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The Scientific Electronic Library Online - SciELO is an electronic library covering a selected collection of Brazilian scientific journals. The library is an integral part of a project being developed by FAPESP - Fundação de Amparo à Pesquisa do Estado de São Paulo, in partnership with BIREME - the Latin American and Caribbean Center on Health Sciences Information. Since 2002, the Project is also supported by CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico. The Project envisages the development of a common methodology for [...]

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Paper

Written Paper

Tolerance to temperature, pH, ammonia and nitrite in cardinal tetra, Paracheirodon axelrodi, an amazonian ornamental fish  [2008]

Oliveira,Sarah Ragonha de; Souza,Rondon Tatsuta Yamane Baptista de; Nunes,Érica da Silva Santiago; Carvalho,Cristiane Suely Melo de; et al.

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Poor water quality condition has been pointed out as one of the major causes for the high mortality of ornamental fishes exported from the state of Amazonas, Brazil. The purpose of the current study was to define water quality standards for cardinal tetra (Paracheirodon axelrodi), by establishing the lower and higher for lethal temperature (LT50), lethal concentration (LC50) for total ammonia and nitrite and LC50 for acid and alkaline pH. According to the findings, cardinal tetra is rather tolerant to high temperature (33.3 ºC), to a wide pH range (acid pH=2.9 and alkaline pH=8.8) and to high total ammonia concentration (23.7 mg/L). However, temperatures below 19.6 ºC and nitrite concentrations above 1.1 mg/L NO2- may compromise fish survival especially during long shipment abroad.

Bibliographic information

Language:
English
In AGRIS since:
2022
Publisher:
Instituto Nacional de Pesquisas da Amazônia
All titles:
"Tolerance to temperature, pH, ammonia and nitrite in cardinal tetra, Paracheirodon axelrodi, an amazonian ornamental fish"@eng
Other:
"Acta Amazonica v.38 n.4 2008"
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Bibliographic information

Language:
English
In AGRIS since:
2022
Publisher:
Instituto Nacional de Pesquisas da Amazônia
All titles:
"Tolerance to temperature, pH, ammonia and nitrite in cardinal tetra, Paracheirodon axelrodi, an amazonian ornamental fish"@eng
Other:
"Acta Amazonica v.38 n.4 2008"