ASPECTOS REPRODUCTIVOS DEL PEJERREY Odontesthes regia regia (Humboldt 1821) EN LA ZONA DE PISCO DURANTE EL PERIODO 1996-97 Y MAYO-JULIO DEL 2002, RELACIONADOS CON SU CONSERVACIÓN.

Administration of fishing resources requires of basic biological information in order to maintain fishing production throughout the time. For this reason, this research was conducted aimed at providing knowledge on reproductive aspects of the Peruvian silverside Odontesthes regia regia that may serve to improve fishing management. 1590 ovaries were processed and analyzed histologically. The results were used in the reproductive cycle description and in the first gonadal maturity and fecundity estimation. The average length and first maturity length were estimated in 15 and 14 cm respectively. Batch fecundity was considered in 1 174 oocytes per batch and relative fecundity in 56 oocytes per gram of weight for the periods of greater reproductive activity (in 1996 and 2003). [ABSTRACT FROM AUTHOR]