Annual reproductive cycle and spawning ecology of Kelee shad, Hilsa kelee were studied. The sex ratios did not exhibit as 1: 1; whereas 69.19% were females. On the basis of histological examination, the maturity of female gonads of H. kelee was categorized in eight developmental stages: immature, developing, fully developed, hydrated, running ripe, partially spent, spent and post spawning. Whereas males of this species were categorized in five developmental stages: immature, developing, ripe, partially spent and spent. This fish is repeatedly spawner and spawns twice per year: in April to June and August to October. The values of exponent b in the length weight regressions (W = al b ) slightly varied in males b = 3.133, R 2 = 0.96 and P < 0.01 and females b = 3.143, R 2 = 0.95 and P < 0.001. The linear regressions of length-weight relationships were significant for both males and females.
Russian Journal of Marine Biology – Springer Journals
Published: Mar 27, 2012
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