Of which, tuna exports are expected to rise by 12% to US$507 million, squid and octopus exports by 10% to US$470 million and crab and sea fish by 13% to US$1.3 billion.According to statistics from the General Department of Vietnam Customs, seafood exports rose by nearly 6.4% to US$1.45 billion in the first quarter of this year, of which two key products – shrimp and tra fish grew 8% and 2.4%, respectively.VASEP reported that raw material supply for the seafood processing industry and exports are sustainable as fishing output rises and fishermen are supported by the Government and authorities to apply advanced technologies in fishing and fish preservation to improve the quality of products.Seafood output in the first four months of this year is estimated to reach more than 1 million tons, up 3%.Ocean tuna output also jumped high. In the first four months, 8,413 tons of tuna were caught in major fishing grounds in the provinces of Binh Dinh, Khanh Hoa and Phu Yen.