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Metazoan parasites of Geophagus brasiliensis (Perciformes: Cichlidae) in Patos lagoon, extreme south of Brazil [PDF]
Brazilian Journal of Veterinary Parasitology, 2015 Abstract This study has evaluated the parasitic fauna of 79 pearl cichlids (Geophagus brasiliensis) from the estuary of Patos Lagoon (31° 57' S and 52° 06' W), Rio Grande do Sul, Brazil, during the months of May and June in 2011 and 2012. All the hosts analyzed were infected with at least one species of parasite.
Joaber Pereira Junior
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Liquid Storage of Geophagus brasiliensis semen in the Presence of Different Extenders.
Cryo letters, 2021In order to preserve the genetic diversity of cichlid fish in gene banks, it is necessary to use certain extenders to maintain the integrity of spermatozoa cells during cooling.To evaluate the effects of different extenders on the quality parameters of cooled semen of Geophagus brasiliensis.Semen samples were collected from seven adult fish and diluted
J S, Caldas +7 more
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Trends of karyotypical evolution in the pearl cichlid, Geophagus brasiliensis, from southern Brazil
Zoology, 2013Chromosomal rearrangements such as inversions can facilitate speciation even in the presence of gene flow. The present study aims to analyze the karyotypic variation in six populations of Geophagus brasiliensis from southern Brazil. All specimens showed 2n=48 chromosomes, but three karyotypes were found to have one, two or three pairs of submetacentric
Giselle X, Perazzo +4 more
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Environmentally related life history variations in Geophagus brasiliensis
Journal of Fish Biology, 2002The hypothesis of environmentally related life history variations between two Geophagus brasiliensis populations was investigated by comparing riverine and lacustrine populations. Mean standard length and length at maturity were higher in the lagoon population.
R. Mazzoni, R. Iglesias‐Rios
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Environmental Toxicology and Pharmacology, 2019
The ornamental stone industry generates considerable amounts of waste (OSPW), which may eventually reach natural environments and impact the local ecosystem. The aim of this study was to compare the toxic effects of two OSPW effluents in Geophagus brasiliensis: i) leachate effluent from a lagoon in an OSPW landfill (LE) and ii) decanted effluent from ...
Graciele Petarli Venturoti +5 more
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The ornamental stone industry generates considerable amounts of waste (OSPW), which may eventually reach natural environments and impact the local ecosystem. The aim of this study was to compare the toxic effects of two OSPW effluents in Geophagus brasiliensis: i) leachate effluent from a lagoon in an OSPW landfill (LE) and ii) decanted effluent from ...
Graciele Petarli Venturoti +5 more
openaire +2 more sources