Biologia reprodutiva de Pachyurus bonariensis (Perciformes, Sciaenidae) na fase pré-represamento do arroio Taquarembó, Sul do Brasil
作者： Giovana I Lagemann , Clarice B Fialho , None
DOI: 10.1590/1678-476620141042216222
关键词:
摘要: This work describes aspects of the reproductive biology Pachyurus bonariensis (Steindachner, 1879) through analysis 278 specimens collected from July 2006 to 2007. The estimated period lasted October February 2007 and showed a positive correlation with photoperiod water conductivity. oocyte development was synchronous in more than two groups, characterizing species as multiple spawner. Mean absolute fecundity 39,313 oocytes relative 0.43 oocysts per milligram total weight. length first specimen mature set at 112.6 mm for females males 110.7 sex ratio population whole did not differ significantly 1:1.
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