イトマキエイalso: いとまきえいイトマキエイじ字FuriganaMeanings1nounspinetail devil ray; Japanese devil rayusually written using kana aloneA species of ray (Mobula japanica). The name is usually written in katakana as イトマキエイ.イトマキエイは日本にほん近きん海かいで見みられるエイの一いっ種しゅです。