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Memórias on line |
 | | Departamento de Biologia Animal e Vegetal, CCB, Universidade Estadual de Londrina, Caixa Postal 6001, 86051-990 Londrina, PR, Brasil *Departamento de Zoologia e Antropologia, Faculdade de Ciências, Universidade do Porto, Porto, Portugal |
 | | Data obtained between 1990 and 1995 provide, for the first time, ecological information of the parasitic nematode Travassosnema travassosi travassosi Costa, Moreira and Oliveira, 1991 from Acestrorhynchus lacustris (Characiformes: Acestrorhynchidae) collected in the Tibagi River, Sertanópolis, Paraná, Brazil. |
 | | Two subspecies of the only species T. travassosi Costa Moreira and Oliveira, 1991 are known to occur in South American freshwater fishes, Acestrorhynchus lacustris Reinhardt, 1874 (Characiformes: Acestrorhynchidae) being the only known host of these parasites (Moravec 1998, Vicente and Pinto 1999). |
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