Results 41 to 50 of about 561 (174)
Karyotypic diversity in a population of Bryconamericus aff. iheringii (Characidae)
Genetics and Molecular Research, 2014 Bryconamericus comprises 56 species distributed into three groups, on the basis of the position and shape of the maxillary teeth: B. exodon, B. microcephalus and B. iheringii groups. Few cytogenetic data are available for this genus, but the diploid number of 52 chromosomes is quite common, although the karyotypic variability is extensive.
L L L, da Silva +2 more
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Acta Scientiarum: Biological Sciences, 2012 There are evidences that Bryconamericus aff. iheringii represents a species complex. DNA molecular markers have been effective in studies on phylogeny, taxonomy, and identification of cryptic species. In this study, partial sequences of genes of ATPase 6
Camila Montoro Mazeti +3 more
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Trophic plasticity of omnivorous fishes in natural and human‐dominated landscapes
Limnology and Oceanography, Volume 69, Issue 1, Page 189-202, January 2024.Abstract The persistence of diverse communities and functioning ecosystems under increasing anthropogenic pressure relies on food web rewiring and the ability of animals to expand or change their diet in disturbed ecosystems. We combined a suite of diet tracing techniques to study trophic plasticity in omnivorous fishes, ecomorphologically similar ...
Mayara Pereira Neves +4 more
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Zoologia (Curitiba), 2013 In this contribution we studied the trophic ecology of four Characidae species from the Cavalo Stream, upper Tocantins River, considering diet overlap and trophic niche breadth.
Maíra Moraes +2 more
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Bryconamericus exodon Eigenmann 1907
, 2011 Bryconamericus exodon (Fig. 6 A-L) In the spermatozoon of Bryconamericus exodon the ovoid nucleus measures 1.5 µ m in the longitudinal axis and 1.2 µ m in the transverse axis. The surrounding strip of cytoplasm has no organelles (Fig. 6A). Nuclear rotation toward the flagellar axis was about 80 degrees (Fig. 6 A-B).
Baicere-Silva, Clarianna Martins +4 more
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Bryconamericus ikaa Casciotta, Almiron & Azpelicueta 2004
, 2020 Published as part of Mirande, Juan Marcos & Koerber, Stefan, 2020, Checklist of the Freshwater Fishes of Argentina. 2 edition. (CLOFFAR- 2)., pp.
Mirande, Juan Marcos, Koerber, Stefan
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Bryconamericus stramineus Eigenmann 1908
, 2014 B. stramineus Eigenmann, 1908 NT first record Eigenmann & Myers (1929) remarks in T sub B.
Litz, Thomas O. +1 more
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, 2010 Published as part of Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, pp. 385-568 in Neotropical Ichthyology 8 (3) on page 542, DOI: 10.1590/S1679-62252010000300001, http://zenodo.org/record ...
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Bryconamericus exodon Eigenmann 1907
, 2013 Published as part of Mirande, Juan Marcos, Jerep, Fernando Camargo & Vanegas-Ríos, James Anyelo, 2013, Phylogenetic relationships of the enigmatic Carlastyanax aurocaudatus (Eigenmann) with remarks on the phylogeny of the Stevardiinae (Teleostei: Characidae), pp.
Mirande, Juan Marcos +2 more
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Bryconamericus pyahu Azpelicueta, Casciotta & Almiron 2003
, 2020 B. pyahu Azpelicueta, Casciotta & Almirón, 2003 Bryconamericus pyahu Azpelicueta, Casciotta & Almirón, 2003 info type locality Misiones, Iguazú basin, Arroyo ...
Mirande, Juan Marcos, Koerber, Stefan
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