The origin of imported hairtail covers many countries. Hairtail is a kind of fish widely distributed all over the world, so different countries have imported hairtail producing areas. These countries include Argentina, Ireland, Australia, Pakistan, Brazil, Iceland, Denmark, Germany, Russia, Ecuador, the Philippines, South Korea, the Netherlands, Canada, Ghana, Lithuania, Malaysia, Mauritania, the United States, Bangladesh, Myanmar, Morocco, South Africa, Japan, Senegal, Saudi Arabia, Sri Lanka, Suriname, Somalia, Thailand and Tanzania. The geographical location and climatic conditions of these countries have an influence on the growth and fishing of hairtail, so they become the producing areas of imported hairtail.