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Detritivores of the South American fish family Prochilodontidae (Teleostei: Ostariophysi: Characiformes) : a phylogenetic and revisionary study
TLDR
Synapomorphies uncovered during this study provide additional evidence that (1) the clade formed by the Prochilodontidae plus Curimatidae is the sister group to theClade that consists of the Anostomidae plus Chilodentidae, and (2) supports the hypothesis of the monophyly of the ProChilodons.
Stream fish, water and habitat quality in a pasture dominated basin, southeastern Brazil.
TLDR
A fish survey in 35 stream reaches with physicochemical and habitat assessment in the São José dos Dourados system, southeastern Brazil, showed strong correlation with habitat descriptors, and some species also showed optimal distribution related to the degree of physical habitat conservation.
Testing the ecomorphological hypothesis in a headwater riffles fish assemblage of the rio São Francisco, southeastern Brazil
TLDR
The unequivocal case of Morphological convergence found between the nektobenthic Characidiinae and Parodontidae is a clear example of the integration between phylogenetic information and ecomorphology, and provides a way to objectively identify cases of morphological and adaptive convergence and divergence.
Lophiobrycon weitzmani, a new genus and species of glandulocaudine fish (Characiformes: Characidae) from the rio Grande drainage, upper rio Paraná system, southeastern Brazil
A new genus and species of glandulocaudine, Lophiobrycon weitzmani, is described based on specimens collected in headwater tributary streams of the rio Grande, upper rio Parana system, State of Minas
New Species of Astyanax (Ostariophysi: Characiformes: Characidae) from the Upper Rio Paraná System, Brazil
TLDR
Astyanax bockmanni differs from A. eigenmanniorum and all congeners in the combination of morphometric, meristic, and pigmentary features and details of oral dentition, and it is proposed that the species is a member of a clade within the Characidae that does not include Astyanax.
Astyanax biotae, a new species of stream fish from the Rio Paranapanema basin, upper Rio Paraná system, southeastern Brazil (Ostariophysi: Characiformes: Characidae)
Astyanax biotae, a new species of characid, is described from a first-order stream in the Rio Paranapanema basin, upper Rio Parana system, in the interior of the state of Parana, southeastern Brazil.
Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae).
TLDR
The results support previous hypotheses of the alignment of Gymnocorymbus close to the subfamily Stethaprioninae and also support the sister relationship between G. ternetzi and G. thayeri.
Phylogenetic Analysis and Redescription of the Genus Henochilus (Characiformes: Characidae)
TLDR
The phylogenetic analysis indicates that Henochilus is most closely related to the clade consisting of Brycon and likely Chilobrycon.
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