Estrutura populacional e indicadores reprodutivos de Scomberomorus brasiliensis Collette, Russo e Zavala-Camin, 1978 (Perciformes: Scombridae) no litoral ocidental maranhense - DOI: 10.4025/actascibiolsci.v27i4.1272

Geuza Cantanhêde da Silva; Antonio Carlos Leal de Castro; Éder André Gubiani

doi:10.4025/actascibiolsci.v27i4.1272

Population structure and reproductive index of Scomberomorus brasiliensis Collette, Russo & Zavala-Camin, 1978 (Perciformes: Scombridae) in western coast of Maranhão - DOI: 10.4025/actascibiolsci.v27i4.1272

Geuza Cantanhêde da Silva UEM
Antonio Carlos Leal de Castro Universidade Federal do Maranhão
Éder André Gubiani UEM

DOI: https://doi.org/10.4025/actascibiolsci.v27i4.1272

Abstract

The aim of this study was to investigate the influence of gonadal and nutritional index on the reproductive behavior of Scomberomorus brasiliensis Collette, Russo and Zavala-Camin, 1978 (Perciformes, Scombridae) of the western coast of Maranhão, from June 2001 to July 2002. There was a significant dominance of females when considering the total experimental period. The length/weight relationship did not show a significant difference between the sexes in reference to the alometry coefficient. Analyses of the maturation curve, based on the monthly mean values variation of the gonadosomatic and hepatosomatic relation, and the condition factor, suggest that the reproductive period occurs from March to June. It was observed that the losses of body and liver weight occurred during the gonodal maturation and reproductive processes. The variation analysis of the repletion index mean values showed that the fishes exhibited better feeding conditions before and after the reproductive season

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Author Biography

Geuza Cantanhêde da Silva, UEM

possui graduação em Ciências Biológicas pela Universidade Federal do Maranhão (2002) e mestrado em Ecologia de Ambientes Aquáticos Continentais pela Universidade Estadual de Maringá (2006). Tem experiência na área de Ecologia, com ênfase em Ecologia de Peixes, atuando principalmente nos seguintes temas: biologia e alimentação Currículo Lattes

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Published

2008-03-24

How to Cite

Silva, G. C. da, Castro, A. C. L. de, & Gubiani, Éder A. (2008). Population structure and reproductive index of Scomberomorus brasiliensis Collette, Russo & Zavala-Camin, 1978 (Perciformes: Scombridae) in western coast of Maranhão - DOI: 10.4025/actascibiolsci.v27i4.1272. Acta Scientiarum. Biological Sciences, 27(4), 383-389. https://doi.org/10.4025/actascibiolsci.v27i4.1272

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Issue

Vol 27 No 4 (2005)

Section

Ecology and Limnology

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