Determination of Lm50, Fecundity, Sex Ratio and Spawning Seasons the Bigeye Scad (Selar crumenophthalmus (Bloch, 1793)) in Persian Gulf (Hormozgan province)

The reproductive cycle the Bigeye scad (Selar crumenophthalmus) were studied from a total of 340 specimens of Bigeye scad collected in Hormuzgan waters between September 2011 and August 2012. Weight-length relationships for Bigeye scad was W = 0/032L 2/8352 Lm50 for Bigeye scad was 19 cm. Studies show that due to the length and weight of the fish is an isometric growth. Sex ratio(femail : male) for Bigeye scad 1/05:1. Maximum absolute and relative fecundity for Bigeye scad were 102841 and 581/02 respectively. Spawning seasons Bigeye scad obtained between Feb and jun . It is best to catch this species in spawning season to be prevented