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dc.contributor.author
Lima, Flávio C. T.  
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Caires, R. A.  
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Conde Saldaña, C. C.  
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Mirande, Juan Marcos  
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Carvalho, F. R.  
dc.date.available
2021-11-26T14:19:04Z  
dc.date.issued
2021-04  
dc.identifier.citation
Lima, Flávio C. T.; Caires, R. A.; Conde Saldaña, C. C.; Mirande, Juan Marcos; Carvalho, F. R.; A new miniature Pristella (actinopterygii: Characiformes: Characidae) with reversed sexual dimorphism from the rio tocantins and rio São Francisco basins, Brazil; National Research Council Canada-NRC Research Press; Canadian Journal of Zoology; 99; 5; 4-2021; 339-348  
dc.identifier.issn
0008-4301  
dc.identifier.uri
http://hdl.handle.net/11336/147493  
dc.description.abstract
A new species of the genus Pristella Eigenmann, 1908 (Pristella crinogi sp. nov.) is described from the middle rio Tocantins and middle rio São Francisco basins, Brazil. The new species can be diagnosed from its two congeners, Pristella ariporo Conde-Saldaña, Albornoz-Garzón, García-Melo, Villa-Navarro, Mirande, and Lima, 2019 and Pristella maxillaris (Ulrey, 1894), by a combination of color pattern and teeth morphology characters. A phylogenetic analysis of the genus recovered P. crinogi as the sister taxa of P. ariporo. Pristella crinogi, along with P. ariporo, are the first characiform fishes, and one of the first bony fishes, to be reported as presenting a reversed sexual dimorphism, with females presenting a more developed color pattern than males. Comments on theminiaturization of the species, as well as remarks on the biogeography of the genus Pristella, are presented.  
dc.description.abstract
Une nouvelle espèce de genre Pristella Eigenmann, 1908 (Pristella crinogi sp. nov.) est décrite des bassins versants du rio Tocantins moyen et du rio São Francisco moyen (Brésil). La nouvelle espèce se distingue de ses deux congénères, Pris- tella ariporo Conde-Saldaña, Albornoz-Garzón, García-Melo, Villa-Navarro, Mirande et Lima, 2019 et Pristella maxillaris (Ulrey, 1894), par une combinaison de caractères associés à la coloration et à la morphologie des dents. Une analyse phylogénétique du genre fait ressortir P. crinogi comme taxon-frère de P. ariporo. Pristella crinogi, ainsi que P. ariporo sont les premiers pois- sons characiformes et parmi les premiers poissons osseux pour lesquels un dimorphisme sexuel inversé est signalé, les femelles présentant une coloration plus développée que les mâles. Des commentaires sur la miniaturisation des espèces, ainsi que des remarques sur la biogéographie du genre Pristella sont présentés.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
National Research Council Canada-NRC Research Press  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
HYPHESSOBRYCON AXELRODI  
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HYPHESSOBRYCON MICROPTERUS  
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NEW SPECIES  
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PHYLOGENY  
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PRISTELLA ARIPORO  
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PRISTELLA CRINOGI  
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PRISTELLA MAXILLARIS  
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TAXONOMY  
dc.subject.classification
Zoología, Ornitología, Entomología, Etología  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
A new miniature Pristella (actinopterygii: Characiformes: Characidae) with reversed sexual dimorphism from the rio tocantins and rio São Francisco basins, Brazil  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2021-11-23T13:36:54Z  
dc.journal.volume
99  
dc.journal.number
5  
dc.journal.pagination
339-348  
dc.journal.pais
Canadá  
dc.journal.ciudad
Otawa  
dc.description.fil
Fil: Lima, Flávio C. T.. Universidade Estadual de Campinas; Brasil  
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Fil: Caires, R. A.. Universidade de Sao Paulo; Brasil  
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Fil: Conde Saldaña, C. C.. Universidade Estadual Paulista "júlio de Mesquita Filho"; Brasil  
dc.description.fil
Fil: Mirande, Juan Marcos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina  
dc.description.fil
Fil: Carvalho, F. R.. Universidade Federal do Mato Grosso do Sul; Brasil  
dc.journal.title
Canadian Journal of Zoology  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1139/cjz-2020-0241  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://cdnsciencepub.com/doi/10.1139/cjz-2020-0241