Results 61 to 70 of about 582 (154)

Risk Assessment to the Health of Amazonian Indigenous For the Consumption of Fish, Meat of Hunts and Vegetables Containing Metylmercury [PDF]

open access: yes, 2018
This study was to evaluate the exposure to methylmercury (HgMe) and the potential health risk of Tupari Indians through the consumption of their main foods.
D, F. J. (Froehlich)   +7 more
core  

Parasitas de populações naturais e artificiais de tucunaré (Cichla spp.) Parasites of natural and artificial populations of Cichla spp.

open access: yesRevista Brasileira de Parasitologia Veterinária, 2009
Os ciclídeos, peixes economicamente importantes na região, foram coletados no médio rio Negro (Cichla orinocensis, C. monoculus e C. temensis) e na iIlha da Marchantaria (C. monoculus), no Amazonas e em três açudes do Piauí (C. kelberi). Para verificar a
Cleusa Suzana Oliveira de Araujo   +7 more
doaj   +1 more source

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

open access: yesNeotropical 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

Efeitos da turbidez e complexidade do habitat no consumo e seletividade de tamanho das presas de Cichla kelberi (Kullander & Ferreira, 2006) [PDF]

open access: yes, 2016
Alien species are causing various environmental impact on aquatic ecosystems throughout the world. As an example, alien fish introductions piscivorous habit have been associated with dramatic reductions in local diversity of native fish assemblages. To
Menezes, Carlos Walker Fernandes
core   +1 more source

Influence of the river flow on the structure of fish assemblage along the longitudinal gradient from river to reservoir

open access: yesZoologia (Curitiba), 2010
Changes in fish assemblage structure along a longitudinal gradient of the Paraíba do Sul River and Funil reservoir were studied to detect distribution patterns and the seasonal influence of the inflowing river.
Alex Braz Iacone Santos   +2 more
doaj   +1 more source

Uma nova espécie de Cichla (Teleostei: Cichlidae) da drenagem do médio rio Tocantins [PDF]

open access: yes, 2019
This paper analyzes the legal nature of the Municipal Public Foundations, also known as municipalities under special regime, analyzing under the perspective of the 1988 Constitution, the infraconstitutional legislation and from a local perspective.
Assis, Newton Cândido de
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A INTRODUÇÃO E DISTRIBUIÇÃO DO TUCUNARÉ-AZUL E DO TAMBAQUI NO PANTANAL CORUMBAENSE [PDF]

open access: yes, 2021
The Pantanal has unique characteristics, but similar to the Amazon Basin, especially with regard to flood cycles in both regions. Such similarities allowed introduced fish species such as the blue peacock bass (Cichla piquiti) and the tambaqui (Colossoma
Cordova Junior, Renner Fernando da Silva
core   +1 more source

Variabilidade, estrutura e caracterização genética de populações de Cichla de diferentes bacias hidrográficas brasileiras [PDF]

open access: yes, 2019
Orientador: Prof. Dr. Alberto José PrioliCoorientador: Prof.ª Dr.ª Alessandra Valéria de OliveiraTese (doutorado em Biologia Comparada) - Universidade Estadual de Maringá, 201972 f. : il. (algumas color.)
Diamante, Nathalia Alves
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Parasite Community of Cichla kelberi (Perciformes, Cichlidae) in the Três Marias Reservoir, Minas Gerais, Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária
A total of 112 specimens of yellow peacock bass, Cichla kelberi, were collected in the Três Marias Reservoir, upper São Francisco River, State of Minas Gerais, between 2004 and 2005.
Michelle Daniele Santos-Clapp   +1 more
doaj   +1 more source

EVIDÊNCIAS DE HIBRIDIZAÇÃO INTROGRESSIVA EM POPULAÇÕES INVASIVAS DE PEIXES DO GÊNERO CICHLA ( CICHLIFORMES, CICHLIDAE ) [PDF]

open access: yes, 2019
Na bacia do rio São João, região Sudeste do Brasil, as espécies de tucunaré Cichla kelberi e Cichla monoculus foram introduzidas há cerca de duas décadas e nos últimos anos têm apresentado expressivo crescimento populacional.
CATELANI, Paula Araújo   +5 more
core  

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