一、前言 　　1999年我国水产品产量达 4100万吨，持续保持世界第一位，水产品的进出口增幅在我国副产品中居于前列。据统计， 1999年我国水产品对外贸易总量达到 265.32万吨，贸易总额 44.3亿美元，进出口的贸易顺差 18.5亿美元。在进口的水产品中，鳗苗进口量为 154吨，金额 I. Introduction In 1999, the output of aquatic products in China reached 41 million tons, ranking first in the world. The import and export of aquatic products have enjoyed a leading position in China’s by-products. According to statistics, in 1999, the total volume of China’s foreign trade in aquatic products reached 2.65322 million tons, with a total trade volume of 4.43 billion U.S. dollars and a trade surplus of 1.85 billion U.S. dollars. In imports of aquatic products, eel imports of 154 tons, the amount