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Cytogenetic characterization of Metynnis maculatus (Teleostei; Characiformes): the description in Serrasalminae of a small B chromosome bearing inactive NOR-like sequences
(UNIV FLORENCE BOTANY INST, 2009)
Mitotic chromosomes of Metynnis maculatus (KNER 1860) (Teleostei, Characiformes), a fish species that occurs in the Amazon and Parana-Paraguay river basins, were analyzed for the first time by Giemsa and Ag-NOR staining, ...
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 ...
Taxonomia e ecologia dos parasitos branquiais de Serrasalmus marginatus Valenciennes, 1837 (Characiformes: Serrasalminae) da planície de inundação do alto rio Paraná, PR/MS, Brasil.Taxonomy and ecology of gill parasites of Serrasalmus marginatus Valenciennes, 1837 (Characiformes: Serrasalminae) from the upper Paraná River floodplain, Paraná/Mato Grosso do Sul, Brazil.
(Universidade Estadual de MaringáBrasilPrograma de Pós-Graduação em Ecologia de Ambientes Aquáticos ContinentaisUEMMaringáDepartamento de Biologia, 2018)
Henneguya curvata sp n. (Myxosporea : Myxobolidae) parasitizing the gills of Serrasalmus spilopleura (Characidae : Serrasalminae), a South American freshwater fish
(Folia ParasitologicaCeske BudejoviceRepública Checa, 2003)