* ICLARM is now known as WorldFish Center

Naga - The *ICLARM Quarterly
Vol. 23, No. 4 (October - December 2000)

Population Parameters of Small Pelagic Fishes Caught off Tawi-Tawi, PhilippinesI.E. I.E. Aripin and P.A.T. Showers

Growth and mortality parameters, exploitation rates and annual recruitment patterns were estimated from monthly length-frequency samples for Sardinella longiceps, S.fimbriata, S.albella, Decapterus macrosoma , Dipterygonatus balteatus, Rastrelliger faughni and Encrasicolina heteroloba. These results provide the first sets of stock parameter estimates for these species off Tawi-Tawi, Philippines. The growth parameters derived were found comparable with previous estimates available for the same species from other localities. Recruitment was noted to be year-round and bimodal. Estimates of fishing mortality and exploitation rate were found to be presently above appropriate levels.

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