Results 71 to 80 of about 569 (162)

Feeding and morphological analysis of the digestive tract of four species of fish (Astyanax altiparanae, Parauchenipterus galeatus, Serrasalmus marginatus and Hoplias aff. malabaricus) from the upper Paraná River floodplain, Brazil

Brazilian Journal of Biology
The present study is inspired by the great wealth of species exhibited by the ichthiofauna. Not only concepts and techniques of ecology deserve attention, but also knowledge in other biological areas, such as zoology and anatomy, are necessary.
D. Peretti, IF. Andrian
doaj   +1 more source

The fish fauna of Brokopondo Reservoir, Suriname, during 40 years of impoundment

Neotropical Ichthyology
We investigated long-term changes in the fish fauna of Brokopondo Reservoir, Suriname, the first large reservoir (1560 km²) that was created in tropical rainforest. Before closure of the dam in 1964, the fish fauna of Suriname River had 172 species, high
Jan H. Mol, Bernard de Mérona, Paul E. Ouboter, Shamita Sahdew   +3 more
doaj   +1 more source

Carbon sources and trophic position of the main species of fishes of Baía River, Paraná River floodplain, Brazil

Brazilian Journal of Biology, 2003
In order to verify the carbon source and trophic position of the main species of fishes, of the Paraná River floodplain, we analysed the proportion of stable carbon (delta13C) and nitrogen (delta15N) isotopes in muscle of fishes sampled in the rainy ...
Manetta G. I., Benedito-Cecilio E., Martinelli M.   +2 more
doaj  

Serrasalmus elongatus Kner 1858

Serrasalmus elongatus Kner 1858 Distribution Widespread Amazonia, Orinoco. Notes Galacatos et al. (2004).
Escobar-Camacho, Daniel, Valdiviezo-Rivera, Jonathan, Carrillo-Moreno, Carolina, Argüello, Pablo, Swing, Kelly   +4 more
openaire   +2 more sources

Serrasalmus maculatus Kner 1858

, 2008
Published as part of The, Stefan Koerber, 2011, List of Freshwater Fishes from Argentina - Update 12., pp.
openaire   +4 more sources

Ion fluxes and hematological parameters of two teleosts from the Rio Negro, Amazon, exposed to hypoxia

Brazilian Journal of Biology
The aim of this study was to describe the effect of hypoxia on whole body ion fluxes and hematological parameters in two Amazonian teleosts: Serrasalmus eigenmanni and Metynnis hypsauchen. The increase of Na+ and Cl- effluxes on M.
B. Baldisserotto, AR. Chippari-Gomes, NP. Lopes, JEPW. Bicudo, MN. Paula-Silva, VMF. Almeida-Val, AL. Val   +6 more
doaj   +1 more source

Diet and seasonal distribution of piranha populations in the São Miguel River, Rondônia, Brazil

Boletim do Instituto de Pesca
This study analyzed the spatial and seasonal distribution of piranha species and their respective diets. Samples were collected monthly from August 2020 to July 2021 using various types of fishing gear in different sections of the river.
Eloi Bispo Bezerra-Neto, Raniere Garcez Costa Sousa, Jaine Albino Alves, Charles Hanry Faria Junior   +3 more
doaj   +1 more source

Alimentação da pirambeba Serrasalmus spilopleura Kner, 1858 (Characidae; Serrasalminae) em um reservatório do Sudeste brasileiro - DOI: 10.4025/actascibiolsci.v27i4.1331

Acta Scientiarum: Biological Sciences, 2008
Foram estudados aspectos da alimentação de 158 exemplares de Serrasalmus spilopleura capturados no reservatório de Porto Colômbia, localizado no rio Grande, bacia do rio Paraná, no período entre novembro de 2001 e agosto de 2002.
André Corrêa Costa, Luis Fernando Salvador Junior, Fabricio Flavio Theophilo Domingos, Marina Luisa Fonseca   +3 more
doaj   +1 more source

Factors determining the structure of fish assemblages in an Amazonian river near to oil and gas exploration areas in the Amazon basin (Brazil): establishing the baseline for environmental evaluation

Zoologia (Curitiba), 2015
Determining the significance of biotic and abiotic factors in the structuring of fish assemblages in freshwater environments is an important question in ecology, particularly in view of environmental changes caused by man.
Igor David Costa, Carlos Edwar de Carvalho Freitas   +1 more
doaj   +1 more source

Curva de maturação gonadal e crescimento de fêmeas de pirambeba, Serrasalmus spilopleura Kner, 1859 (Pisces, Cypriniformes)

Boletim do Instituto de Pesca, 2018
O objetivo do presente trabalho é determinar o comprimento e a idade em que se inicia a primeira maturação sexual de fêmeas de Pirambeba, Serrasalmus spilopleura. Os valores obtidos,através da anilise da curva de maturação, ajustados pela equação de von
A Mota, J.D. Rodrigues, M.N. de Morais, A. E. Ferreira   +3 more
doaj