Results 51 to 60 of about 774 (171)

Effect of temperature on the predation rate of the pearl cichlid (Geophagus brasiliensis) on the channeled applesnail (Pomacea canaliculata)

Latin American Journal of Aquatic Research, 2014
An experiment was conducted to evaluate the effect of temperature on the intensity of predation upon snails. The experiment was run for 60 days using 15 cement tanks with water temperatures of 18, 22, 26, 30 and 34°C in a completely randomized design ...
Ariany Rabello da Silva, Mário Roberto Chim Figueiredo   +1 more
doaj   +1 more source

Water level influences on body condition of Geophagus brasiliensis (Perciformes: Cichlidae) in a Brazilian oligotrophic reservoir

Neotropical Ichthyology
Effects of water level fluctuations on body condition of Geophagus brasiliensis were studied in a 30 km² Brazilian oligotrophic reservoir. Physiological condition (K) and gonadosomatic index (GSI) were compared according to water level (low and high ...
Alejandra Filippo Gonzalez Neves dos Santos, Luciano Neves dos Santos, Francisco Gerson Araújo   +2 more
doaj   +1 more source

Estudo da dieta natural de peixes no reservatório de Ribeirão das Lajes, Rio de Janeiro, Brasil - DOI: 10.4025/actascibiolsci.v27i4.1270

Acta Scientiarum: Biological Sciences, 2008
O presente estudo objetivou conhecer a dieta natural de espécies residentes no reservatório de Ribeirão das Lajes (RJ), sendo realizada a análise do conteúdo estomacal de peixes capturados por meio de redes de espera, em duas épocas distintas.
Ana Carolina Monteiro Iozzi Dias, Christina Wyss Castelo Branco, Vanessa Guimarães Lopes   +2 more
doaj   +1 more source

Mapping the hidden diversity of the Geophagus sensu stricto species group (Cichlidae: Geophagini) from the Amazon basin. [PDF]

PeerJ, 2021
Ximenes AM, Bittencourt PS, Machado VN, Hrbek T, Farias IP.   +4 more
europepmc   +1 more source

ESTUDO DO EFEITO PROTETOR DA PROLACTINA CONTRA OS DANOS CAUSADOS PELO MERCÚRIO NO PEIXE GEOPHAGUS BRASILIENSIS

Anais do III Congresso Brasileiro de Biotecnologia On-line, 2023
José Roniele do Nascimento Monteiro, Renata Cunha Sílva, Jofre Jacob da Silva Freitas, L. Lima, C. Rocha   +4 more
semanticscholar   +1 more source

Austrodiplostomum compactum (Lutz, 1928) (Digenea, Diplostomidae) in the eyes of fishes from Paraná river, Brazil - doi: 10.4025/actascibiolsci.v34i2.9337

Acta Scientiarum: Biological Sciences, 2011
Parasitological indexes of Austrodiplostomum compactum (Digenea, Diplostomidae) in fishes from the Paraná River, Presidente Epitácio region, state of São Paulo, Brazil, and their relationship with climate and water quality are evaluated.
Rosemeire de Souza Santos, Natalia Marchiori, Vamilton Alvares Santarem, Haroldo Kazuyuki Takahashi, José Luis Pedreira Mourino, Maurício Laterça Martins   +5 more
doaj   +1 more source

Toxicity of naphthalene in the Neotropical Fish Astyanax Lacustris (Characiformes: Characidae) and Geophagus Brasiliensis (Perciformes: Cichlidae)

, 2017
Polycyclic aromatic hydrocarbons are one of the most important organic pollutants in environmental studies. The aim of this study was to assess the naphthalene acute toxicity in two fish species, Astyanax lacustris (LLcust, 1875) and Geophagus ...
G. R. Disner, S. Calado, H. Assis, M. Cestari   +3 more
semanticscholar   +1 more source

Variação sazonal dos metazoários parasitos de Geophagus brasiliensis (Perciformes: Cichlidae) no rio Guandu, Estado do Rio de Janeiro, Brasil = Seasonal variation of metazoan parasites of Geophagus brasiliensis (Perciformes: Cichlidae) from the Guandu river, State of Rio de Janeiro, Brazil

Acta Scientiarum: Biological Sciences, 2010
O presente trabalho estuda a variação sazonal dos metazoários parasitos de Geophagus brasiliensis do rio Guandu, Estado do Rio de Janeiro, Brasil. Para isso foram realizadas quatro coletas trimestrais de 50 espécimes de G.
Adriano Reder de Carvalho, Luiz Eduardo Roland Tavares, José Luis Luque   +2 more
doaj  

Austrodiplostomum compactum (Lutz, 1928) (Digenea, Diplostomidae) in the eyes of fishes from Paraná river, Brazil=Austrodiplostomum compactum (Lutz, 1928) (Digenea, Diplostomidae) em olhos de peixes do rio Paraná, Brasil [PDF]

Acta Scientiarum: Biological Sciences, 2012
Parasitological indexes of Austrodiplostomum compactum (Digenea, Diplostomidae) in fishes from the Paraná River, Presidente Epitácio region, state of São Paulo, Brazil, and their relationship with climate and water quality are evaluated.
Maurício Laterça Martins, José Luis Pedreira Mourino, Haroldo Kazuyuki Takahashi, Vamilton Alvares Santarem, Natalia Marchiori, Rosemeire de Souza Santos   +5 more
doaj  

Metazoan Parasites of Geophagus proximus , a Cichlidae Fish from the Eastern Amazon (Brazil)

, 2017
The present study investigated the fauna of metazoan parasites of a Geophagus proximus population from the lower Tapajos River, in the state of Para, northern Brazil. A total of 137 monogeneans were collected from the gills of G.
M. S. Oliveira, Lincoln Lima Corrêa, Liliane de Araújo Castro, Letícia da Silva Brito, M. Tavares‐Dias   +4 more
semanticscholar   +1 more source