The Electric Glass Knifefishes of the Eigenmannia trilineata species‐group (Gymnotiformes: Sternopygidae): monophyly and description of seven new species. (October 2015)

• Record Type: Journal Article
• Authors: Peixoto, Luiz Antônio Wanderley; Dutra, Guilherme Moreira; Wosiacki, Wolmar Benjamin
• Is Part Of: Zoological journal of the Linnean Society. Volume 175:Number 2(2015:Oct.)
• Page Start: 384
• Page End: 414
• Publication Date: 2015-10
• Subjects: Zoology -- Periodicals; 590
• DOI: 10.1111/zoj.12274
• Languages: English
• ISSNs: 0024-4082

Abstract

<abstract abstract-type="main"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <italic>Eigenmannia trilineata</italic> López and Castello, 1966 (Sternopygidae) was described from the Río de La Plata basin and subsequently cited from most South American river basins. Questions about the limits of this species raise the possibility of the occurrence of undescribed species misidentified as <italic>E. trilineata</italic>. Herein we propose the <italic>Eigenmannia trilineata</italic> species group for species that share the presence of the superior medial stripe on the flank. This group comprises: <italic><bold>E</bold></italic><bold><italic>igenmannia antonioi</italic> sp. nov.</bold>, from the Rio Anapu, Rio Amazonas basin; <italic><bold>E</bold></italic><bold><italic>igenmannia desantanai</italic> sp. nov.</bold>, from the Rio Cuiabá, Rio Paraguay basin; <italic><bold>E</bold></italic><bold><italic>igenmannia guairaca</italic> sp. nov.</bold>, from the Riacho Água do Ó, upper Rio Paraná basin; <italic><bold>E</bold></italic><bold><italic>igenmannia matintapereira</italic> sp. nov.</bold>, from the Rio Uneiuxi and Rio Urubaxi, Rio Negro basin; <italic>Eigenmannia microstoma</italic> (Reinhardt, 1852), from the Rio São Francisco basin; <italic><bold>E</bold></italic><bold><italic>igenmannia muirapinima</italic> sp. nov.</bold>, from small tributaries of the Rio Amazonas; <italic><bold>E</bold></italic><bold><italic>igenmannia pavulagem</italic> sp. nov.</bold>, from the tributaries of Rio Capim, Rio Guamá basin; <italic>E. trilineata</italic>, from the lower Rio Paraná basin and Río de La Plata basin; <italic>Eigenmannia vicentespelaea</italic> Triques, 1996, from São Vicente I and II caves, Rio Tocantins basin; and <italic><bold>E</bold></italic><bold><italic>igenmannia waiwai</italic> sp. nov.</bold>, from the Rio Trombetas basin. These species can be distinguished from each other by unique sets of meristics, morphometrics, osteological and colour pattern features. © 2015 The Linnean Society of London</p> </abstract>