Results 11 to 20 of about 59 (46)

Infection by Austrodiplostomum compactum metacercariae in fish from the Nova Avanhandava reservoir, Tietê river, São Paulo State, Brazil - doi: 10.4025/actascibiolsci.v32i3.5675

Acta Scientiarum: Biological Sciences, 2010
This study aimed to evaluate the infection by the Austrodiplostomum compactum metacercariae in fishes from the Nova Avanhandava Reservoir, low Tietê river, São Paulo State, Brazil. The parasites were collected from eye (aqueous and vitreous humor), fixed
Jaciara Vanessa Krüger Paes, Edmir Daniel Carvalho, Reinaldo José Silva   +2 more
doaj   +1 more source

Diet and ecomorphological relationships of four cichlid species from the Cuiabá River basin

Neotropical Ichthyology
Relationship between diet and morphology of cichlid were analyzed considering that the trophic apparatus determines differential food use among species.
Gisele C. Novakowski, Fernanda A. S. Cassemiro, Norma S. Hahn   +2 more
doaj   +1 more source

The more stirring the better: cichlid fishes associate with foraging potamotrygonid rays

Neotropical Ichthyology
One hunting tactic of freshwater rays (Potamotrygonidae), termed "undulate the disc and stir substrate", is here reported to attract cichlids at two sites in the upper Paraná River.
Domingos Garrone-Neto, Ivan Sazima
doaj   +1 more source

Relação entre fator de condição relativo (Kn) e abundância de ectoparasitos de brânquias, em duas espécies de ciclídeos da bacia do rio Paraná, Brasil = Relation between the relative condition factor (Kn) and the abundance of gill ectoparasites in two species of cichlids from the Paraná river basin, Brazil

Acta Scientiarum: Biological Sciences, 2008
Foram analisados 33 espécimes de Satanoperca pappaterra, capturados entre março de 2004 e junho de 2005, na planície de inundação do alto rio Paraná e 33 espécimes de Crenicichla niederleinii, capturados entre novembro de 2005 e novembro de 2006, no ...
Fábio Hideki Yamada, Ricardo Massato Takemoto, Gilberto Cezar Pavanelli   +2 more
doaj  

Infection by Austrodiplostomum compactum metacercariae in fish from the Nova Avanhandava reservoir, Tietê river, São Paulo State, Brazil = Infecção por metacercárias de Austrodiplostomum compactum em peixes do Reservatório de Nova Avanhandava, rio Tietê, Estado de São Paulo, Brasil

Acta Scientiarum: Biological Sciences, 2010
This study aimed to evaluate the infection by the Austrodiplostomum compactum metacercariae in fishes from the Nova Avanhandava Reservoir, low Tietê river, São Paulo State, Brazil. The parasites were collected from eye (aqueous and vitreous humor), fixed
Jaciara Vanessa Krüger Paes, Edmir Daniel Carvalho, Reinaldo José Silva   +2 more
doaj  

Relationships between morphology, diet and spatial distribution: testing the effects of intra and interspecific morphological variations on the patterns of resource use in two Neotropical Cichlids

Neotropical Ichthyology
Considering th e morphology, diet and spatial distribution of Satanoperca pappaterraand Crenicichla britskii (Perciformes: Cichlidae) in the Upper Paraná River floodplain (Brazil), the following questions were investigated: (1) Could the body shape ...
Ana Lúcia A. Sampaio, João Paulo A. Pagotto, Erivelto Goulart   +2 more
doaj   +1 more source

Conhecimento ecológico tradicional da ictiofauna pelos quilombolas no Alto Guaporé, Mato Grosso, Amazônia meridional, Brasil

Boletim do Museu Paraense Emílio Goeldi. Ciências Humanas
Resumo O objetivo desta pesquisa foi estudar o conhecimento ecológico tradicional (CET) relacionado à pesca feita por grupo étnico autoidentificado como quilombola, por meio da análise de fatores que influenciam o consenso cultural e as técnicas da pesca
Joari Costa de Arruda, Carolina Joana da Silva, Nilo Leal Sander, María Teresa Pulido   +3 more
doaj   +1 more source

Trophic position of bottom-feeding fish in the Upper Paraná River floodplain

Brazilian Journal of Biology
The δ15N composition of bottom-feeding fish (iliophagous = Apareiodon affinis, Cyphocharax nagelii, Prochilodus lineatus, Steindachnerina brevipinna and S.
CA. Lopes, E. Benedito, LA. Martinelli
doaj   +1 more source

Relationships between morphology, diet and spatial distribution: testing the effects of intra and interspecific morphological variations on the patterns of resource use in two Neotropical Cichlids

Neotropical Ichthyology, 2013
Considering th e morphology, diet and spatial distribution of Satanoperca pappaterra and Crenicichla britskii (Perciformes: Cichlidae) in the Upper Paraná River floodplain (Brazil), the following questions were investigated: (1) Could the body shape
Ana Lúcia A. Sampaio, João Paulo A. Pagotto, Erivelto Goulart   +2 more
doaj  

Three-dimensional modelling, disparity and ecology of the first Cambrian apex predators. [PDF]

Proc Biol Sci, 2021
De Vivo G, Lautenschlager S, Vinther J.
europepmc   +1 more source