Gymnotus cylindricus La Monte 1935

Angulo, Arturo, Betts, Joel T., González-Alemán, Néstor J., Castañeda, Edgar, Berghe, Eric Van Den, Elías, Diego J., Mcmahan, Caleb D. & Matamoros, Wilfredo A., 2023, Continental fishes of Nicaragua: diversity, distribution and conservation status; with an annotated and illustrated checklist of species and an identification guide to families, Zootaxa 5376 (1), pp. 1-89 : 25

Gymnotus cylindricus La Monte 1935 . Round Knifefish; Pez Cuchillo, Pez Cuchillo Redondo, Pez Navaja, Pez Machete, Anguila, Anguila Falsa, Madre de Barbudo, Guabina

Vouchers: UCR 3115-004 (1); other collections: ANSP 113929 (1), CAS 61383 (3), 61389 (2), CUMV 64678 (1), KU 18690 (1), 18702 (1), UMMZ 199622 (1) and 199633 (1). Distribution: Central America; from central Guatemala to eastern Costa Rica, Atlantic and Pacific drainages; ( Nicaragua) Co, UI, WK, Pr, GM, KP, Es, BF, IM, To, Sa, SJ, RF, LN (Atlantic) and Ch (Pacific); 2–319 masl; Pri, Pot. Occurrence and conservation status: Nat; LC (2020), population trend unknown. Literature: Astorqui (1975: 155, as Gymnotus carapo Linnaeus 1758 — misidentification; brief description, including illustrations and an identification key, and information on distribution and ecology), Villa (1982: 108; detailed description, including illustrations and an identification key, and information on distribution and ecology), Carr & Giovannoli (1994: 101, as G. carapo —misidentification; brief description, including information on distribution and ecology), Bussing (1998: 130; brief description, including illustrations and an identification key, and information on distribution, with a map, and ecology), Gros & Miguel-Frithz (2010: 217; brief description, including illustrations, and information on distribution and ecology, plus indigenous science and ethnoichthyology), van den Berghe (2015: 39; listed, including an illustration and information on distribution and ecology) and Angulo (2021: 28; listed, including information on distribution).