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Artículo

An integrative approach method reveals the presence of a previously unreported species of Imparfinis Eigenmann and Norris 1900 (Siluriformes: Heptapteridae) in Argentina

Aguilera, GastonIcon ; Teran, Guillermo EnriqueIcon ; Mirande, Juan MarcosIcon ; Alonso, FelipeIcon ; Chumacero, Guido Miranda; Cardoso, Yamila PaulaIcon ; Bogan, SergioIcon ; Faustino Fuster, Dario R.
Fecha de publicación: 11/2022
Editorial: Wiley Blackwell Publishing, Inc
Revista: Journal of Fish Biology
ISSN: 0022-1112
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Zoología, Ornitología, Entomología, Etología

Resumen

Specimens of Imparfinis were recently collected in north-western Argentina from the Bermejo River basin (Salta and Jujuy Provinces), del Valle River (Salta Province) and Horcones River (Santiago del Estero Province). An integrative approach to taxonomy, combining a detailed morphological study and molecular phylogenetic analyses, was applied to determine the species identity of these specimens. A principal components analysis of morphological data clustered the specimens from north-western Argentina and from the Amazon basin, indicating a close morphological resemblance. Also, a molecular phylogenetic analysis showed populations of I. guttatus from Argentina and Peru forming a clade. According to the conducted haplotype network analysis these populations are distinct in two mutations. Thus, in the absence of morphological or molecular data indicating the contrary, the combined method supports the identity of the specimens from the tributaries of the Paraguay River in Argentina as I. guttatus, whose type locality is in the upper Beni River basin in Bolivia. This contribution is also the first record for this species from Argentina. The disjunct distribution of I. guttatus provides new evidence reinforcing the hypothesis for the origin of the Paraguayan ichthyofauna. We also provide an approach to the phylogenetic relationships of Imparfinis in Heptapteridae.
Palabras clave: CATFISHES , FIRST RECORD , FRESHWATER FISH , NORTHWESTERN ARGENTINA , TAXONOMY
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/208567
DOI: http://dx.doi.org/10.1111/jfb.15197
URL: https://onlinelibrary.wiley.com/doi/10.1111/jfb.15197
Colecciones
Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Articulos(IBIGEO)
Articulos de INST.DE BIO Y GEOCIENCIAS DEL NOA
Articulos(UEL)
Articulos de UNIDAD EJECUTORA LILLO
Citación
Aguilera, Gaston; Teran, Guillermo Enrique; Mirande, Juan Marcos; Alonso, Felipe; Chumacero, Guido Miranda; et al.; An integrative approach method reveals the presence of a previously unreported species of Imparfinis Eigenmann and Norris 1900 (Siluriformes: Heptapteridae) in Argentina; Wiley Blackwell Publishing, Inc; Journal of Fish Biology; 101; 5; 11-2022; 1248-1261
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