ツノダシalso: つのだしツノダシMeanings1nounmoorish idolusually written using kana aloneA tropical marine fish with bold black, white, and yellow bands and a long dorsal fin. Common in aquariums and warm seas.水すい族ぞく館かんでツノダシが群むれで泳およいでいた。A school of moorish idols was swimming at the aquarium.
