One of the applicable methods of breeding in aquatic animals in order to enhance the production vigor in aquaculture is hybridization than can accompany with different features of parents or combination of their special features. Up to now, several hybrids of aquatic animals, particularly fishes, that produced naturally or artificially, have been reported. Also there have been several hybridization in reproduction and breeding industry of ornamental fish, that this study introduce them. Scientific documentations about these hybridizations are few, and most of the texts in internet are experiences of ornamental fish enthusiasts. There are disagreements about parental species in most of the hybridization, and various studies maybe consider different parental species for a hybrid, and finally it must be said that more researches about ornamental fish hybridization are required.