Reproductive dynamics and population structure of Hoplias aff. malabaricus (Bloch, 1794) (Characiformes, Erythrinidae) in the dam lake of the Taperoá River Basin, Paraíba

Márcio Frazão Chaves, Torelli Jane, Carlos Henrique Targino, Maria Cristina Crispim

Journal Article: Biotemas 01/2009;

Abstract

This work aims to verify the reproductive dynamics and growth of the Hoplias aff. malabaricus species in the Taperoá II dam lake (07º11’44”S, 07º13’44”S), located in the basin of the River Taperoá in the Cariri region of Paraiba. Sixty-seven individuals were collected (August-December 2002, January-February, May and June 2003) by means of gillnets and cast nets. The interference of the rain regimen in the reproductive behavior and the structure of growth of the species were observed after the macrocospic analysis of the gonads of the collected units.

Source: DOAJ

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Keywords

August-December 2002
 
Cariri region
 
gillnets
 
Hoplias aff
 
macrocospic analysis
 
nets
 
reproductive behavior
 
reproductive dynamics
 
River Taperoá
 
Taperoá II dam lake