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Sperm morphology and ultrastructure of Patagonian blenny (Eleginops maclovinus)
(CHURCHILL LIVINGSTONE, 2019)
The ultrastructural aspects of vitellogenesis or oocyte secondary growth in Serrasalmus spilopleura (Teleostei, Characiformes, Serrasalminae)
(2002-04-01)
Oocyte secondary growth in S. spiloleura corresponds to the period in which different vesicular structures are formed, including the cortical alveoli and the yolk granules. The oocytes with cortical alveolus formation show ...
The ultrastructural aspects of vitellogenesis or oocyte secondary growth in Serrasalmus spilopleura (Teleostei, Characiformes, Serrasalminae)
(2002-04-01)
Oocyte secondary growth in S. spiloleura corresponds to the period in which different vesicular structures are formed, including the cortical alveoli and the yolk granules. The oocytes with cortical alveolus formation show ...
Influência de uma piscicultura em tanquesrede na dieta e atributos biológicos de Galeocharax knerii na represa de Chavantes, Brasil
(2013-09-26)
The aim of the present study was to evaluate the diet and biological attributes of the population of Galeocharax knerii residing near net cage fish farming activities in the Chavantes reservoir (Paranapanema River, Brazil) ...
Acute exposure of a glyphosate-based herbicide affects the gills and liver of the Neotropical fish, Piaractus mesopotamicus
(Elsevier B.V., 2012-09-01)
The aim of this study was to determine the acute toxicity of Roundup (R) Ready (RR) in Piaractus mesopotamicus, and evaluate the effects on the morphology of the gills and liver of exposed surviving fish. Fish were exposed ...
Acute exposure of a glyphosate-based herbicide affects the gills and liver of the Neotropical fish, Piaractus mesopotamicus
(Elsevier B.V., 2012-09-01)
The aim of this study was to determine the acute toxicity of Roundup (R) Ready (RR) in Piaractus mesopotamicus, and evaluate the effects on the morphology of the gills and liver of exposed surviving fish. Fish were exposed ...
Benthic fish blood as a biomarker for recent exposure to mercury
(Asoc Espan Limnol-mislata, 2018-01-01)
This study evaluated the concentration of Hg in the blood of the benthic fish species Geophagus brasiliensis captured from the Rio Grande and Billings Reservoir, which is located along the Upper Tiete River Basin (Sao ...