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Acta Parasitologica

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Volume 60, Issue 2


First data on the parasites of Hoplias aimara (Characiformes): description of two new species of gill monogeneans (Dactylogyridae)

Juliana Moreira
  • Curso de Pos-Graduacao em Ciencias Veterinarias da Universidade Federal Rural do Rio de Janeiro, BR 465, Km 7, CEP 23890-000, Seropedica, Rio de Janeiro, Brazil
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Tomáš Scholz
  • Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Česke Budĕjovice, Czech Republic
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ José Luis Luque
  • Corresponding author
  • Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Caixa postal 74.540, CEP 23851-970, Seropedica, Rio de Janeiro, Brazil
  • Email
  • Other articles by this author:
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Published Online: 2015-03-25 | DOI: https://doi.org/10.1515/ap-2015-0036


The first data on the parasites of the giant trahira, Hoplias aimara (Characiformes: Erythrinidae), a little known, but popular fish for sport angling, are provided. In H. aimara from the Xingu River in Brazil, two new species of gill monogeneans of the family Dactylogyridae were found and their description is provided herein. Urocleidoides aimarai n. sp. differs from all 18 congeners by the presence of a large accessory piece of the male copulatory organ and based by morphology of anchors. Urocleidoides xinguensis n. sp. is distinguished by unique combination of copulatory complex and haptoral structures.

Keywords : Monogenea; Dactylogyridae; Urocleidoides; Erythrinidae; Hoplias aimara; Xingu River; Brazil


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About the article

Received: 2014-11-21

Revised: 2014-12-16

Accepted: 2014-12-18

Published Online: 2015-03-25

Published in Print: 2015-06-01

Citation Information: Acta Parasitologica, Volume 60, Issue 2, Pages 254–260, ISSN (Online) 1896-1851, ISSN (Print) 1230-2821, DOI: https://doi.org/10.1515/ap-2015-0036.

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