The aim of this subject is to get information about reproduction, nutrition and larvae and juvenile nursing of the most important species of ornamental fish, which have been reared in decorative tanks and aquariums. Students of this subject will meet summary of systematic nomenclature of ornamental fish during education of this subject. Main attention will be pay to reproduction, physiology and ethology of important species of ornamental fish. During lessons of this subject students will get information about: history of intensive rearing of ornamental fish in the Czech Republic and the whole world, technical equipment of aquaria and tanks for rearing of ornamental fish, intensive methods of cultivation of live feeding for ornamental fish reared under controlled conditions.