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Eigenmannia

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Genus of fishes

Eigenmannia
Eigenmannia virescens
Scientific classification Edit this 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. 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 14.3–49.6 cm (6–20 in). They are nocturnal, and feed on small invertebrates such as aquatic insect larvae and zooplanktonic crustaceans.

Species

These are the currently recognized species in this genus:

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Eigenmannia". FishBase. August 2019 version.
  2. ^ 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.
  3. ^ 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.
  4. 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.
  5. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Eigenmannia". Catalog of Fishes. California Academy of Sciences. Retrieved 31 August 2019.
  6. Peixoto, L.A.W. & Wosiacki, W.B. (2016): Eigenmannia besouro, a new species of the Eigenmannia trilineata species-group (Gymnotiformes: Sternopygidae) from the rio São Francisco basin, northeastern Brazil. Zootaxa, 4126 (2): 262–270.
  7. ^ Dutra, Guilherme Moreira; Ramos, Telton Pedro Anselmo; Menezes, Naércio Aquino (2022). "Description of three new species of Eigenmannia (Gymnotiformes: Sternopygidae) from the rio Mearim and rio Parnaíba basins, Northeastern Brazil". Neotropical Ichthyology. 20 (1): e210117. doi:10.1590/1982-0224-2021-0117.
  8. Campos-Da-Paz, R. & Queiroz, I.R. (2017): A new species of Eigenmannia Jordan and Evermann (Gymnotiformes: Sternopygidae) from the upper rio Paraguai basin. Zootaxa, 4216 (1): 73-84.
  9. Peixoto, L. A. W., Pastana, M. N. L., & Ballen, G. A. (2020). New species of glass knifefish genus Eigenmannia (Gymnotiformes: Sternopygidae) with comments on the morphology and function of the enlarged cephalic lateral‐line canals of Sternopygidae. Journal of Fish Biology. doi:10.1111/jfb.14564
  10. Dutra, G.M., Santana, C.D.d., Vari, R.P. & Wosiacki, W.B. (2014): The South American Electric Glass Knifefish Genus Distocyclus (Gymnotiformes: Sternopygidae): Redefinition and Revision. Copeia, 2014 (2): 345-354.
  11. Waltz, B.T. & Albert, J.T. (2018): New Species of Glass Knifefish Eigenmannia loretana (Gymnotiformes: Sternopygidae) from the Western Amazon Zootaxa 4399(3): 399–411. doi:10.11646/zootaxa.4399.3.9
  12. Dutra, G.M.; C.D. de Santana; W.B. Wosiacki (2017). "A new species of the glass electric knifefish genus Eigenmannia Jordan and Evermann (Teleostei: Gymnotiformes: Sternopygidae) from Río Tuíra basin, Panama". Copeia. 105 (1): 85–91. doi:10.1643/CI-16-439. S2CID 90571735.
  13. Dutra, G.M.; L.A.W. Peixoto; C.D. de Santana; W.B. Wosiacki (2018). "A new species of Eigenmannia Jordan & Evermann (Teleostei: Gymnotiformes: Sternopygidae) from Río Ventuari, Venezuela". Zootaxa. 4422 (1): 132–140. doi:10.11646/zootaxa.4422.1.8. PMID 30313516.
  14. Peixoto, Luiz A. W.; Waltz, Brandon T. (2017). "A new species of the Eigenmannia trilineata (Gymnotiformes: Sternopygidae) species group from the río Orinoco basin, Venezuela". Neotropical Ichthyology. 15 (1): e150199. doi:10.1590/1982-0224-20150199.
  15. Peixoto, L.A.W.; W.M. Ohara (2019). "A new species of Eigenmannia Jordan & Evermann (Gymnotiformes: Sternopygidae) from Rio Tapajós, Brazil, with discussion on its species group and the myology within Eigenmanniinae". PLOS ONE. 14 (8): e0220287. Bibcode:2019PLoSO..1420287P. doi:10.1371/journal.pone.0220287. PMC 6693845. PMID 31412067.
Taxon identifiers
Eigenmannia
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