2018
DOI: 10.1038/s41598-018-26550-x
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Abstract: Piranhas and pacus (Characiformes: Serrasalmidae) are a charismatic but understudied family of Neotropical fishes. Here, we analyse a DNA barcode dataset comprising 1,122 specimens, 69 species, 16 genera, 208 localities, and 34 major river drainages in order to make an inventory of diversity and to highlight taxa and biogeographic areas worthy of further sampling effort and conservation protection. Using four methods of species discovery—incorporating both tree and distance based techniques—we report between 7… Show more

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Cited by 52 publications
(41 citation statements)
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References 83 publications
(103 reference statements)
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“…Evolutionary relationships among species of piranhas have been the subject of several publications with morphological (Machado-Allison, 1983), cytological (Nakayama et al, 2002(Nakayama et al, , 2012, parasitological (Van Every and Kritsky, 1992) and molecular markers (Ortí et al, 1996(Ortí et al, , 2008Freeman et al, 2007;Hubert et al, 2007;Thompson et al, 2014;Machado et al, 2018;Mateussi et al, 2019). Morphological and molecular approaches agree with the hypothesis that the genera of piranhas Pygopristis, Pygocentrus, Pristobrycon and Serrasalmus together with Catoprion, represent a monophyletic unit of the family Serrasalmidae.…”
Section: Introductionmentioning
confidence: 72%
See 1 more Smart Citation
“…Evolutionary relationships among species of piranhas have been the subject of several publications with morphological (Machado-Allison, 1983), cytological (Nakayama et al, 2002(Nakayama et al, , 2012, parasitological (Van Every and Kritsky, 1992) and molecular markers (Ortí et al, 1996(Ortí et al, , 2008Freeman et al, 2007;Hubert et al, 2007;Thompson et al, 2014;Machado et al, 2018;Mateussi et al, 2019). Morphological and molecular approaches agree with the hypothesis that the genera of piranhas Pygopristis, Pygocentrus, Pristobrycon and Serrasalmus together with Catoprion, represent a monophyletic unit of the family Serrasalmidae.…”
Section: Introductionmentioning
confidence: 72%
“…The high values of genetic distance and the differentiation of S. maculatus haplogroups from Tocantins and Paraná-Paraguay River basins, associated with the non-monophyletic condition of S. maculatus observed in the dendrograms, may constitute evidence for more than one species within S. maculatus (Bignotto et al, 2019). Similarly, Machado et al (2018) did not recover the monophyletic condition of the species.…”
Section: Delimitation Of Piranha Speciesmentioning
confidence: 88%
“…() and Machado et al . () P. mesopotamicus is phylogenetically nested within P. brachypomus (Figure ). In spite of a lack of reciprocal monophyly of P. mesopotamicus and P. brachypomus , we consider P. mesopotamicus to be a valid species, albeit one that would benefit from additional taxonomic and phylogenetic analyses.…”
Section: Discussionmentioning
confidence: 99%
“…The difference between S. maculatus populations of the Upper Paraguay River and Upper Paraná River was observed both at cytogenetic (Cestari and Galetti Jr, 1992) and molecular levels (present study). Additionally, Machado et al (2018) refuted the monophyly of S. maculatus and reported that the population of S. maculatus from the upper Paraná River formed a distinct lineage from the population of the lower Paraná River. Similarly, in the present study, the two populations were genetically differentiated from each other; nevertheless, with relatively low values.…”
Section: Phylogenetic Analysesmentioning
confidence: 99%