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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

A fauna de parasitas de Serrasalmus rhombeus (Linneaus, 1776) (Characiformes: Characidae) de lagos de várzea da Amazônia central

Lima, Mariel Acácio de 22 June 2010 (has links)
Submitted by Dominick Jesus (dominickdejesus@hotmail.com) on 2016-01-26T19:58:31Z No. of bitstreams: 2 Dissertação_Mariel Acácio de Lima.pdf: 759009 bytes, checksum: 66124494cccad3765391f056a598baa3 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) / Made available in DSpace on 2016-01-26T19:58:31Z (GMT). No. of bitstreams: 2 Dissertação_Mariel Acácio de Lima.pdf: 759009 bytes, checksum: 66124494cccad3765391f056a598baa3 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Previous issue date: 2010-06-22 / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / The parasites fauna of 45 Serrasalmus rhombeus colleted in dry season from six floodplain lakes of the Solimões River, in December of 2007, were studied. Seventeen were males and 28 females and 44 (97.7%) of fish were parasitized. A total of 2017 parasites were collected, 17 species of Monogenoidea: Amphithecium diclonophallum; A. falcatum; A. muricatum; Anacanthorus amazonicus; A. jegui; A. scapanus; A. sciponophalus; A. serrasalmi; Anacanthorus sp.1, Anacanthorus sp.2, Anacanthorus sp.3, Anacanthorus sp.4, Anacanthorus sp.5. Notothecium cyphophalum; Notothecium sp.1; Notozothecium aegidatum; N. teinodendrum. Two species of Digenea, Clinostomum sp. e metacercariae. One species of Nematoda, Procamallanus (S) inopinatus. Two species of Copepoda, Ergasilus yumaricus e Myracetyma piraya and one of Branchiura, Argulus chicomendesi. The parasites were most abundant. Procamallanus (S) inopinatus, Ergasilus yumaricus and A. chicomendesi are new records of occurrence in S. rhombeus. Thirty-five S. rhombeus were infected with cysts of metacercariae of digenetic in the skin. Fish that had the highest numbers of parasites were the Campina and Ananá lakes. The prevalence of fish from all lakes studied was 100%, except in Lake Maraca which was 90%. The number of parasites in the males of S. rhombeus was higher than in females. Larger fish had higher number of parasites. / Foi estudada a fauna de parasitos de 45 Serrasalmus rhombeus coletados na estação de seca em seis lagos de várzea do rio Solimões, em dezembro de 2007. Dezessete eram machos e 28 fêmeas e 44 (97,7%) dos peixes estavam parasitados. Um total de 2.017 parasitos foi coletado, 17 espécies de Monogenoidea: Amphithecium diclonophallum; A. falcatum; A. muricatum; Anacanthorus amazonicus; A. jegui; A. scapanus; A. sciponophalus; A. serrasalmi; Anacanthorus sp.1; Anacanthorus sp.2; Anacanthorus sp.3; Anacanthorus sp.4; Anacanthorus sp.5; Notothecium cyphophalum; Notothecium sp.1; Notozothecium aegidatum; N. teinodendrum. Duas de Digenea Clinostomum sp. e larvas de digenea encistadas. Uma espécie de Nematoda Procamallanus (S) inopinatus. Duas espécies de Copepoda Ergasilus yumaricus e Myracetyma piraya. Uma de Branchiura, Argulus chicomendesi. Os ectoparasitos foram mais abundantes. Procamallanus (S) inopinatus, Ergasilus yumaricus. e A. chicomendesi são novos registros de ocorrência em S. rhombeus. Trinta e cinco S. rhombeus estavam parasitados com larvas de digenéticos encistadas na pele. Os peixes que apresentaram os índices parasitários mais elevados foram dos lagos Campina e Anana. Os machos de S. rhombeus estavam mais parasitados que as fêmeas. Os peixes maiores apresentaram maiores quantidades de parasitos.

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