バットフィッシュMeanings1nounbatfishRefers to fish of the family Ephippidae, especially the species Platax teira (also called ツバメウオ). Used in biological and aquarium contexts.See also: ツバメウオ水すい族ぞく館かんでバットフィッシュを見みた。I saw a batfish at the aquarium.