[South Korea's fish and shellfish imports from Japan decreased by 30% in May] according to trade statistics disclosed by the South Korean Customs Agency on the 19th local time, South Korea's fish and shellfish imports from Japan in May decreased by more than 30% compared with the same period last year, and maintained the momentum of decline for two consecutive months, and fish and shellfish imports also decreased compared with the same period last year. South Korean media analysis said that with Japan's Fukushima nuclear power plant nuclear sewage discharge time approaching, the impact is expected to gradually appear.