| 词条 | Eigenmannia |
| 释义 |
| name = Eigenmannia | image = Eigenmannia virescens 000.jpg | image_caption = Eigenmannia virescens | regnum = Animalia | phylum = Chordata | classis = Actinopterygii | ordo = Gymnotiformes | familia = Sternopygidae | genus = Eigenmannia | genus_authority = D. S. Jordan & Evermann, 1896 | type_species = Sternopygus humboldtii | type_species_authority = 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 {{convert|12-48.6|cm|in|abbr=on|0}}.[1] They are nocturnal, and feed on small invertebrates such as aquatic insect larvae and zooplanktonic crustaceans.[3] SpeciesThere are currently 20 recognized species in this genus:[1]
References1. ^1 2 {{FishBase genus | genus = Eigenmannia| month = May | year = 2017}} {{Taxonbar|from=Q3049353}}2. ^1 2 3 4 5 6 7 8 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 {{cite book | editor1=van der Sleen, P. | editor2=J.S. Albert | year=2017 | title=Field Guide to the Fishes of the Amazon, Orinoco, and Guianas | publisher=Princeton University Press | pages=343–344 | isbn=978-0691170749 }} 4. ^{{cite journal| author1=Carvalho, L.N. | author2=L. Fidelis | author3=R. Arruda | author4=A. Galuch | author5=K. Zuanon | year=2013 | title=Second floor, please: the fish fauna of floating litter banks in Amazonian streams and rivers | journal=Neotrop. Ichthyol. | volume=11 | issue=1 | pages=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}} 4 : Freshwater fish genera|Sternopygidae|Taxa named by David Starr Jordan|Taxa named by Barton Warren Evermann |
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