Results 41 to 50 of about 168 (133)
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
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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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Orbital: The Electronic Journal of Chemistry, 2018 Heavy metals concentration in fishes are important indicator geomorphological or environmental integrity in aquatic habitats. Aiming to evaluate metal concentration in fish muscles in Apa River, upper Paraguay basin, we analyzed 124 individuals of eight ...
Yzel Rondon Súarez +2 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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Brazilian Journal of BiologyFishing in the area of Cachoeira de Emas dates from the aboriginal Painguás who inhabited its margins. The socioeconomic conditions of the fishers and fishing are described, derived from personal interviews with 33 fishers.
J. Peixer, M. Petrere Júnior
doaj +1 more source
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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Brazilian Journal of Biology, 2013 The aquatic habitats of the Taquari-Antas river basin (in the Patos Lagoon basin, southern Brazil) are under marked environmental transformation because of river damming for hydropower production.
FG. Becker +8 more
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Revista Veterinaria, 2010 En el presente trabajo se exponen los resultados obtenidos durante cinco años consecutivos de muestreos de boga Leporinus obtusidens en dos puntos del río Paraná, Argentina, considerando a uno de ellos como zona de impacto de la represa Yaciretá y otro sitio, lejano a la misma, como zona control.
Flores Quintana, Carolina Isabel +4 more
openaire +3 more sources
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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