Nematodes in Hoplerytrinus unitaeniatus, Hoplias malabaricus and Pygocentrus nattereri (pisces characiformes) in Marajó Island, Brazil

Benigno, Raimundo Nonato Moraes; Clemente, Sérgio Carmona de São; Matos, Edílson; Pinto, Roberto Magalhães; Gomes, Delir Corrêa; Knoff, Marcelo

doi:10.1590/s1984-29612012000200018

Cited by 17 publications

(18 citation statements)

References 30 publications

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“…There were similar levels of infection with larvae of Contracaecum sp. in H. malabaricus and H. unitaeniatus, but this parasitism was much less than what was described by Benigno et al (2012), for both of these hosts on Marajó island, state of Pará (Brazil). Procamallanus (S.) inopinatus, a nematode that parasitizes fish in both their larval and adult stages , was found in H. unitaeniatus and H. malabaricus in the present study, but the infection levels in H. unitaeniatus were higher than in H. malabaricus.…”

Section: Parametersmentioning

confidence: 53%

“…unitaeniatus (BENIGNO et al, 2012) in Brazil, the nematode fauna has been characterized by the presence of larvae of Contracaecum sp. and Eustrongylides sp., which are both important parasites from a public health point of view because of their zoonotic potential BENIGNO et al, 2012). Takemoto et al (2009) also recorded this nematode in H. malabaricus in the Paraná river basin.…”

Section: Parametersmentioning

confidence: 97%

“…In H. malabaricus, there have been reports of infections due to species of crustaceans, monogeneans, nematodes, digeneans, acanthocephalans, cestodes and hirudineans (CHAMBRIER et al, 1996;TAKEMOTO et al, 2009;ROCHA, 2011;ROSIM et al, 2011;BENIGNO et al, 2012;GRAÇA et al, 2013;BENIGNO et al, 2014). On the other hand, H. unitaeniatus has been parasitized by species of crustaceans (MALTA, 1984;LEAL et al, 2010), nematodes (MARTINS et al, 2005;BENIGNO et al, 2012) and acanthocephalans ).…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, H. unitaeniatus has been parasitized by species of crustaceans (MALTA, 1984;LEAL et al, 2010), nematodes (MARTINS et al, 2005;BENIGNO et al, 2012) and acanthocephalans ). However, the structure of the parasite communities and infracommunities of these two hosts has not been studied.…”

Section: Introductionmentioning

confidence: 99%

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Structure of the parasites communities in two Erythrinidae fish from Amazon river system (Brazil)

Alcântara

Tavares‐Dias

2015

Rev. Bras. Parasitol. Vet.

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This study compared the parasite communities of Hoplias malabaricus and Hoplerythrinus unitaeniatus from Amazon river system. Hoplias malabaricus were infected by Ichthyophthirius multifiliis, Piscinoodinium pillulare, Tetrahymena sp., Urocleidoides eremitus, Braga patagonica, metacercariae of Clinostomum marginatum, Procamallanus (Spirocamallanus) inopinatus, larvae of Contracaecum sp. and larvae of Nomimoscolex matogrossensis. Hoplerythrinus unitaeniatus were also infected by these same species of protozoans, nematodes, digeneans and cestodes, except for Tetrahymena sp. and B. patagonica, which were replaced by Argulus pestifer, Urocleidoides sp., Whittingtonocotyle caetei, Whittingtonocotyle jeju and Gorytocephalus spectabilis. For both hosts, I. multifiliis and P. pillulare were the predominant parasites. Most of the parasites presented an overdispersion. Parasite species richness, Brillouin diversity, evenness and Berger-Parker dominance were similar for the two hosts. The length and weight of H. malabaricus showed a positive correlation with the abundance of U. eremitus and Contracaecum sp., while the weight of H. unitaeniatus showed a positive correlation with the abundance of I. multifiliis. The diversity of ectoparasites seemed to be influenced by the behavior of these two hosts. This was shown by the similar parasite communities and was characterized by low species diversity, low evenness and low richness, and by a high prevalence of ectoparasites.Keywords: Amazon, diversity, Erythrinidae, overdispersion, parasites infracommunity. ResumoEste estudo comparou a comunidade parasitária de Hoplias malabaricus e Hoplerythrinus unitaeniatus do sistema do Rio Amazonas. Hoplias malabaricus estavam infectados por Ichthyophthirius multifiliis, Piscinoodinium pillulare, Tetrahymena sp., Urocleidoides eremitus, Braga patagonica, metacercarias de Clinostomum marginatum, Procamallanus (Spirocamallanus) inopinatus, larvas de Contracaecum sp. e larvas de Nomimoscolex matogrossensis. Hoplerythrinus unitaeniatus estavam também infectados por essas mesmas espécies de protozoários, nematoides, digeneas e cestóide, exceto Tetrahymena sp. e B. patagonica, que foram substituídos por Argulus pestifer, Urocleidoides sp., Whittingtonocotyle caetei, Whittingtonocotyle jeju e Gorytocephalus spectabilis. Para ambos os hospedeiros, a dominância foi de I. multifiliis e P. pillulare. Houve dispersão agregada para a maioria dos parasitos e similar riqueza de espécies de parasitos, diversidade de Brillouin, uniformidade e dominância de Berger-Parker, para ambos os hospedeiros. O comprimento e peso de H. malabaricus mostrou correlação positiva com a abundância de U. eremitus e Contracaecum sp., enquanto o peso de H. unitaeniatus mostrou correlação positiva com abundância de I. multifiliis. A diversidade de ectoparasitos parece influenciada pelo comportamento desses dois hospedeiros. Isso é mostrado pela similar comunidade de parasitos e caracterizada por uma baixa diversidade de espécies, baixa uniformidade e baixa riqueza de esp...

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Section: Parametersmentioning

confidence: 53%

Section: Parametersmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Structure of the parasites communities in two Erythrinidae fish from Amazon river system (Brazil)

Alcântara

Tavares‐Dias

2015

Rev. Bras. Parasitol. Vet.

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“…In fish hosts, those nematodes were first reported by Travassos et al (1928) Eiras & Rego (1988) found in Paratrygon sp., Pygocentrus nattereri and P. corruscans from Cuiabá River -MT; from Paraná river, Martins et al (2009) reports Eustrongylides larvae in Cichla piquiti, Plagioscion squamosissimus and Hoplias malabaricus. In Amazonia, Benigno et al (2012) described the occurrence of Eustrongylides larvae in the fish species: Hoplerythrinus unitaeniatus, H. malabaricus and Pygocentrus nattereri from Lake Arari (Marajó Archipelago, Pará) and Meneguetti et al (2013) report Eustrongylides sp. in Hoplias malabaricus from Rondônia.…”

Section: Eustrongylides Sp (Second-stage Larvae)mentioning

confidence: 99%

Morphological characterization of Eustrongylides sp. larvae (Nematoda, Dioctophymatoidea) parasite of Rhinella marina (Amphibia: Bufonidae) from Eastern Amazonia

Melo

Nascimento

et al. 2016

Rev. Bras. Parasitol. Vet.

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AbsctractEustrongylides spp. nematodes have birds as final hosts and uses other vertebrates as intermediate/paratenic host (fish, amphibians and reptiles) and have zoonotic potential. In amphibians, the larvae may be located in the subcutaneous tissues, liver and mesentery, between the muscle fibres, especially in the lower limbs. Rhinella marina, which is widely observed in Brazil, has exhibited complex diversity in its helminth fauna, reflecting the unique habitat of the Amazon biome. For the first time, this study describes the morphological aspects of third-stage larvae of Eustrongylides sp. in Rhinella marina from Santa Cruz do Ararí, Marajó Archipelago, Eastern Amazonia, using light and scanning electron microscopy.Keywords: Wild life parasites, helminth of amphibians, nematode larva, Eustrongylides. ResumoOs nematoides do gênero Eustrongylides tem as aves como seus hospedeiros definitivos e utilizam outros vertebrados como hospedeiros intermediários/paratênicos (peixes, anfíbios, répteis), além de apresentar potencial zoonótico. Em anfíbios, as larvas podem estar localizadas em tecidos subcutâneos, fígado, mesentério e entre fibras musculares de membros inferiores. Rhinella marina, anfíbio o qual é distribuído amplamente no Brasil, apresenta uma complexa diversidade em sua helmintofauna, refletindo o seu hábitat no bioma amazônico. O presente estudo descreve, pela primeira vez, os aspectos morfológicos das larvas de terceiro estágio de Eustrongylides sp. em R. marina de Santa Cruz do Arari, Arquipélago do Marajó, Amazônia Oriental Brasileira, utilizando-se microscopia de luz e microscopia eletrônica de varredura.Palavras-chave: Parasitas e animais silvestres, helmintos de anfíbios, larva de nematoide, Eustrongylides.

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Occurrence of Eustrongylides sp. (Nematoda: Dioctophymatidae) in Fish Species Collected in the Peruvian Amazonia and Its Implications for Public Health

et al. 2022

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Nematodes in Hoplerytrinus unitaeniatus, Hoplias malabaricus and Pygocentrus nattereri (pisces characiformes) in Marajó Island, Brazil

Abstract: The aim of this study was to evaluate the tegument, musculature and mesentery of 102 specimens of

Cited by 17 publications

References 30 publications

Structure of the parasites communities in two Erythrinidae fish from Amazon river system (Brazil)

Structure of the parasites communities in two Erythrinidae fish from Amazon river system (Brazil)

Morphological characterization of Eustrongylides sp. larvae (Nematoda, Dioctophymatoidea) parasite of Rhinella marina (Amphibia: Bufonidae) from Eastern Amazonia

Occurrence of Eustrongylides sp. (Nematoda: Dioctophymatidae) in Fish Species Collected in the Peruvian Amazonia and Its Implications for Public Health

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