Results 1 to 10 of about 251 (61)

Uso do alimento por duas espécies simpátricas de Moenkhausia (Characiformes, Characidae) em um riacho da Região Centro-Oeste do Brasil Food used by two sympatric species of Moenkhausia (Characiformes, Characidae), in a stream of center-western Brazil [PDF]

open access: yesIheringia: Série Zoologia, 2010
Esse estudo avaliou sazonalmente a dieta de Moenkhausia dichroura (Kner, 1858) e M. sanctaefilomenae (Steindachner, 1907), coletadas em simpatria no riacho Cancela, Mato Grosso, Brasil.
Raffael M Tófoli   +3 more
doaj   +17 more sources

Feeding ecology of stream-dwelling Characidae (Osteichthyes: Characiformes) from the upper Tocantins River, Brazil [PDF]

open access: yesZoologia (Curitiba), 2013
In this contribution we studied the trophic ecology of four Characidae species from the Cavalo Stream, upper Tocantins River, considering diet overlap and trophic niche breadth.
Maíra Moraes   +2 more
doaj   +2 more sources

Cytogenetic analyses of three species of Moenkhausia Eigenmann, 1903 (Characiformes, Characidae) from Lower Paraná River (Misiones, Argentina)

open access: yesCaryologia, 2022
Moenkhausia Eigenmann, 1903 is one of the more specious genera among Characidae family, composed by around 100 species. Three members of this genus were cytogenetically analyzed: M. dichroura Kner, 1858, M.
Kevin I. Sánchez
doaj   +1 more source

Distribution of freshwater fish from the Southern Neotropics reveals three new areas of endemism and show diffuse limits among freshwater ecoregions [PDF]

open access: yes, 2021
Ecoregions and areas of endemism are central concepts in biogeography. Based on collection records and the Endemic Analyses implemented with NDM/VNDM method we analyzed fish areas of endemism in the junction of three freshwater ecoregions related to the ...
Bessonart, José   +3 more
core   +4 more sources

Ichthyofauna in an ecological station in the Pantanal of Brazil: the hydrological cycle affecting species composition

open access: yesArxius de Miscel-lània Zoològica, 2021
Ictiofauna en un espai natural protegit del Pantanal del Brasil: afectació de la composició d’espècies pel cicle hidrològic L’objectiu d’aquesta recerca és descriure la fauna ictiològica de l’àrea situada al voltant de l’Espai Natural Protegit ...
H. Pains da Silva   +6 more
doaj   +1 more source

Geographic variation of Moenkhausia bonita (Characiformes: Characidae) in the rio de la Plata basin, with distributional comments on M. intermedia [PDF]

open access: yes, 2019
Moenkhausia bonita es registrada en numerosas localidades adicionales de las cuencas de los ríos Bermejo, Paraná, Paraguay, y Uruguay. Dado que estos hallazgos expanden ampliamente el rango distribucional de M.
Britzke, Ricardo   +2 more
core   +6 more sources

Evaluation of ichthyofauna in lotic and lentic environments in the Araguaia River basin, Cerrado Biome, Brazil [PDF]

open access: yes, 2022
The Araguaia River is an important watercourse located in Central Brazil and well known for its diversity of fish fauna. Differences between landscape and resources in the distinct environments existing in a floodplain can determine the success of a ...
Bernardo Ramos Simões Corrêa   +5 more
core   +2 more sources

Influência da dieta sobre a abundância de Moenkhausia dichroura (Characiformes, Characidae) no reservatório de Manso, Estado de Mato Grosso Diet influencing abundance of Moenkhausia dichroura (Characiformes, Characidae) in Manso Reservoir, State of Mato Grosso, Brazil

open access: yesIheringia: Série Zoologia, 2009
Este estudo teve por objetivo avaliar a dieta e abundância de Moenkhausia dichroura Kner, 1858 após a formação do reservatório de Manso, Estado de Mato Grosso.
Marlene R. da Silva, Norma S. Hahn
doaj   +1 more source

Fish fauna from Río Pilcomayo National Park and Ramsar Site and its surroundings, Formosa, Argentina [PDF]

open access: yes, 2014
The first list of fish species from the Río Pilcomayo National Park and Ramsar Site (RPNP), located in the WetChaco plains of Northern Argentina is presented here.
Baigún, Claudio Rafael M.   +5 more
core   +4 more sources

Alterations on piscivorous diet following change in abundance of prey after impoundment in a Neotropical river

open access: yesNeotropical Ichthyology
The goal of this study was to investigate the alterations of diet of a piscivorous fish (Acestrorhynchus pantaneiro) following changes in abundance of a forage fish (Moenkhausia dichroura) during the trophic upsurge stage in a reservoir.
Geuza Cantanhêde   +3 more
doaj   +1 more source

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