Diversity, multilingualism and inter-ethnic relations in the long-term history of the Upper Rio Negro region of the Amazon
Sign Up to like & getrecommendations! Published in 2022 at "Interface Focus"
DOI: 10.1098/rsfs.2022.0050
Abstract: The Upper Rio Negro regional social system is made up of more than 30 languages belonging to six linguistic families. This results from socio-historical processes stretching back at least two millennia, which have built a… read more here.
Keywords: inter ethnic; ethnic relations; diversity; rio negro ... See more keywords
Morphology and molecular evidence of a new species of Characidium (Characiformes: Crenuchidae) from the edges of a protected area at Rio Itararé, upper Rio Paraná, southern Brazil.
Sign Up to like & getrecommendations! Published in 2024 at "Journal of fish biology"
DOI: 10.1111/jfb.15935
Abstract: A new species of Characidium is described from the headwaters of the Rio Itararé, upper Rio Paraná basin, at the boundaries of the Ponta Grossa Arch and the Devonian Escarpment Environmental Protection Area. The new… read more here.
Keywords: itarar upper; rio; new species; upper rio ... See more keywords
Three new species of Poptella (Characiformes: Acestrorhamphidae: Stethaprioninae) from the Tocantins-Araguaia river system, central-northern Brazil.
Sign Up to like & getrecommendations! Published in 2025 at "Journal of fish biology"
DOI: 10.1111/jfb.70218
Abstract: Examination of extensive comparative material currently identified as Poptella compressa has enabled us to verify the existence of three new species. These three species are characterized by nine branched dorsal-fin rays. Poptella magnuspina sp.n has… read more here.
Keywords: new species; species poptella; three new; upper rio ... See more keywords
Moenkhausia restricta, a new species from the upper Rio Negro, Amazon basin, northwestern Brazil (Characiformes: Characidae).
Sign Up to like & getrecommendations! Published in 2019 at "Zootaxa"
DOI: 10.11646/zootaxa.4700.4.7
Abstract: A new shallow-bodied species of Moenkhausia is described from the upper Rio Negro, Amazon basin, Brazil. The new species is diagnosed from all congeners by the combination of a body depth not surpassing 33% in… read more here.
Keywords: upper rio; new species; rio negro; amazon basin ... See more keywords
Bunocephalus hertzi, a new banjo catfish from the upper Rio Paraná basin, Brazil (Siluriformes: Aspredinidae), with the redescription of Bunocephalus larai Ihering, 1930.
Sign Up to like & getrecommendations! Published in 2020 at "Zootaxa"
DOI: 10.11646/zootaxa.4742.1.6
Abstract: Bunocephalus hertzi, new species, is described from two tributaries of the upper Rio Paraná basin. Because the type series of B. larai (the only other species of Bunocephalus in the basin) is lost, a redescription… read more here.
Keywords: upper rio; larai; bunocephalus hertzi; basin ... See more keywords
A new restricted-range Melanorivulus (Cyprinodontiformes: Rivulidae) from the upper rio Guaporé, Chapada dos Parecis, Brazil.
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DOI: 10.11646/zootaxa.5496.3.2
Abstract: A new species of Melanorivulus, belonging to the Melanorivulus zygonectes species group, is described from the rio Galera, a tributary of the right bank of the upper rio Guaporé, Amazon basin, Mato Grosso state, Brazil.… read more here.
Keywords: new restricted; rio guapor; rio; melanorivulus ... See more keywords
Identification key and pictures of the Hypostomus Lacépède, 1803 (Siluriformes, Loricariidae) from the rio Ivaí, upper rio Paraná basin
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DOI: 10.15560/14.2.393
Abstract: The rio Ivaí flows through the left margin of the upper rio Paraná basin with 798 km of extension, being one of its largest tributaries. In this study, we analyzed 586 specimens of Hypostomus Lacépède,… read more here.
Keywords: upper rio; rio iva; rio; basin ... See more keywords
Strong differentiation between amphibian communities on two adjacent mountains in the Upper Rio Pastaza watershed of Ecuador, with descriptions of two new species of terrestrial frogs.
Sign Up to like & getrecommendations! Published in 2022 at "ZooKeys"
DOI: 10.3897/zookeys.1081.71488
Abstract: We present the results of herpetological surveys in two adjacent mountains where the EcoMinga Foundation protects the cloud forest in the Upper Rio Pastaza watershed, in the Llanganates Sangay Ecological Corridor in Ecuador. A rapid… read more here.
Keywords: terrestrial frogs; amphibian communities; rio pastaza; pastaza watershed ... See more keywords