Tuna is a saltwater predator fish species that have a wide variety of species. Having a variety of sizes, colors and intensity of flavor. Tuna can be found in temperate and subtropical waters in Atlantic Ocean, Mediterranean and Black Sea. Indonesia is one of country with the largest tuna fishing and has been exported to Thailand, Tiongkok, Jepang, Amerika Serikat, & Uni Eropa. China is a country that was ranked number one who consumed tuna, then Japan and the United States. Tuna has lots of omega 3, vitamin D, protein and low in calories.