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Research Article

ScienceAsia 27 (2001) : 165-168 |doi: 10.2306/scienceasia1513-1874.2001.27.165


Trace metals in Penaeid shrimp and Spiny lobster from the Bay of Bengal

Md Shahadat Hossaina,* and Yusuf Sharif Ahmed Khanb

ABSTRACT: Seasonal variation of trace metal (Cu, Pb, Zn, Ni, Cd, Mn, Fe and Cr) concentrations in abdominal tissue and cephalothorax of Penaeid shrimp (Penaeus monodon) and Spiny lobster (Panulirus polyphagus) from the offshore fishing grounds of the Bay of Bengal, Bangladesh coast were analyzed from January to December 1996 by atomic absorption spectrophotometry. Metal concentrations (g.g-1 dry weight) ranged from 12.2 to 75.6 for Cu, 0.8 to 3.8 for Pb, 17.5 to 105.1 for Zn, 2.8 to 8.9 for Ni, 0.2 to 0.6 for Cd, 3.1 to 15.2 for Mn, 9.0 to 110.0 for Fe and 1.7 to 4.9 for Cr. Concentrations of metals in the muscle tissue (abdomen) were found to be lower than in the cephalothorax and the levels do not pose a health hazard for consumers. This is the first report of these elements in Penaeid shrimp and Spiny lobster from the Bay of Bengal.

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a Integrated Tropical Coastal Zone Management, Asian Institute of Technology Mail Box # 866, P.O. Box # 4, Klongluang, Pathumthani 12120, Thailand.
b Institute of Marine Sciences, University of Chittagong, Chittagong-4331, Bangladesh.

* Corresponding author, E-mail: hossainms@yahoo.com

Received 12 Feb 2001, Accepted 25 Jun 2001