香鱼是一种小型经济鱼类,它具有黄瓜味,被称为香鱼,我省有的地区称为“海胎鱼”。这种鱼分布在我国沿海几个省份(辽宁、河北、山东、福建、浙江、台湾)的河流和水库中。香鱼分“陆封型”和“洄游型”二个类别,据文献记载,我国台湾省和辽宁省的大伙房水库中有“陆封型”的香鱼,我省目前还未发现“陆封型”香鱼,只有洄游型的种类。在50年代至60年中期,我省香鱼产量约为3～4万斤左右,最大个体达半斤以上。但从60年代中期至今,由于兴修水利、工业污水等因素影响,香鱼产量逐年下降,鱼的个体也逐渐变小,目 Ayu is a small economic fish, it has a cucumber flavor, known as sweetfish, some areas in our province known as “marine fish.” The fish are distributed in rivers and reservoirs in several provinces along the coast of China (Liaoning, Hebei, Shandong, Fujian, Zhejiang and Taiwan). According to the records in the literature, there are “sylvite” ayu in Dahuofang Reservoir in Taiwan Province and Liaoning Province of our country. So far, the province has not yet discovered the “Lu” type and the “migratory type” Seal type "sweetfish, only migratory type. In the mid-1950s to mid-60s, the production of sweet alaska in our province is about 3 to 4 kg, with the largest individual reaching more than half a catty. However, since the mid-1960s, the production of sweetfish has been declining year by year due to the construction of water conservancy and industrial sewage, and the number of fish has gradually decreased.