Table 5.

Recent publications of mercury analysis in marine fish in Malaysia

Sampling locations	Species and no. of samples	Significant findings	References
Retail outlet in Selangor and fishes originated from the South China Sea	A total of 69 marine fish samples from 12 different species	Thunnus tonggol (0.5 μg/g DW) and Rastrelliger brachsoma (0.45 μg/g DW) had the highest level of mercury compared to other species.	Hajeb et al. (2009)
Fishermen boat at fish landings in Kuantan, Chendering, and Kuala Perlis	A total of 69 samples of short-bodied mackerel and longtail tuna	Total mercury in all samples ranged from 0.180 to 1.460 μg/g DW. Samples of both species from east coast showed higher levels compared to the west coast.	Hajeb et al. (2010)
Local LKIM fish market from Johor, Melaka, and Negeri Sembilan	A total of 162 demersal marine fish from five species	Range of Hg in muscle tissue were between 0.012 and 0.019 μg/g DW	Kamaruzaman et al. (2011)
Ten identified fish landing areas along the Strait of Malacca	A total of 60 marine fish from 12 species of most popular and preferred by local consumers	Hg levels in demersal fish ranging from 0.0017 to 0.0065 ppm WW. In pelagic fish the range was between 0.001 and 0.0065 ppm. None of the samples exceeded the permitted levels.	Alina et al. (2012)
Cabang Tiga Kelantan, Kuala Terengganu, Mersing, Parit Jawa, Port Dickson, and Langkawi	A total of 102 samples from 13 species of marine fish	Mercury levels in fish muscle ranged from less than 0.05 to 0.67 μg/g DW. The highest Hg was determined in Fork-tailed threadfin bream and bigeye scads.	Agusa et al. (2007)
Pulau Tuba, Langkawi	A total of 76 marine fish samples from eight different species	Mercury levels in fish were very much lower compared to the permissible limits set by the FAO/WHO in 1984, ranging from 0.02 to 0.08 ppm DW	Irwandi and Farida (2009)