True Wild Life | Ishikawa's Frog | Ishikawa's Frog is the most beautiful frog in Japan. Forests are disappearing and rivers are becoming dirty. Ishikawa's frog is in danger. Amphibians have trouble changing when their environment changes. They have a purple and green pattern that looks like moss. It hides them from their enemies.The population of Okinawajima is designated as a natural monument by