Results 61 to 70 of about 117 (83)
Reprodução da piranha-amarela Serrasalmus spilopleura Kner, 1858, em lagos de várzea, Amazonas, Brasil [PDF]
Biota Neotropica, 2011 Serrasalmus spilopleura (piranha-amarela) é fonte de proteína animal para as populações ribeirinhas, sendo ocasionalmente comercializada nos mercados e feiras da região. Considerando a escassez de informações sobre a reprodução de peixes em lagos de várzea, o trabalho propõe investigar o comprimento médio de primeira maturação sexual e a época de ...
Luiza Prestes
exaly +4 more sources
Henneguya curvata sp. n. (Myxosporea: Myxobolidae) parasitizing the gills of Serrasalmus spilopleura (Characidae: Serrasaminae), a South American freshwater fish [PDF]
Folia Parasitologica, 2003 The class Myxosporea of the phylum Myxozoa contains 52 genera (Kent M.L., Andree K.B., Bartholomew J.L., ElMatbouli M., Desser S.S., Devlin R.H., Feist S.W., Hedrick R.P., Hoffmann R.W., Khattra J., Hallett S.L., Lester R.J.G., Longshaw M., Palenzeula O., Siddall M.E., Xiao C.X. 2001: J. Eukaryot. Microbiol.
Edson Adriano, Sarah Arana
exaly +3 more sources
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Environmental Biology of Fishes, 1996
Reproduction in female Serrasalmus spilopleura (Characiformes, Characidae) from the Itumbiara reservoir (18°28′ S, 48°36′ W), Paranaiba River, Brazil, was examined with emphasis on the relationship between condition factors and coelomic fat, the annual reproductive cycle and the unusual dynamics of its sexual maturity. The condition factor and coelomic
Alexandre Godinho +1 more
exaly +2 more sources
Reproduction in female Serrasalmus spilopleura (Characiformes, Characidae) from the Itumbiara reservoir (18°28′ S, 48°36′ W), Paranaiba River, Brazil, was examined with emphasis on the relationship between condition factors and coelomic fat, the annual reproductive cycle and the unusual dynamics of its sexual maturity. The condition factor and coelomic
Alexandre Godinho +1 more
exaly +2 more sources
Revista Brasileira De Agrotecnologia, 2021
O presente trabalho teve como objetivo elaborar um hidrolisado proteico de carne de palometa (Serrasalmus spilopleura) por via enzimática utilizando a enzima Alcalase, bem como realizar a caracterização físico-química e avaliar suas propriedades tecno-funcionais. O grau de hidrólise (GH) do hidrolisado proteico de palometa foi 17,4% e conteúdo proteico
Graciela Centenaro +1 more
exaly +2 more sources
O presente trabalho teve como objetivo elaborar um hidrolisado proteico de carne de palometa (Serrasalmus spilopleura) por via enzimática utilizando a enzima Alcalase, bem como realizar a caracterização físico-química e avaliar suas propriedades tecno-funcionais. O grau de hidrólise (GH) do hidrolisado proteico de palometa foi 17,4% e conteúdo proteico
Graciela Centenaro +1 more
exaly +2 more sources
Cell and Tissue Research, 2007
The freshwater fish Serrasalmus spilopleura (piranha) has a continuous type of reproduction; gametes are constantly produced and released during the reproductive cycle. The testes do not undergo seasonal morphological changes but exhibit two constant regions throughout the year: the medullar region (involved with spermatogenesis) and the cortical ...
Irani Quagio-Grassiotto +1 more
exaly +4 more sources
The freshwater fish Serrasalmus spilopleura (piranha) has a continuous type of reproduction; gametes are constantly produced and released during the reproductive cycle. The testes do not undergo seasonal morphological changes but exhibit two constant regions throughout the year: the medullar region (involved with spermatogenesis) and the cortical ...
Irani Quagio-Grassiotto +1 more
exaly +4 more sources
Environmental Biology of Fishes, 1985
The water hyacinth, Eichhornia crassipes, plays an important role in the early life of the piranha, Serrasalmus spilopleura in southeastern Brazil. Larvae and early juveniles are found by both day and night among the roots of this free floating waterweed, thus gaining shelter, a rich foraging place, and potential rafting dispersal. Piranha larvae up to
Sazima Ivan
exaly +2 more sources
The water hyacinth, Eichhornia crassipes, plays an important role in the early life of the piranha, Serrasalmus spilopleura in southeastern Brazil. Larvae and early juveniles are found by both day and night among the roots of this free floating waterweed, thus gaining shelter, a rich foraging place, and potential rafting dispersal. Piranha larvae up to
Sazima Ivan
exaly +2 more sources
Tissue and Cell, 2005
The morphophysiological changes that occur during oocyte primary growth in Serrasalmus spilopleura were studied using ultrastructural cytochemical techniques. In the previtellogenic oocytes endoplasmic reticulum components, Golgi complex cisternae and vesicles, lysosomes, multivesicular bodies and some electron-dense vesicles react to acid phosphatase (
Irani Quagio-Grassiotto
exaly +4 more sources
The morphophysiological changes that occur during oocyte primary growth in Serrasalmus spilopleura were studied using ultrastructural cytochemical techniques. In the previtellogenic oocytes endoplasmic reticulum components, Golgi complex cisternae and vesicles, lysosomes, multivesicular bodies and some electron-dense vesicles react to acid phosphatase (
Irani Quagio-Grassiotto
exaly +4 more sources
Hydrobiologia, 1986
Regression analysis of log10 upper and lower caudal lobe area (whole ‘uncropped’ caudals) against log10 standard length for ten prey species of the piranha showed significant differences in both slope and intercept for only one species (Astyanax fasciatus) although intercepts alone were significantly different for two others (A.
T. G. Northcote +2 more
openaire +1 more source
Regression analysis of log10 upper and lower caudal lobe area (whole ‘uncropped’ caudals) against log10 standard length for ten prey species of the piranha showed significant differences in both slope and intercept for only one species (Astyanax fasciatus) although intercepts alone were significantly different for two others (A.
T. G. Northcote +2 more
openaire +1 more source
Acta Zoologica, 2003
AbstractThe follicular epithelium and theca of oocytes in Serrasalmus spilopleura differentiates during the initial primary growth phase. The follicular cells are squamous and the thecal cells are disposed in two layers. During the secondary growth phase, follicular cells become cuboidal, acquire characteristics typical of protein‐ or glycoprotein ...
Quagio-Grassiotto, I, Guimaraes, ACD
openaire +2 more sources
AbstractThe follicular epithelium and theca of oocytes in Serrasalmus spilopleura differentiates during the initial primary growth phase. The follicular cells are squamous and the thecal cells are disposed in two layers. During the secondary growth phase, follicular cells become cuboidal, acquire characteristics typical of protein‐ or glycoprotein ...
Quagio-Grassiotto, I, Guimaraes, ACD
openaire +2 more sources