図1 (IMAGE) Kobe University Caption ニホンウナギ(Anguilla japonica; 左)とオオウナギ(A. marmorata; 右) Credit 神戸大学 Usage Restrictions Please credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.