据日本《朝日新闻》报道,东京大学海洋研究所塜本胜已助教授在1991年7月26日发表报告说,1991年6月下旬～7月22日该研究所调查研究船《白凤丸》在菲律宾东侧海沟附近34个地点,成功地采集到孵化2周、体长10毫米的日本鳗鲡幼体991尾。从鳗鲡幼体分布状况和海流等来看,日本鳗鲡的产卵场在北纬14° According to Japan’s “Asahi Shimbun” reported that the University of Tokyo Institute of Oceanography Professor Takahashi won the report on July 26, 1991 published a report from late June 1991 to July 22 the Institute survey ship “Baifeng Wan” A total of 991 Japanese larvae of Anguilla japonica were collected for 2 weeks and 10 mm in length at 34 sites near the eastern trench in the Philippines. From the distribution of juvenile eels and lakes and other current situation, the Japanese eel 鲡 spawning ground at latitude 14 degrees