Results 1 to 10 of about 255 (151)
Three new species of the ‘ Geophagus’ brasiliensis species group from the northeast Brazil (Cichlidae, Geophagini) [PDF]
Morphological characters and phylogenetic trees generated by analyses of segments of two mitochondrial genes cytochrome b and cytochrome c oxidase I support recognition of three new species of the ‘Geophagus’ brasiliensis species group from coastal ...
José L.O. Mattos, Wilson J.E.M. Costa
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Metal pollution assessment in a Brazilian hydroelectric reservoir: Geophagus brasiliensis as a suitable bioindicator organism [PDF]
Vossoroca is a reservoir in the Brazilian state of Paraná. Although it is located near big cities and can be used as a human water supply, it has remained unstudied. Concentrations of toxic metals and arsenic in sediments, water, liver, gills, and muscle
Halina Binde Doria +3 more
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Mesotrione herbicide promotes biochemical changes and DNA damage in two fish species [PDF]
Mesotrione is one of the new herbicides that have emerged as an alternative after the ban of atrazine in the European Union. To our knowledge, any work using genetic or biochemical biomarkers was performed in any kind of fish evaluating the toxicity of ...
L.D.S. Piancini +3 more
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As variações nas populações de parasitos em peixes podem ser indicadoras de alguma alteração ambiental. Tendo por objetivo o estudo da variação do parasitismo por Ancyrocephalinae em Geophagus brasiliensis, foram comparados dois reservatórios de ...
Rubens Riscala Madi, Marlene Tiduko Ueta
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Nematodes as indicators of environmental changes in a river with different levels of anthropogenic impact [PDF]
Considering that changes in the biodiversity of parasite communities can be used as indicators of ecosystem health, the aim of this study was to investigate the potential use of Geophagus brasiliensis parasites as bioindicators of environmental changes ...
ATSLER LUANA LEHUN +2 more
doaj +1 more source
Industrial wastewater and agricultural practices are among the main activities discharging organic pollutants, such as Polychlorinated biphenyl (PCB) congeners and organochlorine insecticides (e.g.
Claudio Nona Morado +3 more
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On some trematodes parasites of fishes from Paraná River [PDF]
Crassicutis cichlasomae Manter, 1936 is redescribed for the first time in South America and from a new host: Geophagus brasiliensis (Cichlidae). Iheringtrema iheringi Travassos, 1948 is redescribed for the first time since its original description from ...
B. M. M. FERNANDES, A. KOHN
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Relata-se a ocorrência de metacercárias de Diplostomum compactum (Trematoda: Diplostomidae) infectando Geophagus brasiliensis (Teleostei: Cichlidae) do reservatório de Barra Bonita, rio Tietê, estado de São Paulo, Brasil. As metacercárias foram coletadas
J.L.C. Novaes +3 more
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Kinetic properties and thermal stabilities of Geophagus brasiliensis skeletal muscle unfractionated malate dehydrogenase (MDH, EC 1.1.1.37) and its isolated isoforms were analyzed to examine a possible sMDH-B* locus duplication in a fixation process ...
Maria Regina de Aquino-Silva +4 more
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: Geophagus brasiliensis is a freshwater cichlid distributed throughout the whole South America. It is a territorial fish, generally omnivorous, which preferentially inhabits the bottom of water bodies.
Rodrigo Severiano Rocha +4 more
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