Eigenmannia

Eigenmannia
Eigenmannia virescens
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gymnotiformes
Family: Sternopygidae
Genus: Eigenmannia
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 12–48.6 cm (5–19 in).[1] They are nocturnal, and feed on small invertebrates such as aquatic insect larvae and zooplanktonic crustaceans.[3]

Species

There are currently 20 recognized species in this genus:[1]

  • Eigenmannia antonioi L. A. W. Peixoto, Dutra & Wosiacki, 2015[2]
  • Eigenmannia besouro L. A. W. Peixoto & Wosiacki, 2016[5]
  • Eigenmannia correntes Campos-da-Paz & Queiroz, 2017[6]
  • Eigenmannia desantanai L. A. W. Peixoto, Dutra & Wosiacki, 2015[2]
  • Eigenmannia goajira L. P. Schultz, 1949[7]
  • Eigenmannia guairaca L. A. W. Peixoto, Dutra & Wosiacki, 2015[2]
  • Eigenmannia humboldtii (Steindachner, 1878)
  • Eigenmannia limbata (Schreiner & A. Miranda-Ribeiro, 1903)
  • Eigenmannia loretana Waltz & Albert, 2018[8]
  • Eigenmannia macrops (Boulenger, 1897)
  • Eigenmannia matintapereira L. A. W. Peixoto, Dutra & Wosiacki, 2015 [2]
  • Eigenmannia microstoma (J. T. Reinhardt, 1852)
  • Eigenmannia muirapinima L. A. W. Peixoto, Dutra & Wosiacki, 2015[2]
  • Eigenmannia nigra Mago-Leccia, 1994
  • Eigenmannia pavulagem L. A. W. Peixoto, Dutra & Wosiacki, 2015[2]
  • Eigenmannia sayona Peixoto & Waltz, 2017[9]
  • Eigenmannia trilineata R. B. López & Castello, 1966
  • Eigenmannia vicentespelaea Triques, 1996
  • Eigenmannia virescens (Valenciennes, 1836)
  • Eigenmannia waiwai L. A. W. Peixoto, Dutra & Wosiacki, 2015[2]

References

  1. 1 2 3 Froese, Rainer, and Daniel Pauly, eds. (2017). Species of Eigenmannia in FishBase. May 2017 version.
  2. 1 2 3 4 5 6 7 8 9 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. 1 2 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. ↑ 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.
  6. ↑ 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.
  7. ↑ 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.
  8. ↑ 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
  9. ↑ Peixoto, L. & Waltz, B.T. (2017): A new species of the Eigenmannia trilineata species group from the río Orinoco basin, Venezuela (Gymnotiformes: Sternopygidae). Neotropical Ichthyology 15(1): 150-199. doi:10.1590/1982-0224-20150199
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