Neotropical Ichthyology, 2021 The introduction of non-native predators is a matter of great concern, but their impacts on ecosystem functions remain poorly understood. We investigated how changes in fish diversity following the invasion of Cichla kelberi affected ecosystem functions ...
Luiza Bangoim Leal +2 more
exaly +7 more sources
Comparative cytogenetic of six species of Amazonian Peacock bass (Cichla, Cichlinae): intrachromosomal variations and genetic introgression among sympatric species [PDF]
Comparative Cytogenetics, 2020 Cytogenetic data for the genus Cichla Bloch et Schneider, 1801 are still very limited, with only four karyotype descriptions to date. The sum of the available cytogenetic information for Cichla species, points to a maintenance of the diploid number of 48
Janice Quadros +6 more
doaj +5 more sources
Genetic characterization of native and introduced populations of the neotropical cichlid genus Cichla in Brazil [PDF]
Genetics and Molecular Biology, 2009 A molecular phylogenetic analysis based on mitochondrial 16S ribosomal DNA and Control Region sequences from native and introduced populations was undertaken, in order to characterize the introduction of Cichla (peacock bass or tucunaré) species in ...
Daniel Cardoso de Carvalho +6 more
doaj +5 more sources
Acta Scientiarum: Biological Sciences, 2022 Species Cichla piquiti and Cichla kelberi are found in the Serra da Mesa reservoir, Goiás and are sedentary with diurnal habits. This study aimed to evaluate the magnitude and distribution of genetic variability in subpopulations of C.
Ruan Carlos Pires Faquim +4 more
doaj +3 more sources
Rapid morphological change in multiple cichlid ecotypes following the damming of a major clearwater river in Brazil. [PDF]
Evol Appl, 2020 Abstract While anthropogenic disturbances can have damaging effects on biodiversity, they also offer an opportunity to understand how species adapt to new environments and may even provide insights into the earliest stages of evolutionary diversification. With these topics in mind, we explored the morphological changes that have occurred across several
Gilbert MC +3 more
europepmc +2 more sources
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
Machine learning models accurately predict clades of proteocephalidean tapeworms (Onchoproteocephalidea) based on host and biogeographical data. [PDF]
CladisticsAbstract Proteocephalids are a cosmopolitan and diverse group of tapeworms (Cestoda) that have colonized vertebrate hosts in freshwater and terrestrial environments. Despite the ubiquity of the group, key macroevolutionary processes that have driven the group's evolution have yet to be identified.
Vieira Alves P +7 more
europepmc +2 more sources
Climate change may increase the suitable habitats for invasive freshwater cichlids in a Neotropical basin [PDF]
Scientific ReportsAlthough climate change may facilitate the spread of invasive alien species (IAS), research assessing this link remains limited. Recognizing suitable habitats where IAS have been introduced is crucial for biodiversity conservation and ecosystem ...
Cristian Martínez-González +4 more
doaj +2 more sources
Reduced genetic diversity and the success of the invasive peacock bass (Cichliformes: Cichlidae)
Brazilian Journal of Biology, 2021 Several species of Cichla successfully colonized lakes and reservoirs of Brazil, since the 1960’s, causing serious damage to local wildlife. In this study, 135 peacock bass were collected in a reservoir complex in order to identify if they represented a ...
S. C. S. Luz +7 more
doaj +1 more source
Coexistence of endemic peacock basses (Cichla) in a Neotropical reservoir (Cichlidae: Cichliformes) [PDF]
Neotropical Ichthyology, 2022 Peacock basses (genus Cichla) are predatory fish widely distributed across the Amazon, where two or more species normally coexist in a same drainage. The mechanisms that allow coexistence remain poorly understood, although these species share a number of
Geovana de Souza Andrade +1 more
doaj +1 more source