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Rev. bras. parasitol. vet ; 18(1): 34-38, Mar. 2009. tab
Article in Portuguese | LILACS | ID: lil-606762

ABSTRACT

Os ciclídeos, peixes economicamente importantes na região, foram coletados no médio rio Negro (Cichla orinocensis, C. monoculus e C. temensis) e na iIlha da Marchantaria (C. monoculus), no Amazonas e em três açudes do Piauí (C. kelberi). Para verificar a ocorrência de parasitas as brânquias, narinas e intestino foram removidos e observados em microscópio esteroscópio, a boca a olho nu. Os parasitas encontrados foram retirados e armazenados em álcool 70 por cento para posterior identificação. Dos 96 espécimes analisados provenientes do rio Negro 51 (52 por cento) estavam parasitadas; dos 34 da ilha da Marchantaria 16 (47 por cento) e dos 50 dos açudes do Piauí, apenas dois (4 por cento). Nos peixes coletados no Amazonas, as brânquias estavam parasitadas por Ergailus coatiarus, Argulus amazonicus, Acusicola tucunarense e a boca por Braga cichlae, enquanto que os peixes do Piauí não apresentaram parasitas branquiais, mas registrou-se a ocorrência do nematóide Procamallanus (Spirocamallanus) inopinatus, parasita intestinal.


The cichlids, economically important fish specie in the region, were collected along the Negro River (Cichla orinocensis, C. monoculus e C. temensis) and in the Marchantaria Island (C. monoculus) Amazon State and in three reservoirs localized in the Piauí State. In order to verify the occurrence of parasites, gills, nostrils and the intestine were removed and observed by stereomicroscope and the mouth by naked eyes. The observed parasites were isolated and conserved in 70 percent ethanol for posterior identification. From 96 specimens collected in Negro River, 51 specimens (52 percent) were parasitized. In the Marchantaria Island from 34 specimens collected, 16 (47 percent) showed the presence of parasites, and from 50 specimens collected in the reservoirs only 2 (4 percent) were parasitized. In fishes collected in the Amazon State, the grill was parasitized by Ergailus coatiarus, Argulus amazonicus, Acusicola tucunarense and the mouth by Braga cichlae, whereas the species collected in the Piauí State did not show the presence of parasites in the grill, but the occurrence of Procamallanus (Spirocamallanus) inopinatus an intestinal nematode parasite.


Subject(s)
Animals , Cichlids/parasitology
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