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Anais da Academia Brasileira de Ciências

Print version ISSN 0001-3765On-line version ISSN 1678-2690

Abstract

CARDOSO, LUCAS et al. Rocinela signata (Isopoda: Aegidae) parasitizing the gills of the spotted goatfish Pseudupeneus maculatus (Actinopterygii: Mullidae) in Northeastern Brazil. An. Acad. Bras. Ciênc. [online]. 2017, vol.89, n.3, suppl., pp.2075-2080.  Epub July 20, 2017. ISSN 0001-3765.  https://doi.org/10.1590/0001-3765201720150677.

Parasitic isopods of fishes usually show wide distribution and low host specificity. This study investigated the occurrence of gill parasites in 120 specimens of spotted goatfish Pseudupeneus maculatus, marine fish of great economic importance for fishery community. The fish were captured monthly in the Coast of Pernambuco State, Northeast Brazil, between October 2012 and September 2013. Eleven isopods were found and identified as Rocinela signata. We observed lower infections in the gills of P. maculatus (prevalence 8.3%, mean intensity 1.6±0.3 and mean abundance 0.1±0.3) when compared to other studies of different host fishes from geographically close locations. This parasite has been reported from a wide variety of fish species, not only in Brazil, but also in the eastern Atlantic and the Pacific oceans. This is the first report of R. signata in spotted goatfish.

Keywords : coast of Pernambuco; crustacean; marine fish; parasitism.

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