Due to their high methyl mercury content, limit white (albacore) tuna to 6 ounces per week and do not eat the following four types of fish: tilefish, shark, swordfish, and king mackerel.

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.