2019
DOI: 10.1371/journal.pone.0220287
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A new species of Eigenmannia Jordan & Evermann (Gymnotiformes: Sternopygidae) from rio Tapajós, Brazil, with discussion on its species group and the myology within Eigenmanniinae

Abstract: A new species of Eigenmannia is described from the rio Mutum, tributary of upper rio Juruena, rio Tapajós basin, Comodoro, Mato Grosso, Brazil. The new species is distinguished from all congeners by coloration pattern, position of the mouth, number of scales rows above lateral line, number of premaxillary and dentary teeth, number of precaudal vertebrae, orbital diameter, mouth width, relative depth of posterodorsal expansion on infraorbitals 1+2 and relative size of coronomeckelian bone… Show more

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Cited by 7 publications
(29 citation statements)
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References 38 publications
(80 reference statements)
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“…The new species can be further distinguished from E. sirius by the morphology of the anterior displaced haemal spine, which is slightly cylindrical ( vs . blade‐shaped; Peixoto & Ohara, 2019: Figure 7). It differs from E. waiwai by the counts of precaudal vertebrae, 14–16 ( vs .…”
Section: Resultsmentioning
confidence: 99%
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“…The new species can be further distinguished from E. sirius by the morphology of the anterior displaced haemal spine, which is slightly cylindrical ( vs . blade‐shaped; Peixoto & Ohara, 2019: Figure 7). It differs from E. waiwai by the counts of precaudal vertebrae, 14–16 ( vs .…”
Section: Resultsmentioning
confidence: 99%
“…Data analysis was carried out on both morphometric and meristic data to test statistical differences between the new species and Eigenmannia sirius Peixoto & Ohara, 2019, a taxon with which the new species shows strong resemblance. Non‐parametric ANCOVA was implemented following Kloke and McKean (2014) using the package npsm (Kloke & McKean, 2019) for differences in pectoral‐fin length between both species.…”
Section: Methodsmentioning
confidence: 99%
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