n = 30
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Eigenmannia antonioi | Peixoto, Dutra & Wosiacki, 2015 | Eigenmannia antonioi | Sternopygidae | |
| Eigenmannia besouro | Peixoto & Wosiacki, 2016 | Eigenmannia besouro | Sternopygidae | |
| Eigenmannia camposi | Herrera-Collazos, Galindo-Cuervo, Maldonado-Ocampo & Rincón-Sandoval, 2020 | Genus Species | New species | |
| Eigenmannia conirostris | Eigenmann & Allen, 1942 | Distocyclus conirostris | Sternopygidae | |
| Eigenmannia correntes | Campos-da Paz & Queiroz, 2017 | Genus Species | New species | |
| Eigenmannia desantanai | Peixoto, Dutra & Wosiacki, 2015 | Eigenmannia desantanai | Sternopygidae | |
| Eigenmannia dutrai | Peixoto, Pastana & Ballen, 2021 | Genus Species | New species | |
| Eigenmannia goajira | Schultz, 1949 | Eigenmannia goajira | Sternopygidae | |
| Eigenmannia guairaca | Peixoto, Dutra & Wosiacki, 2015 | Eigenmannia guairaca | Sternopygidae | |
| Eigenmannia humboldtii | (Steindachner, 1878) | Eigenmannia humboldtii | Sternopygidae | |
| Eigenmannia limbata | (Schreiner & Miranda Ribeiro, 1903) | Eigenmannia limbata | Sternopygidae | |
| Eigenmannia lineata | (Müller & Troschel, 1849) | Eigenmannia virescens | Sternopygidae | Glass knifefish |
| Eigenmannia loretana | Waltz & Albert, 2018 | Genus Species | New species | |
| Eigenmannia macrops | (Boulenger, 1897) | Eigenmannia macrops | Sternopygidae | |
| Eigenmannia magoi | Herrera-Collazos, Galindo-Cuervo, Maldonado-Ocampo & Rincón-Sandoval, 2020 | Genus Species | New species | |
| Eigenmannia matintapereira | Peixoto, Dutra & Wosiacki, 2015 | Eigenmannia matintapereira | Sternopygidae | |
| Eigenmannia meeki | Dutra, de Santana & Wosiacki, 2017 | Eigenmannia meeki | Sternopygidae | |
| Eigenmannia microstoma | (Reinhardt, 1852) | Eigenmannia microstomus | Sternopygidae | |
| Eigenmannia microstomus | (Reinhardt, 1852) | Eigenmannia microstomus | Sternopygidae | |
| Eigenmannia muirapinima | Peixoto, Dutra & Wosiacki, 2015 | Eigenmannia muirapinima | Sternopygidae | |
| Eigenmannia nigra | Mago-Leccia, 1994 | Eigenmannia nigra | Sternopygidae | |
| Eigenmannia oradens | Dutra, Peixoto, de Santana & Wosiacki, 2018 | Genus Species | New species | |
| Eigenmannia pavulagem | Peixoto, Dutra & Wosiacki, 2015 | Eigenmannia pavulagem | Sternopygidae | |
| Eigenmannia sayona | Peixoto & Waltz, 2017 | Eigenmannia sayona | Sternopygidae | |
| Eigenmannia sirius | Peixoto & Ohara, 2019 | Genus Species | New species | |
| Eigenmannia trilineata | López & Castello, 1966 | Eigenmannia trilineata | Sternopygidae | |
| Eigenmannia vicentespelaea | Triques, 1996 | Eigenmannia vicentespelaea | Sternopygidae | |
| Eigenmannia virescens | (Valenciennes, 1836) | Eigenmannia virescens | Sternopygidae | Glass knifefish |
| Eigenmannia waiwai | Peixoto, Dutra & Wosiacki, 2015 | Eigenmannia waiwai | Sternopygidae | |
| Eigenmannia zenuensis | Herrera-Collazos, Galindo-Cuervo, Maldonado-Ocampo & Rincón-Sandoval, 2020 | Genus Species | New species |