2017
DOI: 10.1590/s1984-29612017017
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Histopathological changes induced by Hysterothylacium deardorffoverstreetorum larvae (Nematoda: Raphidascarididae) in Priacanthus arenatus Cuvier, 1829 (Actinopterygii)

Abstract: Priacanthus arenatus is a fish that occurs in the waters of the western Atlantic Ocean and has few records of parasitism. This study aimed to report histological changes caused by the larvae of Hysterothylacium deardorffoverstreetorum. Between July and December, 2013, 30 samples of P. arenatus were obtained from fish markets in the cities of Niterói and Rio de Janeiro, state of Rio de Janeiro, Brazil. Fragments of spleen, liver, stomach wall and mesentery tissues containing nodules and free parasites were extr… Show more

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Cited by 5 publications
(3 citation statements)
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References 10 publications
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“…Another species from the genus Hysterothylacium , H. deardorffoverstreetorum , was the only parasite detected in P. octolineatum . This species was first described parasitizing the flounder Paralichthys isosceles (Jordan, 1891) from Brazilian coast (Knoff et al, ), and it has also been found afterwards in many other Brazilian fishes (Di Azevedo & Iñiguez, ; Kuraiem et al, ; Silva, Knoff, Felizardo, Gomes, & Sao Clemente, ). Therefore, this also represents a first record for this nematode species in the eastern Atlantic.…”
Section: Discussionmentioning
confidence: 95%
“…Another species from the genus Hysterothylacium , H. deardorffoverstreetorum , was the only parasite detected in P. octolineatum . This species was first described parasitizing the flounder Paralichthys isosceles (Jordan, 1891) from Brazilian coast (Knoff et al, ), and it has also been found afterwards in many other Brazilian fishes (Di Azevedo & Iñiguez, ; Kuraiem et al, ; Silva, Knoff, Felizardo, Gomes, & Sao Clemente, ). Therefore, this also represents a first record for this nematode species in the eastern Atlantic.…”
Section: Discussionmentioning
confidence: 95%
“…Em outro estudo com larvas de H. deardorffoverstreetorum em Priacanthus arenatus (olho-de-cão) foram encontrados nódulos nos locais onde estavam os parasitos, além de infiltrado inflamatório granulomatoso, constituído por macrófagos e linfócitos, bem como uma porção central de material amorfo acelular. Os autores relatam que a presença de túneis no material amorfo acelular dos nódulos sugere que as larvas se localizam inicialmente no centro do granuloma e depois migram para a sua superfície (Kuraiem et al, 2017).…”
Section: Nematodaunclassified
“…Em outro estudo com larvas de H. deardorffoverstreetorum em Priacanthus arenatus (olho-de-cão) foram encontrados nódulos nos locais onde estavam os parasitos, além de infiltrado inflamatório granulomatoso, constituído por macrófagos e linfócitos, bem como uma porção central de material amorfo acelular. Os autores relatam que a presença de túneis no material amorfo acelular dos nódulos sugere que as larvas se localizam inicialmente no centro do granuloma e depois migram para a sua superfície (Kuraiem et al, 2017).…”
Section: Nematodaunclassified