First report of Dendrorchis retrobiloba Volonterio &amp;amp; Ponce de Le&amp;oacute;n, 2005 (Digenea, Gorgoderidae) in Astyanax aff. fasciatus (Cuvier, 1819) (Characiformes, Characidae) from southern Brazil

descriptionPublicationkeyboard_double_arrow_right Article 10 May 2019Publisher:Pensoft PublishersJournal:Check List, volume 15, pages 357-361 (eissn: 1809-127X,

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Authors: Gallas, Moisés; Utz, Laura Roberta Pinto;

doi: 10.15560/15.3.357

First report of Dendrorchis retrobiloba Volonterio & Ponce de León, 2005 (Digenea, Gorgoderidae) in Astyanax aff. fasciatus (Cuvier, 1819) (Characiformes, Characidae) from southern Brazil

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Abstract

Dendrorchis retrobiloba Volonterio & Ponce de León, 2005 was first described from the swim bladder of Astyanax fasciatus (Cuvier, 1819) from Montevideo, Uruguay. In this study, we necropsied specimens of A. aff. fasciatus collected from Lake Guaíba, in Rio Grande do Sul, Brazil, for the analysis of their helminths. The digeneans were identified as D. retrobiloba by their elongated body, oral sucker longer than ventral sucker, and 2 posterior lobes. This is the first report of D. retrobiloba in A. aff. fasciatus from Lake Guaíba and extends the known geographic distribution of this parasite.

Related Organizations

Pontifical Catholic University of Rio de Janeiro
Brazil
Universidade Unigranrio
Brazil

Keywords

trematode, Neotropical Regi, QH301-705.5, digenean, endoparasite, Biology (General), Neotropical Region, Characid

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