Nematode larvae of hygienic importance infecting Chaetodipterus faber (Broussonet, 1782) and Trachinotus carolinus (Linnaeus, 1766) (Pisces: Teleostei) in Brazil
2014
[Larvas de nematoides de importância higienica-sanitaria em Chaetodipterus faber
(Broussonet, 1782) e Trachinotus carolinus (Linnaeus, 1766) (Pisces: Teleostei)
no Brasil.] Revista Brasileira de Medicina Veterinaria, 36(2): 121-124, 2014. Laboratorio
de Helmintos Parasitos de Vertebrados, Instituto Oswaldo Cruz, Fiocruz,
Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, 21045-900, Brasil. E-mail:
knoffm@ioc.fiocruz.br
From March 2010 to Aprill 2011, thirty-five specimens of the Atlantic spadefish
Chaetodipterus faber, and thirty specimens of the Florida pompano Trachinotus
carolinus, were purchased from a fish market of municipality of Niteroi,
Rio de Janeiro State, Brazil. The fishes were measured, fileted and further had
their organs investigated for helminths. In the both species were parasitized by
Hysterothylacium sp. third-stage larvae nematodes with prevalence of 17.1%
and 40%, mean intensity of 2 and 9.6, range of infection of 1-2 and 1-28 and
mean abundance of 0.23 and 3.83,respectively. The sites of infection to C. faber
were piloric cecum, liver, and abdominal cavity, and to T. carolinus, piloric cecum,
liver, seroses of liver and ovarian, and abdominal cavity. Hysterothylacium
sp. larvae were reported in C. faber for the first time, and is the first report in
T. carolinus by these nematodes for Brazil, presenting considerations on the
sanitary aspects due to the importance in the fish hygiene and public health
program.
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