The research determined the concentrations of Arsenic (As), Cadmium (Cd), Copper (Cu) and Lead (Pb) in the myonematic tissues of selected frozen marine fish species purchased from markets in Warri town, Delta state, Nigeria, in order to ascertain their suitability for human consumption, in the wake of paucity of data regarding the metal levels in such fish in the town, employing Atomic Absorption Spectrometric technique. The mean concentrations of heavy metals in Trachurus trachurus ranged from below detection limit (BDL) for As in all markets to 0.81 mg/kg (Cu) at Igbudu market with significant differences (P
Key words: Frozen fish, heavy metals, toxicity quotient
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