Ornamental Fish in Hobby and Harvest is a journey into the fascinating world of ornamental fishes, through informative narration, enriched with tables, photographs, and diagrams. This book comprises sixteen chapters featuring almost all the intrinsic aspects of the subject. This publication on the worthwhile biological inquest is a valuable venture to fulfil the course requirement of undergraduate and post-graduate students. The author aspires that this endeavour will be highly beneficial to researchers, hobbyists, and entrepreneurs alike.