Results 11 to 20 of about 774 (171)

Description of the karyotype of Geophagus cf. proximus (Perciformes, Cichlidae, Geophaginae) - doi: 10.4025/actascibiolsci.v35i1.11711 [PDF]

open access: yesActa Scientiarum: Biological Sciences, 2012
This study described the karyotype of Geophagus cf. proximus. Specimens were collected in Água Preta Lake, Parque Ambiental de Belém, Pará State, Brazil.
Carlos Alberto Machado da Rocha   +3 more
doaj   +2 more sources

Unraveling the systematics and evolution of the 'Geophagus' brasiliensis (Cichliformes: Cichlidae) species complex.

open access: yesMolecular Phylogenetics and Evolution, 2020
The 'Geophagus' brasiliensis complex is one of the most abundant groups of cichlids from eastern coastal basins in South America. Traditionally, this fish group has been recognized as incertae sedis because of phylogenetic uncertainties and unclear ...
Leandro Araujo Argolo   +3 more
semanticscholar   +3 more sources

Multiple soluble malate dehydrogenase of Geophagus brasiliensis (Cichlidae, Perciformes)

open access: yesGenetics and Molecular Biology, 1998
A recent locus duplication hypothesis for sMDH-B* was proposed to explain the complex electrophoretic pattern of six bands detected for the soluble form of malate dehydrogenase (MDH, EC 1.1.1.37) in 84% of the Geophagus brasiliensis (Cichlidae ...
Aquino-Silva Maria Regina de   +2 more
doaj   +4 more sources

A new colorful species of Geophagus (Teleostei: Cichlidae), endemic to the rio Aripuanã in the Amazon basin of Brazil

open access: yesNeotropical Ichthyology, 2014
Geophagus mirabilis, new species, is endemic to the rio Aripuanã drainage upstream from Dardanelos/Andorinhas falls. The new species is distinguished from all other species of the genus by the presence of one to five large black spots arranged ...
Gabriel C. Deprá   +3 more
doaj   +2 more sources

Utilização de eugenol como anestésico em juvenis de Geophagus brasiliensis

open access: yesBoletim do Instituto de Pesca, 2018
O eugenol, substí­¢ncia ativa do óleo de cravo, tem demonstrado ser eficiente e seguro como anestésico para peixes. Neste estudo foram avaliados os efeitos de diferentes concentrações de eugenol na anestesia, tempo de recuperação, glicemia e percentual ...
Andréa Ferretto da ROCHA   +4 more
doaj   +1 more source

Geophagus brasiliensis (pearl cichlid)

open access: yesCABI Compendium, 2022
This datasheet on Geophagus brasiliensis covers Identity, Overview, Distribution, Dispersal, Diagnosis, Biology & Ecology, Environmental Requirements, Impacts, Uses, Further Information.
M. Maddern
semanticscholar   +1 more source

On some trematodes parasites of fishes from Paraná River [PDF]

open access: yesBrazilian Journal of Biology, 2001
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
doaj   +1 more source

Sedentary fish as indicators of changes in the river flow rate after impoundment

open access: yesEcological Indicators, 2021
The natural flood pulse of the Amazon basin has been altered progressively by the installation of hydroelectric dams, which have had a potentially adverse impact on the local fauna.
Yanne A. Mendes   +6 more
doaj   +1 more source

Metacercariae of Diplostomum compactum Lutz, 1928 (Trematoda, Diplostomidae) in the eyes of acara Geophagus brasiliensis Quoy & Gaimard, 1824 (Teleostei, Cichlidae) from Barra Bonita Reservoir - São Paulo, Brazil Metacercária do Diplostomum compactum Lutz, 1928 (Trematoda: Diplostomidae) em olhos de acará Geophagus brasiliensis Quoy & Gaimard, 1824 (Teleostei: Cichlidae) no reservatório de Barra Bonita - São Paulo

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
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
doaj   +1 more source

Metal pollution assessment in a Brazilian hydroelectric reservoir: Geophagus brasiliensis as a suitable bioindicator organism

open access: yesRevista Ambiente & Água, 2017
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
doaj   +1 more source

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