Eustrongylides sp. (Nematoda, Dioctophymatoidea) parasitizing Hoplias malabaricus (Actinopterygii: Erythrinidae) collected from the state of Rio de Janeiro, Brazil

Abstract Hoplias malabaricus (Characiformes, Erythrinidae), trahira, is a neotropical freshwater fish of economic and public health significance. A total of 45 specimens of H. malabaricus commercialized in the municipality of Magé, state of Rio de Janeiro, Brazil, were acquired between April 2016 and April 2018 to investigate the presence of nematode larvae. Twenty of the fish were found parasitized by 347 fourth-stage nematode larvae identified taxonomically as Eustrongylides sp. using morphological, morphometric and molecular data. The parasitic indices were: prevalence 44.44%, mean intensity 17.35, mean abundance 7.71, and range of infection 2-40. Infection sites were musculature, mesentery, abdominal cavity, and serosa of intestine, stomach and liver. This is the first report of Eustrongylides sp. larvae parasitizing H. malabaricus in the state of Rio de Janeiro.

Bibliographic Details

Main Authors:	Kuraiem,Bianca Porto, Knoff,Marcelo, Telleria,Erich Loza, Fonseca,Michelle Cristie Gonçalves da, Machado,Leandro dos Santos, Cunha,Nathalie Costa da, Nascimento,Elmiro Rosendo do, Fontenelle,Gabrielle, Gomes,Delir Corrêa, Clemente,Sérgio Carmona de São
Format:	Digital revista
Language:	English
Published:	Colégio Brasileiro de Parasitologia Veterinária 2020
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612020000100408
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