Heavy metal exposure risk associated with ingestion of Oreochromis niloticus and Coptodon kottae harvested from a lacustrine ecosystem

从湖泊生态系统中捕获的尼罗罗非鱼（Oreochromis niloticus）和科氏鲃（Coptodon kottae）可能存在重金属暴露风险。