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Parasitofauna de <em>Pimelodus maculatus</em> (Osteichthyes: Pimelodidae) do rio Itajaí-Açu em Blumenau, Estado de Santa Catarina, Brasil

2007; Editora da Universidade Estadual de Maringá (Eduem); Volume: 29; Issue: 1 Linguagem: Inglês

10.4025/actascibiolsci.v29i1.159

1807-863X

Juliane Araújo Greinert, Fernanda Bachmann, Pedro Wilson Bertelli, Hercílio Higino da Silva Filho, Natália Oliveira Totti de Lara, Luciana Ghiraldelli, Maurício Laterça Martins,

Fish biology, ecology, and behavior

Little is known on parasitic fauna of freshwater fish in the State of Santa Catarina. Specimens of "mandi", Pimelodus maculatus, were collected in the Itajaí-Açu River, Blumenau, state of Santa Catarina, from March through December, 2005, for parasitological analysis. From a total of 82 examined fish, all of them were parasitized for at least one parasite species. During the sampling, the pH, dissolved oxygen, electric conductivity and water temperature, as well as the environment temperature and weather conditions two days before each sample were measured. The highest values of prevalence and mean intensity of infection were observed for Monogenoidea (96.3%; 100.23), followed by Henneguya sp. (63.4%), Procamallanus (Spirocamallanus) pimelodus (51.2%; 3.02), Trichodina sp. (30.5%), Parspina argentinensis (24.4%; 3.30), Diplostomum sp. (17%; 1.00), Dichelyne pimelodi (8.5%; 1.00) and Goezeella agostinhoi (6.1%; 1.00). There was positive correlation between the total length of the hosts and the mean intensity of infection by Monogenoidea.