Results 41 to 50 of about 172 (137)
Neotropical IchthyologyIn this study, we evaluated the fish ascent in the experimental ladder at Itaipu Reservoir (Paraná State, Brazil), in relation to diel variation, fish size, reproductive stages and species composition.
Domingo Rodriguez Fernandez +3 more
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Boletim do Instituto de Pesca, 2018 A piava (Leporinus obtusidens) é um dos principais peixes nativos cultivados e um dos mais capturados no Rio Grande do Sul. Objetivou-se, com esse trabalho, comparar o rendimento de carcaça e filé de piavas, fêmeas e machos, capturadas em ambiente ...
Andressa Mariza Ribeiro GERALDO +5 more
doaj
Revista Veterinaria, 2016 Domitrovic, H.A.; González, A.O.; Flores Quintana, C.I.; Rosciani, S.A.; Hernández, D.R.: Tumor ovárico semejante a tumor de células epitelioides perivasculares (PEComa) en boga (Leporinus obtusidens). Rev. vet. 26: 1, 63-68, 2015.
Domitrovic, Hugo Alberto +4 more
openaire +3 more sources
Tolerance of piava juveniles to different ammonia concentrations
Semina: Ciências Agrárias, 2015 The objective of this study was to evaluate the tolerance of piavas (Leporinus obtusidens) to ammonia (NH3) by measuring its effects on plasma ion levels and tissue metabolic parameters.
Carlos Eduardo Copatti +4 more
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Three invasive species occurring in the diets of fishes in a Neotropical floodplain
Brazilian Journal of BiologyThe 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 +3 more
doaj +1 more source
Acta Scientiarum: Biological Sciences, 2016 Effect of larvae of Astyanax altiparanae (AA), Piaractus mesopotamicus (PM), Leporinus obtusidens (LO) and Prochilodus lineatus (PL) on plankton communities and water quality were evaluated.
Claudemir Martins Soares +3 more
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Ecotoxicology and Environmental Safety, 2011 The effects of commercial formulation containing quinclorac and metsulfuron-methyl herbicides on acetylcholinesterase (AChE), antioxidant profile and metabolic parameters in teleost fish (Leporinus obtusidens) were studied. The fish were exposed during 90 days to commercial formulation containing quinclorac (204 μg L(-1)) and metsulfuron-methyl (5.8 μg
Alexandra, Pretto +6 more
openaire +2 more sources
Utilização de resíduos de frutas em dietas para piava
Boletim do Instituto de Pesca, 2018 A piava (Leporinus obtusidens) é um peixe nativo das regiões sudeste e sul do Brasil, de hábito alimentar onívoro e com grande potencial para a piscicultura nacional.
Rafael LAZZARI +5 more
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Swimbladder abnormalities in piapara (Leporinus obtusidens) captured downstream of the Funil Dam
Neotropical IchthyologyFish damage in hydroelectric stations has been extensively reported, but further investigations focusing on Brazilian migratory species, especially large fish, are needed.
Viviane de Oliveira Felizardo +4 more
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Acta Scientiarum: Biological Sciences, 2008 O exame das brânquias de 240 espécimes de peixes do rio Paraná, região de Porto Rico, Paraná, Brasil, mostrou que cinco espécies possuíam pequenos cistos, cuja observação revelou constituírem plasmódios de Henneguya spp. (Myxozoa, Myxosporea, Myxobolidae)
Gilberto Cezar Pavanelli +2 more
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