セダカスズメダイMeanings1nounJapanese gregoryA species of damselfish (Stegastes altus) found in Japanese waters. Scientific name is the primary identifier.セダカスズメダイは伊い豆ず半はん島とう以い南なんの岩がん礁しょう域いきで見みられる。The Japanese gregory is found in rocky reef areas south of the Izu Peninsula.