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Relação peso-comprimento e fator de condição de <em>Cichla kelberi</em> (Perciformes, Cichlidae) introduzidos em um lago artificial no Sudeste brasileiro

2008; Editora da Universidade Estadual de Maringá (Eduem); Volume: 30; Issue: 2 Linguagem: Inglês

10.4025/actascibiolsci.v30i2.300

ISSN

1807-863X

Autores

Leandro Muller Gomiero, Gilberto Aparecido Villares, Felipe Naous,

Tópico(s)

Fish Ecology and Management Studies

Resumo

The length-weight relationship and condition factor for Cichla kelberi introduced in an artificial lake in southeastern Brazil were analyzed. By studying separately the male, female and immature individuals, different length-weight patterns were found to happen among them. The same happened when distinct seasonal variations were compared. They are related to feeding alterations and the reproductive periods. The length-weight relationship and condition factor for these fishes vary in accordance with the time of introduction, population size, the characteristics of the ecosystem, sexual maturity, as well as the intra- and interspecific interactions.

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