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Brazilian Journal of Biology

versión impresa ISSN 1519-6984versión On-line ISSN 1678-4375

Resumen

LEAO, M. S. L. et al. Parasitism by Monogenoidea in Piaractus mesopotamicus (Characiformes, Characidae) cultivated in Paraná River (Brazil). Braz. J. Biol. [online]. 2017, vol.77, n.4, pp.787-793.  Epub 25-Mayo-2017. ISSN 1519-6984.  http://dx.doi.org/10.1590/1519-6984.00916.

This study investigated the occurrence, prevalence, mean abundance and mean intensity of monogenoidean parasites in Piaractus mesopotamicus farmed in cages in the reservoir of the Itaipu Hydroelectric Power Station, Paraná River, Brazil. The parasite distribution pattern and the correlation of prevalence and abundance with the total length of hosts were also investigated. Four monogenoidean species were collected: Anacanthorus penilabiatus, A. toledoensis, Mymarothecium ianwhitingtoni and M. viatorum. All the parasites collected in P. mesopotamicus showed the typical aggregated distribution pattern, and the abundance and the prevalence did not shown any correlation with the total length of hosts.

Palabras clave : Monogenoidea; Piaractus mesopotamicus; Paraná River; Anacanthorus; Mymarothecium.

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