guairaca, Eigenmannia Peixoto [L. A. W.], Dutra [G. M.] & Wosiacki [W. B.] 2015:394, Figs. 9-10 [Zoological Journal of the Linnean Society v. 175; ref. 33968] Riacho Água do Ó, tributary of Rio Paranapanema, upper Rio Paraná basin, Município de Santa Fé, Paraná, Brazil, 23°01′08″S, 51°51′37.8″W. Holotype: MPEG 31307. Paratypes: MPEG, NUP. Type catalog: Ferraris et al. 2017:[31] [ref. 35236], Oliveira et al. 2022:10 [ref. 39255]. •Valid as Eigenmannia guairaca Peixoto, Dutra & Wosiacki 2015 -- (Campos-da-Paz & Queiroz 2017:75 [ref. 35026], Dutra et al. 2017:89 [ref. 35186], Peixoto & Waltz 2017:[7] [ref. 35224], Ferraris et al. 2017:[31] [ref. 35236], Waltz & Albert 2018:410 [ref. 35854], Dutra et al. 2018:138 [ref. 35941], Peixoto & Ohara 2019:26 [ref. 36930], Reis et al. 2020:464 [ref. 38364], Cardoso & Dutra 2023:17 [ref. 40651]). Current status: Valid as Eigenmannia guairaca Peixoto, Dutra & Wosiacki 2015. Sternopygidae: Eigenmanniinae. Distribution: South America: upper Paraná River basin (Brazil). Habitat: freshwater.