darwini, Gymnotus Campos-da-Paz [R.] & de Santana [C. D.] 2019:146, Figs. 1-5 [Copeia v. 107 (no. 1); ref. 36608] Igarapé (stream) Jacoca (or Tabatinga), rio Botafogo basin, at Refúgio Ecológico Charles Darwin (RECD), Igarassu, Pernambuco, Brazil, approximately 07°48'37"S, 34°57'25"W. Holotype: MNRJ 51333. Paratypes: MNRJ, MZUSP. Plus additional non-type material. •Valid as Gymnotus darwini Campos-da-Paz & de Santana 2019. Current status: Valid as Gymnotus darwini Campos-da-Paz & de Santana 2019. Gymnotidae: Gymnotinae. Distribution: Coastal rivers, Pernambuco State, northeastern Brazil. Habitat: freshwater.