Results 21 to 30 of about 258 (111)

A study on monogenean parasites from the gills of some cichlids (Pisces: Cichlidae) from the Brazilian Amazon [PDF]

open access: yesRevista Mexicana de Biodiversidad, 2016
The aim of this study was to investigate monogenean fauna in gills of Geophagus camopiensis, Pterophyllum scalare, Satanoperca jurupari, and Satanoperca acuticeps in a tributary from the Amazon River system in Brazil.
Aristides Ferreira-Sobrinho   +1 more
doaj   +2 more sources

As redes de trocas rituais dos Yuhupdeh no igarapé Castanha, através dos benzimentos (mihdttd) e das flautas Jurupari (Ti') [PDF]

open access: yes, 2015
Este trabalho decorre de uma experiência etnográfica entre os Yuhupdeh, na região do alto rio Negro (ou Noroeste Amazônico). Essa região se caracteriza por possuir um sistema social que abarca três grandes famílias lingüísticas: Tukano Oriental, Aruak e ...
Pedro Augusto Lolli   +1 more
openaire   +2 more sources

Rapid morphological change in multiple cichlid ecotypes following the damming of a major clearwater river in Brazil. [PDF]

open access: yesEvol 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

Hydrological Connectivity Enhances Fish Biodiversity in Amazonian Mining Ponds: Insights From eDNA and Traditional Sampling. [PDF]

open access: yesMol Ecol
ABSTRACT Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity ...
Timana-Mendoza C   +7 more
europepmc   +2 more sources

A new species of Satanoperca (Teleostei: Cichlidae) from the Rio Tocantins basin, Brazil

open access: yesNeotropical Ichthyology, 2021
A new species of Satanoperca is described from the Rio Araguaia, Rio Tocantins basin, Brazil, and non-native records are available in the upper Rio Paraná basin. It differs from congeneric species by color pattern characters, such as head and flank marks.
Renata Rúbia Ota   +4 more
doaj   +1 more source

A new species of rheophilic armored catfish of Rineloricaria (Siluriformes: Loricariidae) from the Vaupés River, Amazonas basin, Colombia

open access: yesJournal of Fish Biology, Volume 103, Issue 5, Page 1073-1084, November 2023., 2023
Abstract A new rheophilic species of the genus Rineloricaria is described for the Amazon basin in Colombia. Rineloricaria cachivera n. sp. differs from its congeners by having anterior to the first predorsal plate, an inconspicuous saddle‐like mark; the presence of dark, diffuse blotches, present as unified dark colouration along most of the dorsal ...
Alexander Urbano‐Bonilla   +2 more
wiley   +1 more source

Fisheries in a border area of the Moxos Lowlands (Bolivia) after invasion of Arapaima gigas

open access: yesAquaculture, Fish and Fisheries, Volume 3, Issue 2, Page 196-210, April 2023., 2023
We characterized fisheries in the area of the port city of Riberalta (upper Madeira River basin) and evaluated the contribution of an invasive species (Arapaima gigas) to the landings. A. gigas represented 57.6% of the overall economic value of fish in the region.
Gabriela Rico Lopez   +4 more
wiley   +1 more source

DiceCT for fishes: recommendations for pairing iodine contrast agents with μCT to visualize soft tissues in fishes

open access: yesJournal of Fish Biology, Volume 102, Issue 4, Page 893-903, April 2023., 2023
Abstract Computed tomography (CT) scanning and other high‐throughput three‐dimensional (3D) visualization tools are transforming the ways we study morphology, ecology and evolutionary biology research beyond generating vast digital repositories of anatomical data.
Matthew A. Kolmann   +7 more
wiley   +1 more source

Jurupari e as leis do sol

open access: yesRevista de Letras, 2021
A Lenda do Jurupari é considerada um dos textos literários ameríndios mais importantes de América latina nascido da tradição oral da língua indígena nheengatu. Por isso, este trabalho é principalmente uma apresentação de uma narrativa ameríndia colombo-brasileira e uma possível contribuição para as pesquisas literárias referentes às culturas aborígenes,
Adriana De Oliveira Alves Corrêa   +1 more
openaire   +1 more source

Myxozoan Ceratomyxids Infecting the Gallbladder of Amazonian Ornamental Cichlid Fish: Description of Ellipsomyxa santarenensis n. sp. and Report of Ceratomyxa amazonensis in a New Host

open access: yesDiversity, 2023
Although most Myxozoa species of the genera Ceratomyxa and Ellipsomyxa have been described in marine hosts worldwide, an increasing diversity has been reported infecting South American freshwater fish, mainly in Amazonian waters.
Rayline T. A. Figueredo   +3 more
doaj   +1 more source

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