Eigenmannia
Eigenmannia is a genus of fish in the family Sternopygidae native to tropical and subtropical South America, and Panama. They are typically found in slow-flowing streams, along the edge of large rivers, in deep river channels and in floodplains, and the genus also includes E. vicentespelaea, the only cave-adapted knifefish. Eigenmannia are often found near submerged roots, aquatic plants and floating meadows.
Depending on the exact species, they have a maximum total length of. They are nocturnal, and feed on small invertebrates such as aquatic insect larvae and zooplanktonic crustaceans.Species
There are currently 23 recognized species in this genus:
- Eigenmannia antonioi L. A. W. Peixoto, Dutra & Wosiacki, 2015
- Eigenmannia besouro L. A. W. Peixoto & Wosiacki, 2016
- Eigenmannia correntes Campos-da-Paz & Queiroz, 2017
- Eigenmannia desantanai L. A. W. Peixoto, Dutra & Wosiacki, 2015
- Eigenmannia goajira L. P. Schultz, 1949
- Eigenmannia guairaca L. A. W. Peixoto, Dutra & Wosiacki, 2015
- Eigenmannia humboldtii
- Eigenmannia limbata
- Eigenmannia loretana Waltz & Albert, 2018
- Eigenmannia macrops
- Eigenmannia matintapereira L. A. W. Peixoto, Dutra & Wosiacki, 2015
- Eigenmannia meeki Dutra, de Santana & Wosiacki, 2017
- Eigenmannia microstoma
- Eigenmannia muirapinima L. A. W. Peixoto, Dutra & Wosiacki, 2015
- Eigenmannia nigra Mago-Leccia, 1994
- Eigenmannia oradens Dutra, Peixoto, de Santana & Wosiacki, 2018
- Eigenmannia pavulagem L. A. W. Peixoto, Dutra & Wosiacki, 2015
- Eigenmannia sayona Peixoto & Waltz, 2017
- Eigenmannia sirius Peixoto & Waltz, 2019
- Eigenmannia trilineata R. B. López & Castello, 1966
- Eigenmannia vicentespelaea Triques, 1996
- Eigenmannia virescens
- Eigenmannia waiwai L. A. W. Peixoto, Dutra & Wosiacki, 2015
