Science and Education Publishing American Journal of Public Health Research 2327-6703 2 5A 2014 09 21 Trace Metal Accumulation in Tissue of Sea Cucumber Species; North-Western Sea of Sri Lanka 1 5 EN Jinadasa B.K.K.K. Institute of Post Harvest Technology, National Aquatic Resources Research and Development Agency, Crow Island, Mattakkuliya, Colombo 15, Sri Lanka Samanthi R.I. Wicramsinghe I. AJPHR201425A1 10.12691/ajphr-2-5A-1 2014 09 05 2014 09 15 2014 09 21 The presence of copper (Cu), iron (Fe), zinc (Zn), lead (Pb), cadmium (Cd), cobalt (Co), chromium (Cr) and mercury (Hg) has been studied in ten sea cucumber (Holothurians) species in the Northwestern sea of Kalpitiya and Dutch Bay area (Sri Lanka) during October- November 2008 and 2009. The concentration of in holothurians body wall have been found to range from 1.84-9.18 mg/kg (Cu), 5.03-56.68 mg/kg (Fe), 3.68-24.38 mg/kg (Zn), <0.04-4.70 mg/kg (Cr), 0.04-2.29 mg/kg (Pb), 41.62-128.93 μg/kg (Cd), 0.07-0.25mg/kg (Co) and 24.63-445.69 ̦g/kg (Hg) in dry weight basis. The results show that, according to European legislation, the body wall of holothurians is generally“safe”, although the high levels of iron in all holothurians are noticeable.