Mapping the hidden diversity of the Geophagus sensu stricto species group (Cichlidae: Geophagini) from the Amazon basin. [PDF]
PeerJ, 2021 South American freshwater ichthyofauna is taxonomically the most diverse on the planet, yet its diversity is still vastly underestimated. The Amazon basin alone holds more than half of this diversity.
Ximenes AM +4 more
europepmc +3 more sources
PROPORÇÃO SEXUAL E RELAÇÃO PESO-COMPRIMENTO DO GEOPHAGUS SURINAMENSIS (BLOCH, 1791) EM UM LAGO AMAZÔNICO / SEXUAL PROPORTION AND WEIGHT-LENGTH GEOPHAGUS SURINAMENSIS (BLOCH, 1791) AMAZON LAKE [PDF]
Brazilian Journal of Development, 2020 O presente trabalho tem por objetivo avaliar a razão sexual de Geophagus surinamensi, verificar o dimorfismo sexual e determinar se há ou não diferenças significativas no tamanho e peso entre os indivíduos de ambos os sexos.
Aquiles Batista Sousa +4 more
openaire +4 more sources
Regionally nested patterns of fish assemblages in floodplain lakes of the Magdalena river (Colombia). [PDF]
Ecol Evol, 2012 We investigated if fish assemblages in neotropical floodplain lakes (cienagas) exhibit nestedness, and thus offer support to the managers of natural resources of the area for their decision making.
Granado-Lorencio C +5 more
europepmc +3 more sources
Evolutionary dynamics of retrotransposable elements Rex1, Rex3 and Rex6 in neotropical cichlid genomes. [PDF]
BMC Evol Biol, 2013 Schneider CH +5 more
europepmc +2 more sources
Acta Scientiarum: Biological Sciences, 2011 Parasitological indexes of Austrodiplostomum compactum (Digenea, Diplostomidae) in fishes from the Paraná River, Presidente Epitácio region, state of São Paulo, Brazil, and their relationship with climate and water quality are evaluated.
Rosemeire de Souza Santos +5 more
doaj +3 more sources
First study on parasites of Hemibrycon surinamensis (Characidae), a host from the eastern Amazon region. [PDF]
, 2019 This study was the first investigation of communities and infracommunities of parasites of Hemibrycon surinamensis. All the fish collected in a tributary of the Amazon river were parasitized by one or more parasite species. The Brillouin diversity index (
DIAS, M. T. +2 more
core +3 more sources
Austrodiplostomum compactum (Lutz, 1928) (Digenea, Diplostomidae) in the eyes of fishes from Paraná river, Brazil=Austrodiplostomum compactum (Lutz, 1928) (Digenea, Diplostomidae) em olhos de peixes do rio Paraná, Brasil [PDF]
Acta Scientiarum: Biological Sciences, 2012 Parasitological indexes of Austrodiplostomum compactum (Digenea, Diplostomidae) in fishes from the Paraná River, Presidente Epitácio region, state of São Paulo, Brazil, and their relationship with climate and water quality are evaluated.
Maurício Laterça Martins +5 more
doaj
Morphological and molecular identification of geophagus sveni lucinda, lucena & assis, 2010 (Cichlidae, cichliformes) from the paraná river basin, Argentina [PDF]
, 2018 During 2015, we collected several specimens of a cichlid tentatively assigned to Geophagus in Yacyretá reservoir in the Paraná river basin (Argentina). By means of morphological and molecular evidence, we identified these specimens as Gephagus sveni, a ...
Aichino, Danilo Ramon +3 more
core +1 more source
Karyotypes of 10 species of neotropical cichlids (Pisces, Perciformes) [PDF]
, 1985 Ten neotropical species of family Cichlidae (Pisces: Perciformes) were analyzed cytogenetically. The results obtained also support the indications that the chromosomal evolution of this group was more conservative than divergent from the numerical point ...
Bertollo, Luiz Antônio Carlos +1 more
core +1 more source
A new colorful species of Geophagus (Teleostei: Cichlidae), endemic to the rio Aripuanã in the Amazon basin of Brazil [PDF]
, 2014 Geophagus mirabilis, new species, is endemic to the rio Aripuanã drainage upstream from Dardanelos/Andorinhas falls. The new species is distinguished from all other species of the genus by the presence of one to five large black spots arranged ...
Armbruster J. W. +39 more
core +1 more source