Nematode larvae infecting Priacanthus arenatus Cuvier, 1829 (Pisces: Teleostei) in Brazil



Document title: Nematode larvae infecting Priacanthus arenatus Cuvier, 1829 (Pisces: Teleostei) in Brazil
Journal: Anais da Academia Brasileira de Ciencias
Database: PERIÓDICA
System number: 000395422
ISSN: 0001-3765
Authors: 1
2
1
2
1
Institutions: 1Universidade Federal Fluminense, Faculdade de Medicina Veterinaria, Niteroi, Rio de Janeiro. Brasil
2Instituto Oswaldo Cruz, Laboratorio de Helmintos Parasitos de Vertebrados, Rio de Janeiro. Brasil
Year:
Season: Jun
Volumen: 88
Number: 2
Pages: 857-864
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, aplicado
English abstract From July to December, 2013, thirty Priacanthus arenatus specimens commercialized in the cities of Niterói and Rio de Janeiro, State of Rio de Janeiro, were acquired. The fish were necropsied and filleted to investigate the presence of nematode larvae. Twenty fish (66.7%) out of the total were parasitized by nematode larvae. A total of 2024 larvae were collected; among them, 30 third-instar larvae of Anisakis sp. showed prevalence (P) = 20%, mean abundance (MA) = 1, and the mean intensity (MI) = 5, and infection sites (IS) = caecum, stomach, liver, and mesentery; and 1,994 third-instar larvae (1,757 encysted and 237 free) of Hysterothylacium deardorffoverstreetorum with P = 66.7%, MA = 66.5, and MI = 99.7, and IS = spleen, caecum, stomach, liver, mesentery, and abdominal muscle. This is the first study to report H. deardorffoverstreetorum and Anisakis sp. larvae parasitizing P. arenatus
Portuguese abstract Entre julho e dezembro de 2013, foram adquiridos 30 espécimes de Priacanthus arenatus comercializados nos municípios de Niterói e Rio de Janeiro, no estado do Rio de Janeiro. Os peixes foram necropsiados e filetados para investigação da presença de larvas de nematoides. Do total, 20 (66,7%) peixes estavam parasitados com larvas de nematoides. Foram coletadas no total 2024 larvas, das quais, 30 larvas de terceiro estágio de Anisakis sp. com prevalência (P) = 20%, abundância média (AM) = 1 e intensidade média (IM) = 5, tendo como sítios de in fecção (SI) ceco, estômago, fígado e mesentério; e 1994 larvas de terceiro estágio (1757 encistadas e 237 livres) de Hysterothylacium deardorffoverstreetorum com P = 66,7%, AM = 66,5 e IM = 99,7e SI = baço, ceco, estô mago, fígado, mesentério e musculatura abdominal. Este é o primeiro registro de larvas de H. deardorffoverstree torum e Anisakis sp. parasitando P. arenatus
Disciplines: Biología
Keyword: Helmintos,
Parasitología,
Peces,
Peces marinos,
Parásitos de peces,
Larvas,
Anisakis,
Hysterothylacium deardorffoverstreetorum,
Priacanthus arenatus,
Brasil
Keyword: Biology,
Fish,
Helminths,
Parasitology,
Marine fish,
Larvae,
Anisakis,
Hysterothylacium deardorffoverstreetorum,
Priacanthus arenatus,
Fish parasites,
Brazil
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