Molecular phylogeny of the western South Atlantic Sciaenidae based on mitochondrial and nuclear data

Santos, Simoni; Gomes, Maria de Fátima; Ferreira, Anna Rafaella dos Santos; Sampaio, Iracilda; Schneider, Horacio

Molecular phylogeny of the western South Atlantic Sciaenidae based on mitochondrial and nuclear data

2013

Santos, Simoni | Gomes, Maria de Fátima | Ferreira, Anna Rafaella dos Santos | Sampaio, Iracilda | Schneider, Horacio

Fragments of mitochondrial (COI and rRNA 16S) and nuclear (Tmo-4C4) genes were sequenced to evaluate the phylogenetic relationships among 15 genera of the western South Atlantic Sciaenidae, two freshwater genera and the northwest Pacific Larimichthys crocea.Our results suggest a great diversification for the western Atlantic assemblage; the monophyly of Macrodon, Menticirrhus and Plagioscion genera; the distinctiveness of Bardiella, Stellifer and Ophioscion as belonging to the same clade; the possible existence of two distinct groups in Stellifer; the closer relationship between Lonchurus and Paralonchurus; the non-monophyly of Cynoscion; and the remarkable diversification of Larimus breviceps populations in the Brazilian coast. This is the most comprehensive study evaluating the phylogenetic relationships of the western Atlantic sciaenid and provides a guide for future studies within this family.

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