New species of Moenkhausia Eigenmann, 1903 (Characiformes: Characidae) with comments on the Moenkhausia oligolepis species complex

Autor(es)

Benine, Ricardo C. ^[1] ; Mariguela, Tatiane C. ^[1] ; Oliveira, Claudio ^[1]

Afiliação do(s) autor(es)

^[1] IBB UNESP, Dept Morfol, Lab Biol & Genet Peixes, BR-18618000 Botucatu, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Neotropical Ichthyology; v. 7, n. 2, p. 161-168, APR-JUN 2009.
• Citações Web of Science: 50

Resumo

A new species of Moenkhausia is described from tributaries of the rio Paraguay, Brazil. The new species is diagnosed from congeners by characters related to body coloration, the number of lateral line scales, the degree of poring of the lateral line, and number of scales rows above and below the lateral line. Molecular analyses using partial sequences of the mitochondrial gene Cytochrome Oxidase I from specimens of the new species and specimens belonging to morphologically similar species demonstrated that the new species is easily differentiated by their high genetic distance and by their position in the phylogenetic hypothesis obtained through the Maximum Parsimony methodology. The analyses of three samples of M. oligolepis also revealed that they have high genetic distances and belong to different monophyletic groups suggesting that this species corresponds to a species complex rather than a single species. (AU)

• Processo FAPESP: 06/00545-3 - Estudo das relações filogenéticas do gênero Bario (Eigenmann, 1917) (Characiformes: Characidae) através da combinação de dados morfológicos e moleculares
• Beneficiário: Ricardo Cardoso Benine
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado
• Processo FAPESP: 04/09219-6 - Relações filogenéticas em Characidae (Ostariophysi: Characiformes)
• Beneficiário: Ricardo Macedo Corrêa e Castro
• Modalidade de apoio: Auxílio à Pesquisa - Temático
• Processo FAPESP: 06/04551-8 - Análise das relações filogenéticas entre os gêneros de Cheirodontinae (Ostariophysi: Characiformes: Characidae) utilizando sequências de DNA mitocondrial e nuclear
• Beneficiário: Tatiane Casagrande Mariguela
• Modalidade de apoio: Bolsas no Brasil - Doutorado