de Barbudo.

Distribution: Global: North America; from southern Mexico to central Costa Rica, Atlantic and Pacific drainages; Costa Rica: LN, RF, SJ, SC, Sa, To (Atlantic), Ni, Te, Be and Pi (Pacific), 20–540 m.a.s.l., Pri, Pot.

Occurrence and conservation status: Nat, LC.

References: Bussing (1998: 132; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology) and Angulo et al. (2013: 994; listed, including taxonomic information and distributional data).