dumonti, Characidium Stabile [B. H. M.], dos Reis [R. B.], Oliveira [A. V. de] & da Graça [W. J.] 2025:3, Figs. 1-5 [Journal of Fish Biology Online first; ref. 42072] Córrego Carlos Giovanni, tributary of Rio São João, Rio Iguaçu basin, lower Rio Paraná, Foz do Iguaçu, Paraná State, Brazil, 25°36'47.3"S, 54°25'52.2"W. Holotype: NUP 25700. Paratypes: MCP, MZUEL, NUP. •Valid as Characidium dumonti Stabile, dos Reis, Oliveira & da Graça 2025. Current status: Valid as Characidium dumonti Stabile, dos Reis, Oliveira & da Graça 2025. Crenuchidae: Characidiinae. Distribution: South America: Rio São João drainage, Rio Iguaçu subbasin, lower Rio Paraná basin, Iguaçu National Park, Paraná State, southern Brazil. Habitat: freshwater.