Linking rivers, mixing faunas: How artificial connectivity between the Middle and Upper Paraná River basins shapes fish diversity in a tributary of the Itaipu Reservoir, Brazil. [PDF]
J Fish BiolAbstract This work aimed to investigate the distribution and occurrence of fish species along the São Francisco Falso Braço Norte (SFFBN) River basin, a tributary of the Middle Paraná River basin now artificially connected to the Upper Paraná ecoregion, to evaluate how such connectivity may affect the biogeographic distribution and regional composition
Kampfert LEP +5 more
europepmc +2 more sources
Establishing new grid-size-dependent attributes to rank areas of endemism for conservation priorities. [PDF]
CladisticsAbstract Delineating Areas of Endemism (AEs) is crucial for identifying priority areas for biodiversity conservation in a spatial planning framework. Endemicity Analysis in the NDM/VNDM software is one of the primary methodologies for its delineation.
Frota A, da Graça WJ.
europepmc +2 more sources
Linking anatomical and histological traits of the digestive tract to resource consumption and assimilation of omnivorous tetra fishes. [PDF]
Ecol EvolThis study investigates digestive traits and dietary patterns in omnivorous tetra fishes from the Iguaçu River basin, known for high endemism. The researchers found that while the tetra fishes shared histological structures, anatomical differences in digestive traits correlated with distinct dietary preferences.
Neves MP +5 more
europepmc +2 more sources
Cryptic diversity and recent diversification in the Pyrrhulina australis species complex (Characiformes, Lebiasinidae) revealed by mitochondrial DNA. [PDF]
J Fish BiolAbstract Pyrrhulina australis Eigenmann & Kennedy, 1903, is widely distributed across the main hydrographic basins of South America. The taxonomic integrity of this species is nevertheless challenged by the lack of clear diagnostic characters, its marked geographic variation and the morphological overlap with its congeners. In this context, the present
Souza TB +6 more
europepmc +2 more sources
Genetics and Molecular Biology, 2003 A cytogenetic analysis of thirteen specimens of Bryconamericus aff. Iheringii revealed a diploid number of 52 chromosomes and a karyotype of 8M+22SM+10ST+12A with a fundamental number (FN) of 92.
Ana Lúcia Dias
exaly +3 more sources
Brazilian Archives of Biology and Technology, 2007 Reproduction of Bryconamericus stramineus was described based on the analysis of 208 females and 166 males collected monthly in the Rio Ibicuí, from April 2001 through March 2002. Reproduction occurred between September and December, with a lower peak in
Clarice Bernhardt Fialho
exaly +3 more sources
Cytogenetic analysis in three Bryconamericus species (Characiformes, Characidae): first description of the 5S rDNA-bearing chromosome pairs in the genus [PDF]
Molecular Cytogenetics, 2013 Patrícia P Parise-Maltempi +2 more
exaly +2 more sources
Bryconamericus macarenae n. sp. (Characiformes, Characidae) from the Güejar River, Macarena mountain range, Colombia [PDF]
Animal Biodiversity and Conservation, 2010 Bryconamericus macarenae sp. n. (Characiformes, Characidae) del río Güejar, sierra de La Macarana, Colombia Basándonos en 174 especímenes y utilizando características morfométricas, merísticas y osteológicas describimos una nueva especie ...
C. Román-Valencia +3 more
doaj +4 more sources
Two new Bryconamericus: B. cinarucoense n. sp. and B. singularis n. sp. (Characiformes, Characidae) from the Cinaruco River, Orinoco Basin, with keys to all Venezuelan species [PDF]
Animal Biodiversity and Conservation, 2008 Dos nuevos Bryconamericus: B. cinarucoense sp. n. y B. singularis sp. n. (Characiformes, Characidae) del río Cinaruco, cuenca del Orinoco, con claves para todas las especies de Venezuela Se describen dos especies nuevas de Bryconamericus de la cuenca ...
C. Román-Valencia +2 more
doaj +2 more sources
Revista de Investigaciones Universidad del Quindío, 2023 We report the results of a taxonomic revision of the species of Bryconamericus from the Amazon River Basin of Peru, Ecuador, Bolivia and the Pacific coastal rivers of Peru.
Cesar Román-Valencia +2 more
doaj +1 more source