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| Eigenmannia | |
|---|---|
| |
| Eigenmannia virescens | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gymnotiformes |
| Family: | Sternopygidae |
| Genus: | Eigenmannia D. S. Jordan & Evermann, 1896 |
| Type species | |
| Sternopygus humboldtii Steindachner, 1878
| |
Eigenmannia is a genus of fish in the family Sternopygidae (glass knifefishes) native to tropical and subtropical South America (south to the Río de la Plata Basin), and Panama.[1][2] 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.[2][3] Eigenmannia are often found near submerged roots, aquatic plants and floating meadows.[3][4]
Depending on the exact species, they have a maximum total length of 14.3–49.6 cm (6–20 in).[1] They are nocturnal, and feed on small invertebrates such as aquatic insect larvae and zooplanktonic crustaceans.[3]
- ^ a b Froese, Rainer and Pauly, Daniel, eds. (2019). Species of Eigenmannia in FishBase. August 2019 version.
- ^ a b Peixoto, L.A.W., Dutra, G.M. & Wosiacki, W.B. (2015). The Electric Glass Knifefishes of the Eigenmannia trilineata species-group (Gymnotiformes: Sternopygidae): monophyly and description of seven new species. Zoological Journal of the Linnean Society, 175 (2): 384–414.
- ^ a b c van der Sleen, P.; J.S. Albert, eds. (2017). Field Guide to the Fishes of the Amazon, Orinoco, and Guianas. Princeton University Press. pp. 343–344. ISBN 978-0691170749.
- ^ Carvalho, L.N.; L. Fidelis; R. Arruda; A. Galuch; K. Zuanon (2013). "Second floor, please: the fish fauna of floating litter banks in Amazonian streams and rivers". Neotrop. Ichthyol. 11 (1): 78–91. doi:10.1590/S1679-62252013000100010.
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