Arthur T. Oliveira

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The objective of this study was to compare and correlate the ecology of neonates and young individuals of Potamotrygon wallacei, Potamotrygon motoro and Paratrygon aiereba with regard to their hematological profile and the physicochemical parameters of the water that they inhabit. Principal component analysis (PCA) on the complete blood count revealed total(More)
Intraerythrocytic parasites are frequently found in fish, including elasmobranchs. The Amazonian rivers present well defined annual hydrological cycles that results in drastic modifications of the environmental conditions with deep implications in the life cycle of the whole associated biota in those fluvial systems. The freshwater stingray Potamotrygon(More)
The physiological responses of juvenile tambaqui (Colossoma macropomum) fed commercial feed supplemented with different concentrations of camu camu (Myrciaria dubia) were evaluated. The design was completely randomized, with treatments arranged in a factorial design with three proportions of camu camu (15%, 30% and 45%) and a control treatment (100%(More)
aInstituto Federal de Educação, Ciência e Tecnologia do Amazonas – IFAM, Campus Manaus Centro – CMC, Avenida Sete de Setembro, 1975, CEP 69020-120, Manaus, AM, Brazil bInstituto Federal de Educação, Ciência e Tecnologia do Amazonas – IFAM, Campus Coari, Estrada Coari Itapéua, Km 2, s/n, Itamaraty, CEP 69460-000, Coari, AM, Brazil cInstituto Federal de(More)
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