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Title: Seasonality of nematode larvae in Iguanodectes spilurus (Characidae) an ornamental fish from northeastern Para, Brazil
Other Titles: Sazonalidade de larvas de nematóide em Iguanodectes spilurus (Characidae) um peixe ornamental no nordeste do Pará, Brasil
metadata.dc.creator: FUJIMOTO, Rodrigo Yudi
ANJOS, Ellem Cristina Silva dos
RAMOS, Fabrício Menezes
MARTINS, Maurício Laterça
Keywords: Characidae
Issue Date: Dec-2013
Publisher: Instituto Nacional de Pesquisas da Amazônia
Citation: FUJIMOTO, Rodrigo Yudi et al. Seasonality of nematode larvae in Iguanodectes spilurus (Characidae) an ornamental fish from northeastern Para, Brazil. Acta Amazonica, Manaus, v. 43, n. 4, p. 511-516, Dec. 2013. DOI: Disponível em: Acesso em:.
Abstract: The current study presents a parasitological survey of larval nematodes from freshwater ornamental fish Iguanodectes spilurus caught in the watercourse of the Caete River, in the northeast region of the State of Para, Brazil. A total of 176 specimens, 1.36±0.75 g weight and 5.53±0.98 cm total length, were analyzed. Nematode larvae were identified as Capillaria sp., Procamallanus sp. and Anisakidae, with prevalence of 70.45% and infection intensity ranging from 1.81 to 4.70 larvae. The highest prevalence 57.38% occurred in the liver, but no seasonality was observed, indicating high infection throughout the year. Seasonality was observed in fish parasitized in the stomach, intestine and caecum, with prevalence and mean intensity of 17.61% and 2.32 parasites, 12.5% and 1.81 parasites, 10.79% and 2.21 parasites, respectively. The highest degree of infection was observed in the rainy season, probably due to increased availability of intermediate hosts or food.
ISSN: 1809-4392
Appears in Collections:Artigos Científicos - FEPESCA/IECOS

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