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1Reproductive traits and population structure of Astyanax aeneus (Characiformes:Characidae) from a subtropical river in Mexico Reproductive traits and population structure of Astyanax aeneus (Characiformes:Characidae) from a subtropical river in Mexicoby Trujillo Jiménez, Patricia autor/a, Sedeño Díaz, Jacinto Elías autor/a, Camargo, Julio A. autor/aTexto bibliotecaECOSUR