Mercury bioaccumulation in fishes of a paddy field in Southern of Brazil
Aim: The aim of present study was to evaluate the Hg concentration in two species of fish (Astyanax sp and Corydoras paleatus) and its potential use as a biomonitor, in order to know if the use of pesticides and fertilizers in paddy can enhance the Hg ...
Vinicius Tavares Kütter +5 more
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Fish, Corumbataí and Jacaré-Pepira river basins, São Paulo State, Brazil [PDF]
Fish were studied in two river basins (Corumbataí and Jacaré-Pepira) subjected to strong human pressure, in the interior of the State of São Paulo, southeastern Brazil.
Braga, F. M. S., Gomiero, L. M.
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Astyanax cocibolca, a new characid (Pisces: Ostariophysi) from Lake Nicaragua, Central America
Astyanax cocibolca, a small filter-feeding species is a new characid species endemic to Lake Nicaragua. It is distinguished from the syntopic Astyanax aeneus by its high gill raker count, slender body, upturned snout, long maxillary bones, conical outer ...
William A Bussing
doaj
Plasticity in the diet of Astyanax taeniatus in a coastal stream from south-east Brazil
In this work we aimed to characterise the diet of Astyanax taeniatus (Jenyns 1842) (Characiformes, Characidae) along the Mato Grosso stream and we hypothesised that the diet of this species would vary according to spatial, seasonal and ontogenetic ...
LR. Manna, CF. Rezende, R. Mazzoni
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Here we report, for the first time, the complete mitochondrial genome of Astyanax giton which, together with other species, are popularly known as tetras.
Cynthia Aparecida Valiati Barreto +4 more
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Catálogo de ejemplares tipo de la colección ictiológica del Museo de La Plata [PDF]
Fil: Miquelarena, Amalia María. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Nadalin, Diego Oscar. División Zoología Vertebrados.
Miquelarena, Amalia María +1 more
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Biologia reprodutiva e indução de micronúcleos em Astyanax spp : expostos às aguas do Rio Jacutinga, Sul do Brasil [PDF]
O estudo teve como objetivo avaliar a biologia reprodutiva e o percentual de micronúcleos (MN) em eritrócitos de Astyanax spp. Foram comparadas duas porções do Rio Jacutinga-SC, uma área alagada pela Usina Hidrelétrica de Itá-SC
Armiliato, Neide +2 more
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EVOLUTION OF THE CIRCADIAN CLOCK IN EXTREME ENVIRONMENT: LESSONS FROM CAVEFISH. [PDF]
Evolution has been strongly influenced by the daily cycles of temperature and light imposed by the rotation of the Earth. Fascinating demonstrations of this are seen in extreme environments such as caves where some animals have remained completely ...
Cavallari, Nicola
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Análise da variação ontogenética da assinatura isotópica de Cyanocharax alburnus (Teleostei, Characiformes) [PDF]
A análise de isótopos estáveis está sendo cada vez mais utilizadas para o entendimento da real assimilação de nutrientes e da posição trófica de organismos.
Batista, Cibele Boeira
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Prevalence and intensity of black-spot disease in fish community from a subtropical stream (Santa Lucía river basin, Uruguay) [PDF]
The objective of the present study was to identify fish species susceptible to black spot disease, the temporal variation in intensity prevalence and abundance of black spot, and its correlation with environmental and host parameters.
Eguren, Gabriela +1 more
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