Results 21 to 30 of about 114 (93)

Uma nova espécie de cestóide proteocefalídeo, Monticellia belavistensis, sp.n., parasita de Pterodoras granulosus (Valenciennes) (Pisces, Doradidae), do reservatório de Itaipu e rio Paraná, Paraná, Brasil [PDF]

Revista Brasileira de Zoologia, 1994
In the present paper the authors describe and illustrate a new species of proteocephalidean cestode, Monticellia belavistensis, sp.n., parasite of a freshwater siluriform fish (thorny catfish). Pterodoras granulosus (Valenciennes, 1833), from the Itaipu Reservoir and Parana River, in the region of Porto Rico.
Pavanelli, Gilberto C, Machado, Marion H, Takemoto, Ricardo M, dos Santos, Leonilda C   +3 more
openaire   +3 more sources

Preliminary study on the application of radio-telemetry techniques to evaluate movements of fish in the Lateral canal at Itaipu Dam, Brazil

Neotropical Ichthyology
A preliminary study on the application of radio-telemetry techniques to describe the movements of fish in a bypass channel at Itaipu Dam (Paraná River), known as "Canal da Piracema," was carried out between January and February of 2004.
Lisiane Hahn, Karl English, Joachim Carosfeld, Luiz Gustavo Martins da Silva, João Dirço Latini, Angelo Antônio Agostinho, Domingo Rodriguez Fernandez   +6 more
doaj   +1 more source

Pterodoras granulosus

Pterodoras granulosus (Valenciennes 1821) Distribution Amazon, Guianas, Paraná.
Escobar-Camacho, Daniel, Valdiviezo-Rivera, Jonathan, Carrillo-Moreno, Carolina, Argüello, Pablo, Swing, Kelly   +4 more
openaire   +2 more sources

Quality and digestibility of food ingested by various trophic fish groups in the Upper Paraná River floodplain

Revista de Biología Tropical, 2011
Determining quality of food ingested and digestibility can be helpful in understanding the mechanisms that determine trophic plasticity, which is the ability of a given species to use a more advantageous food source at a given time.
Anna Christina Esper Amaro de Faria, Evanilde Benedito   +1 more
doaj   +2 more sources

Feeding ecology of Pterodoras granulosus (Siluriformes, Doradidae) in the Lajeado Reservoir, Tocantins, Brazil Ecologia alimentar de Pterodoras granulosus (Siluriformes, Doradidae) no reservatório do Lajeado, Tocantins, Brasil

Iheringia: Série Zoologia, 2009
The diet and feeding habits of armado catfish, Pterodoras granulosus (Valenciennes, 1821), were studied in the Lajeado Reservoir, Tocantins, Brazil, and the mouth of its tributaries. Stomach contents of 327 specimens were analyzed by the percentage composition and volumetric methods.
Carlos S. Agostinho, Elineide E. Marques, Rafael J. de Oliveira, Pollyanna S. Braz   +3 more
openaire   +1 more source

Aspecto estrutural e social da pesca artesanal na planí­­cie de inundação do Alto Rio Paraná

Boletim do Instituto de Pesca, 2018
Este trabalho descreve aspectos estruturais e sociais dos pescadores da planí­­cie de inundação do alto Rio Paraná, localizada entre os reservatórios de Porto Primavera e Itaipu (PR) e circundada por 26 hidrelétricas a montante, que controlam a ...
Adriana Rosa Carvalho
doaj  

APORTES A LA DISTRIBUCIÓN GEOGRÁFICA DE Rondonia rondoni TRAVASSOS, 1920 (ASCARIDIDA, ATRACTIDAE), PARÁSITO DE Pterodoras granulosus (SILURIFORMES, DORADIDAE), EN EL SISTEMA PARANÁ MEDIO (SANTA FE, ARGENTINA)

Natura Neotropicalis, 2016
Se registró la presencia de Rondonia rondoni (Ascaridida, Atractidae)en la provincia de Santa Fe, extendiendo su distribución geográficahacia el Sistema Paraná Medio, región central de Argentina. Los pa-rásitos fueron extraídos del tracto digestivo de Pterodoras granulosus(Pisces, Doradidae) y conservados en el Museo Provincial de CienciasNaturales F ...
Carlos Virasoro, Silvia H. Gervasoni, Silvina B. Chemes   +2 more
openaire   +1 more source

Three invasive species occurring in the diets of fishes in a Neotropical floodplain

Brazilian Journal of Biology
The composition of the diets of 66 species of fishes was investigated from September 2009 to June 2010 in three subsystems of the Upper Paraná River floodplain (Brazil), following invasion by the two mollusk species Limnoperna fortunei (Dunker, 1857) and
A Isaac, A Fernandes, MJM Ganassin, NS Hahn   +3 more
doaj   +1 more source

CONSERVATION STATE OF SILURIFORMES FISHES FROM THE RAMSAR SITE JAAUKANIGAS (MIDDLE PARANA RIVER), ARGENTINA ESTADO DE CONSERVACION DE PECES SILURIFORMES DEL SITIO RAMSAR JAAUKANIGAS (RIO PARANA MEDIO), ARGENTINA

Gayana, 2009
The Siluriformes conservation state was quantified by means of the SUMIN index, composed by the sum of 12 outstanding variables for the species survival and/or conservation.
Elly Cordiviola, Mirta Campana, Danilo Demonte, Daniel del Barco, Alicia Trógolo   +4 more
doaj  

Morfología de Lapillus de siluriformes parano-platenses

Biología Acuática, 2019
Los otolitos de los peces son complejos policristalinos, compuestos principalmente por carbonato de calcio. El lapillus suele ser el otolito más conspicuo de los peces siluriformes.
Daniela V. Fuchs, Alejandra V. Volpedo
doaj