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ISSN 1511-3701

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Growth, Mortality and Yield-Per-Recruit of Sergestid Shrimp, Acetes intermedius Omori, 1975 (Decapoda: Sergestidae) from Length Frequency Analysis in the Coastal Waters of Malacca, Peninsular Malaysia

S. M. Nurul Amin, Aziz Arshad, Japar Sidik Bujang and Siti Shapor Siraj

Pertanika Journal of Tropical Agricultural Science, Volume 31, Issue 1, February 2008

Keywords: Growth, mortality, recruitment, Acetes intermedius, Malaysia

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Estimates of growth, mortality and relative yield per recruit of the sergestid shrimp, A. intermedius in the coastal waters of Malacca, Peninsular Malaysia were obtained from the monthly length-frequency data. The von Bertalanffy growth function (VBGF) estimates were: L∞ = 34.65 mm total length; K = 1.5 yr -1 and t0 = -0.1004 years. Natural mortality rate (M) was 1.5 yr -1. Total mortality coefficient (Z) was estimated as 4.15 yr -1 and the exploitation ratio (E = F/Z) was 0.43. The recruitment pattern was continuous throughout the year with one major peak. The relative yield per recruit analysis predicted the maximum allowable limit of exploitation (Emax) = 0.65. The current exploitation rate E is less than the predicted Emax. Thus, the stock of A. intermedius was found to be below optimum fishing pressure (E < 0.50) in the coastal waters of Malacca, Peninsular Malaysia.

ISSN 1511-3701

e-ISSN 2231-8542

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