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ICES Journal of Marine Science: Journal du Conseil 2003 60(4):806-817; doi:10.1016/S1054-3139(03)00072-9
© 2003 by ICES/CIEM International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer
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Spatial variation in growth of the green tiger prawn (Penaeus semisulcatus) along the coastal waters of Kuwait, eastern Saudi Arabia, Bahrain, and Qatar

Y. Yea,*, J.M. Bishopa, N. Fettab, E. Abdulqaderc, J. Al-Mohammadid, A.H. Alsaffara and S. Almatara

a Mariculture and Fisheries Department, Kuwait Institute for Scientific Research Salmiya, Kuwait
b Directorate of Marine Resources, General Commission for the Protection of Marine Resources, Environment, and Wildlife Shiat, Saudi Arabia
c Bahrain Centre for Studies and Research Manama, Bahrain
d Fisheries Development Section, Ministry of Municipalities and Agriculture Doha, Qatar

*Correspondence to Y. Ye, CSIRO Marine Research, PO Box 120, Cleveland, Queensland 4163, Australia; tel: +61 7 3826 7290; fax: +61 7 3826 7222. e-mail: yimin.ye{at}csiro.au.

Shrimp (Penaeus semisulcatus) length-frequency data collected from the coastal waters of Kuwait, Saudi Arabia, Bahrain, and Qatar during a 23-month study from 1999 to 2001 were analyzed to estimate parameters of von Bertalanffy growth equation. All growth curves show a strong seasonal oscillation and a difference in size between males and females. The estimates of l{infty} exhibit a southward decreasing trend with increasing temperature and salinity. A single variable of annual mean temperature explains 94 and 81% of the variations in l{infty} for males and females, respectively. Likelihood ratio tests compared growth parameters among survey areas. A significant difference in growth was found between Kuwait and Kufji, and between Manifa and Dareen. Based on these results, we conclude that three separate populations of P. semisulcatus are present in the western Arabian Gulf: one in Kuwait, one in Kufji and Manifa, Saudi Arabia, and a third occupying Dareen, Saudi Arabia, Bahrain, and Qatar waters. Countries sharing unit stocks should implement a cooperative approach to the management of each.

Keywords: growth comparison, spatial variation, shared stocks, Arabian Gulf

Received 15 October 2002; accepted 17 March 2003.


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