Seasonal changes in the gonadossomatic index, allometric condition factor and sex ratio of an auchenipterid catfish from eastern Amazonia

Seasonal changes in the gonadossomatic index, allometric condition factor and sex ratio of an auchenipterid catfish from eastern Amazonia

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The aim of the present study was to evaluate the seasonal pattern of the gonadosomatic index (GSI), condition factor (K), and sex ratio in the catfish Auchenipterichthys longimanus (Siluriformes: Auchenipteridae) as an approach to identify its reproductive period. A total of 589 A. longimanus specim...

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Bibliographic Details
Main Authors: Tiago Magalhães da Silva Freitas, Vitor Hudson da Consolação Almeida, Luciano Fogaça de Assis Montag, Rossineide Martins da Rocha, Nelson Ferreira Fontoura
Format: Article
Language:English
Published: Sociedade Brasileira de Ictiologia
Series:Neotropical Ichthyology
Subjects:
Auchenipterichthys longimanus
Hydrological seasons
Reproduction
Siluriformes
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400015&lng=en&tlng=en

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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400015&lng=en&tlng=en

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