Results 61 to 70 of about 325 (164)

Variações temporais e ontogenéticas na dieta de um peixe onívoro em ambiente impactado (reservatório) e em ambiente natural (baía) da bacia do rio Cuiabá = Temporal and ontogenetic diet changes of omnivorous fish in an impacted (reservoir) and in a natural environment (lagoon)

Acta Scientiarum: Biological Sciences, 2007
Neste trabalho, foram avaliadas as variações temporais e ontogenéticas na dieta de Pimelodus maculatus no reservatório de Manso e na baía Sinhá Mariana, Estado do Mato Grosso.
Edson Lourenço da Silva, Rosemara Fugi, Norma Segatti Hahn   +2 more
doaj  

Cytogenetic study of two species of the family Pimelodidae (Siluriformes) collected in lago Guaíba, Rio Grande do Sul, Brazil

Neotropical Ichthyology
A cytogenetic study was conducted on specimens of Parapimelodus nigribarbis and Pimelodus maculatus collected in the lago Guaíba drainage, Porto Alegre, Rio Grande do Sul, Brazil.
Fernando Rodrigo Treco, Luiz R. Malabarba, Lucia Giuliano-Caetano, Ana Lúcia Dias   +3 more
doaj   +1 more source

Thermal stability of soluble malate dehydrogenase isozymes of subtropical fish belonging to the orders Characiformes, Siluriformes and Perciformes

Genetics and Molecular Biology, 1998
Electrophoretic thermostability tests of soluble malate dehydrogenases (sMDH) isozymes in tissue extracts of 21 subtropical fish belonging to the orders Characiformes, Siluriformes and Perciformes showed three distinct results.
Maria do Carmo Monteiro, Maria Luiza B. Schwantes, Arno Rudi Schwantes, Maria Regina de Aquino Silva   +3 more
doaj   +1 more source

Maturation curve of the ovary of Pimelodus maculatus Lac. (Siluroidei, Teleostei)

Boletim do Instituto de Pesca, 2018
O presente trabalho tem como objetivo pesquisar, paralelamente ao estudo macro e microscópico dos estádios gonadais e dentro da metodologia mais objetiva possí­­vel, variáveis que, dependente da evolução gonadal, chegassem a constituir função da mesma e assim, permitissem-nos, simultaneamente, representá-las através de expressões matemáticas.
H. Godinho, N.A. Fenerich, M.A. Basile-Martins, J.M.B. Barker   +3 more
openaire   +1 more source

The structure of the monogenean community on the gills of Pimelodus maculatus in Río de la Plata (Argentina)

Parasitology, 1999
The Monogenea fauna was studied from the gills of the catfish Pimelodus maculatus. Fish were caught from Río de la Plata, in Buenos Aires harbour (Argentina). Five species of Monogenea were found. The structure of the monogenean community was analysed at the component and infracommunity level.
P A, Gutiérrez, S R, Martorelli
openaire   +2 more sources

Hematology, micronuclei and nuclear abnormalities in fishes from São Francisco river, Minas Gerais state, Brazil = Hematologia, micronúcleos e anomalias nucleares em peixes do rio São Francisco, Estado de Minas Gerais, Brasil

Acta Scientiarum: Biological Sciences, 2011
This study aimed to determine the variables leukocytary, erythrocytary, frequency of micronuclei and nuclear abnormalities in peripheral erythrocytes of Prochilodus argenteus, Pimelodus maculatus and Myleus micans from São Francisco river basin, Minas ...
Robson Seriani, Maria José Tavares Ranzani-Paiva, Ângela Teresa Silva-Souza, Silvia Roseli Napoleão   +3 more
doaj  

Metazoan parasite fauna of Pimelodus maculatus La Cépède, 1803 (Siluriformes, Pimelodidae) from the Guandu river, Rio de Janeiro State, Brazil = Fauna de parasitos metazoários de Pimelodus maculatus La Cépède, 1803 (Siluriformes, Pimelodidae) do rio Guandu, Estado do Rio de Janeiro, Brasil

Acta Scientiarum: Biological Sciences, 2007
Sixty specimens of Pimelodus maculatus from the Guandu River in Rio de Janeiro State were examined to describe their parasitofauna, in the period from August 1999 to February 2001.
Michelle Daniele dos Santos, Sandra Regina Lima de Castro Lemos-Pita, Marilia de Carvalho Brasil-Sato   +2 more
doaj  

Variações temporais e ontogenéticas na dieta de um peixe onívoro em ambiente impactado (reservatório) e em ambiente natural (baía) da bacia do rio Cuiabá - DOI: 10.4025/actascibiolsci.v29i4.878

Acta Scientiarum: Biological Sciences, 2008
Neste trabalho, foram avaliadas as variações temporais e ontogenéticas na dieta de Pimelodus maculatus no reservatório de Manso e na baía Sinhá Mariana, Estado do Mato Grosso.
Edson Lourenço da Silva, Rosemara Fugi, Norma Segatti Hahn   +2 more
doaj   +1 more source

Socio-economic characteristics of the Cachoeira de Emas small-scale fishery in Mogi-Guaçu River, State of São Paulo, Brazil

Brazilian Journal of Biology
Fishing 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