American food and medicaments management board once also announced 4 kinds of fish this year in january ( fish of head of shark , horse , dorado and majia fish ) mercuric content is exorbitant , knife of head of the tuna that this report suggests pregnant woman should reduce edible can again , ghost , cod reachs narrow cod , because the mercuric content of this kind of potted fish is very high also , edible also answer with mensal in the limit of 美国食品及药物治理局今年1月也曾经公布4种鱼类(鲨鱼、马头鱼、剑鱼及马加鱼)水银含量过高，该报告又建议孕妇应减少食用罐头的金枪鱼、鬼头刀、鳕鱼及狭鳕鱼，因为这类罐头鱼的水银含量也很高，食用也应以每月一次为限。
