Gymnotus maculosus Albert & Miller 1995 (Fig. 7D). Spotted Knifefish; Pez Cuchillo, Pez Cuchillo Manchado, Pez Navaja, Pez Machete, Anguila, Anguila Falsa, Madre de Barbudo, Guabina

Vouchers: UCR 0457-011 (2) and 0460-006 (4). Distribution: North and Central America; from southern Mexico to central Costa Rica, Atlantic and Pacific drainages; (Nicaragua) Pr, GM, KP, Es, BF, IM, To, Sa, SJ, RF and LN (Atlantic); 2–210 masl; Pri, Pot. Occurrence and conservation status: Nat; LC (2019), population trend unknown.

Literature: Bussing (1998: 132; brief description, including illustrations and an identification key, and information on distribution, with a map, and ecology) and Angulo (2021: 29; listed, including information on distribution).