Swordfish, shark, tilefish, fresh tuna steak, and king mackerel are the main culprits.

剑鱼、鲨鱼、方头鱼、新鲜的金枪鱼排和鲭鱼是罪魁祸首。

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Swordfish shark tilefish fresh tuna steak and king mackerel are the main culprits.

不要吃鲨鱼，箭鱼，青花鱼，或者方头鱼（白鲑鱼），因为它们含有大量的水银。

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Put chopped fresh tuna, chopped shallot, chopped coriander, chopped chive, olive oil, lemon juice and white soy sauce in a bowl , add salt and pepper, then mix well.

把吞拿鱼粒、小洋葱粒、芫荽、香葱、橄榄油、柠檬汁、日本白豉油放于碗中拌匀，加入盐及胡椒粉调味。

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Fresh tuna tossed on the grill or rolled into sushi is so much in demand that prices have followed.

CNN: Tuna making a splash in popularity

So if kept very clean and very cold and handled with care, fresh tuna can be enjoyed medium rare, rare or even raw.

CNN: Tuna making a splash in popularity

Golden Osetra caviar perfected Big Eye Tuna atop fresh bergamot and a froth of green apple.

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