2020
DOI: 10.1590/s1984-29612019094
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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 … Show more

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Cited by 9 publications
(6 citation statements)
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References 27 publications
(37 reference statements)
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“…are encysted in the musculature, mesentery and gastrointestinal tract of fish and piscivorous birds, not necessarily causing the death of the host [2]. In Brazil, this parasite is more described in traíras (Hoplias marabaricus) with an emphasis on its zoonotic potential when man becomes an accidental host by eating raw or undercooked fish [6]. Histopathology was able to confirm the order of the parasite with help in the etiology.…”
Section: Discussionmentioning
confidence: 99%
“…are encysted in the musculature, mesentery and gastrointestinal tract of fish and piscivorous birds, not necessarily causing the death of the host [2]. In Brazil, this parasite is more described in traíras (Hoplias marabaricus) with an emphasis on its zoonotic potential when man becomes an accidental host by eating raw or undercooked fish [6]. Histopathology was able to confirm the order of the parasite with help in the etiology.…”
Section: Discussionmentioning
confidence: 99%
“…Parasitic nematodes were removed and observed under an Olympus BX-41 (Tokyo, Japan) brightfield microscope, with identification as Eustrongylides sp. being based on the descriptions of Measures (1988), Moravec (1998) and Kuraiem et al (2020). All larvae used to prepare crude extract were collected and taxonomically identified by Kuraiem et al (2020).…”
Section: Methodsmentioning
confidence: 99%
“…being based on the descriptions of Measures (1988), Moravec (1998) and Kuraiem et al (2020). All larvae used to prepare crude extract were collected and taxonomically identified by Kuraiem et al (2020). Samples were washed repeatedly with 0.65% NaCl solution and then disintegrated in a Potter homogenizer (Thomas, Philadelphia, USA).…”
Section: Methodsmentioning
confidence: 99%
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“…Eustrongylides groups species that have piscivorous birds as definitive hosts, while their larvae infect oligochaetes, fish and occasionally amphibians and reptiles (5) . According to Barros et al (6) , humans can become accidental hosts after ingestion of raw or undercooked fish containing nematode larvae.…”
Section: Introductionmentioning
confidence: 99%