Molecular analysis reveals hidden diversity in <Emphasis Type="Italic">Zungaro</Emphasis> (Siluriformes: Pimelodidade): a genus of giant South American catfish |
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Authors: | Antonio A Pires Jorge L Ramirez Jr" target="_blank">Pedro M GalettiJr Waldo P Troy Patricia D Freitas |
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Institution: | 1.Laboratório de Biodiversidade Molecular e Conserva??o, Departamento de Genética e Evolu??o,Universidade Federal de S?o Carlos,S?o Carlos,Brazil;2.Departamento de Ciências Biológicas,Universidade do Estado do Mato Grosso,Tangará da Serra,Brazil |
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Abstract: | The genus Zungaro contains some of the largest catfish in South America. Two valid species are currently recognized: Zungaro jahu, inhabiting the Paraná and Paraguay basins, and Zungaro zungaro, occurring in the Amazonas and Orinoco basins. Analysing Zungaro specimens from the Amazonas, Orinoco, Paraguay and Paraná basins, based on the sequencing of COI and D-loop, we found at least three MOTUs, indicating the existence of hidden diversity within this fish group. Considering the ecological and economic values of this fish, our results are surely welcomed for its conservation, disclosing new findings on its diversity and pointing out the necessity for a detailed taxonomic revision. |
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