Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)

Detalhes bibliográficos
Autor(a) principal: Oliveira,Marcos Sidney Brito
Data de Publicação: 2016
Outros Autores: Tavares-Dias,Marcos
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista Brasileira de Parasitologia Veterinária (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612016000200151
Resumo: Abstract The aim of this study was to investigate the component community of parasite metazoans of Piaractus brachypomus in the lower Amazon River, northern Brazil. From 34 necropsied fish, 27,384 metazoan parasites were collected, such as Anacanthorus spathulatus, Mymarothecium viatorum and Notozothecium janauachensis (Monogenoidea); Spectatus spectatus and Contracaecum sp (Nematoda); Clinostomum marginatum and Dadaytrema oxycephala (Digenea); and Argulus carteri and Ergasilus sp. (Crustacea). The dominant species was S. spectatus followed by monogenoidean species, and there was aggregated dispersion of parasites, except for D. oxycephala and Contracaecum sp., which presented random dispersion. Positive correlation among the abundance of the three monogenoideans species were found, thus indicating that there was no competition between the species of these parasites on the gills of hosts. The abundances of some parasite species showed positive correlations with the size of the hosts, but the condition factor of the fish was not affected by the parasitism levels. It showed that this host had a metazoan community characterized by high species richness of metazoans, low evenness and high diversity of parasites, with prevalence of endoparasites, including larval stages. This was the first record of C. marginatum, A. carteri, Ergasilus sp. and Contracaecum sp. for P. brachypomus.
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spelling Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)Amazondiversityendoparasiteshelminthsfreshwater fishAbstract The aim of this study was to investigate the component community of parasite metazoans of Piaractus brachypomus in the lower Amazon River, northern Brazil. From 34 necropsied fish, 27,384 metazoan parasites were collected, such as Anacanthorus spathulatus, Mymarothecium viatorum and Notozothecium janauachensis (Monogenoidea); Spectatus spectatus and Contracaecum sp (Nematoda); Clinostomum marginatum and Dadaytrema oxycephala (Digenea); and Argulus carteri and Ergasilus sp. (Crustacea). The dominant species was S. spectatus followed by monogenoidean species, and there was aggregated dispersion of parasites, except for D. oxycephala and Contracaecum sp., which presented random dispersion. Positive correlation among the abundance of the three monogenoideans species were found, thus indicating that there was no competition between the species of these parasites on the gills of hosts. The abundances of some parasite species showed positive correlations with the size of the hosts, but the condition factor of the fish was not affected by the parasitism levels. It showed that this host had a metazoan community characterized by high species richness of metazoans, low evenness and high diversity of parasites, with prevalence of endoparasites, including larval stages. This was the first record of C. marginatum, A. carteri, Ergasilus sp. and Contracaecum sp. for P. brachypomus.Colégio Brasileiro de Parasitologia Veterinária2016-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612016000200151Revista Brasileira de Parasitologia Veterinária v.25 n.2 2016reponame:Revista Brasileira de Parasitologia Veterinária (Online)instname:Colégio Brasileiro de Parasitologia Veterinária (CBPV)instacron:CBPV10.1590/S1984-29612016022info:eu-repo/semantics/openAccessOliveira,Marcos Sidney BritoTavares-Dias,Marcoseng2016-06-15T00:00:00Zoai:scielo:S1984-29612016000200151Revistahttp://www.scielo.br/scielo.php?script=sci_serial&lng=pt&pid=1984-2961https://old.scielo.br/oai/scielo-oai.php||zacariascbpv@fcav.unesp.br1984-29610103-846Xopendoar:2016-06-15T00:00Revista Brasileira de Parasitologia Veterinária (Online) - Colégio Brasileiro de Parasitologia Veterinária (CBPV)false
dc.title.none.fl_str_mv Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
title Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
spellingShingle Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
Oliveira,Marcos Sidney Brito
Amazon
diversity
endoparasites
helminths
freshwater fish
title_short Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
title_full Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
title_fullStr Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
title_full_unstemmed Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
title_sort Communities of parasite metazoans in Piaractus brachypomus (Pisces, Serrasalmidae) in the lower Amazon River (Brazil)
author Oliveira,Marcos Sidney Brito
author_facet Oliveira,Marcos Sidney Brito
Tavares-Dias,Marcos
author_role author
author2 Tavares-Dias,Marcos
author2_role author
dc.contributor.author.fl_str_mv Oliveira,Marcos Sidney Brito
Tavares-Dias,Marcos
dc.subject.por.fl_str_mv Amazon
diversity
endoparasites
helminths
freshwater fish
topic Amazon
diversity
endoparasites
helminths
freshwater fish
description Abstract The aim of this study was to investigate the component community of parasite metazoans of Piaractus brachypomus in the lower Amazon River, northern Brazil. From 34 necropsied fish, 27,384 metazoan parasites were collected, such as Anacanthorus spathulatus, Mymarothecium viatorum and Notozothecium janauachensis (Monogenoidea); Spectatus spectatus and Contracaecum sp (Nematoda); Clinostomum marginatum and Dadaytrema oxycephala (Digenea); and Argulus carteri and Ergasilus sp. (Crustacea). The dominant species was S. spectatus followed by monogenoidean species, and there was aggregated dispersion of parasites, except for D. oxycephala and Contracaecum sp., which presented random dispersion. Positive correlation among the abundance of the three monogenoideans species were found, thus indicating that there was no competition between the species of these parasites on the gills of hosts. The abundances of some parasite species showed positive correlations with the size of the hosts, but the condition factor of the fish was not affected by the parasitism levels. It showed that this host had a metazoan community characterized by high species richness of metazoans, low evenness and high diversity of parasites, with prevalence of endoparasites, including larval stages. This was the first record of C. marginatum, A. carteri, Ergasilus sp. and Contracaecum sp. for P. brachypomus.
publishDate 2016
dc.date.none.fl_str_mv 2016-06-01
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dc.language.iso.fl_str_mv eng
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dc.publisher.none.fl_str_mv Colégio Brasileiro de Parasitologia Veterinária
publisher.none.fl_str_mv Colégio Brasileiro de Parasitologia Veterinária
dc.source.none.fl_str_mv Revista Brasileira de Parasitologia Veterinária v.25 n.2 2016
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reponame_str Revista Brasileira de Parasitologia Veterinária (Online)
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repository.name.fl_str_mv Revista Brasileira de Parasitologia Veterinária (Online) - Colégio Brasileiro de Parasitologia Veterinária (CBPV)
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