Results 81 to 90 of about 561 (174)
Karyotypic Diversity in a Bryconamericus aff. exodon Population(Characidae, Tetragonopterinae).
CYTOLOGIA, 2002 Fifteen specimens of Bryconamericus aff. exodon collected from Tres Bocas stream, basin of the Tibagi river (PR, Brazil), were analysed cytogenetically. The diploid number of 52 chromosomes was observed and the presence of 2 cytotypes, with variations in the karyotypic formulae.
Paintner-Marques, Tânia Regina +2 more
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, 2016 Three new fish species are described: Brynamericus da/di from the basins of the Patia and Mira rivers: B. ichoensis from ChapUlTaido Creek, the upper Atrato River basin, and B. galvisi from upper Putumayo River.
Román Valencia, César
core
Acta Scientiarum: Biological Sciences, 2008 Este trabalho teve como objetivo analisar alguns aspectos da alimentação de larvas de Bryconamericus aff. iheringii, capturadas nos meses de julho e novembro de 2001, nas regiões limnética e litorânea do reservatório de Santa Maria, rio Piquiri, Estado ...
Renato Ziliani Borges +4 more
doaj +1 more source
Bryconamericus pyahu sp. n. (Characiformes, Characidae), a new species from the río Iguazú basin, in Argentina [PDF]
, 2019 A new species of the genus Bryconamericus is described from río Iguazú basin in Misiones, Argentina. Bryconamericus pyahu sp. n. is distinguished from all other species by the following combination of characters: low body depth (28.0-34.5 in % of SL ...
Almirón, Adriana Edith +2 more
core
Acta Zoológica Lilloana, 2012 Nantis indefessus fue descripto como un endemismo de la cuenca alta del Río Bermejo, en el noroeste de Argentina. Material adicional reveló que esta especie también habita la cuenca alta del Río Juramento, en simpatría con Bryconamericus rubropictus, a ...
Juan Marcos Mirande
doaj
Bryconamericus ikaa Casciotta, Almiron & Azpelicueta 2004
, 2008 Bryconamericus ikaa Casciotta, Almirón & Azpelicueta, 2004 New species ...
openaire +4 more sources
Deforestation strengthens environmental filtering and competitive exclusion in Neotropical streams and rivers. [PDF]
Proc Biol Sci, 2023 Cantera I +6 more
europepmc +1 more source
Acta Scientiarum: Biological Sciences, 2009 This study analyzed the diet of seven small-sized fish species(Characidae) and assessed their use of food resources. The species were collected in 2001 from nine ponds with aquatic macrophytes in the Paraná river floodplain, Brazil. Astyanax altiparanae,
Valdirene Esgarbosa Loureiro Crippa +2 more
doaj
Neotropical IchthyologyInformation on ichthyoplankton is an important tool in determining reproduction periods that - if associated to environmental variables - allows for inferences about the factors that regulate their intensity, beginning, and ending.
David Augusto Reynalte-Tataje +4 more
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Bryconamericus pinnavittatus Dagosta & Netto-Ferreira, 2015, new species
, 2015 Bryconamericus pinnavittatus, new species Figure 1; Table 1 Holotype. MZUSP 115349, 27.4 mm SL, Brazil, Pará State, Jacareacanga Municipality, stream affluent of the right margin of the rio Teles Pires, downstream of Sete Quedas, 09°18’52’’S 56°46’54’’W, 15 Jan 2008, col. M.V. Loeb & A. de Castro. Paratypes.
Dagosta, Fernando C. P. +1 more
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