硬こう骨こつ類るいMeaningsNoun1. bony fishes; OsteichthyesKanji used硬hard like a rock骨bone類kind (of something)Composed of硬こう骨こつbone; firmness (of character); backbone; unyielding spiritNoun類るいkind; sort; type; class; genus; order; family; similar example; parallel; the likeNoun