This is the first edition of a classic collection of different aspects of fish healthcare, diseases and management. The book ’;Fish Diseases’ provides the circumstantial description of frequently prevalent bacterial, viral, fungal, parasitic, nutritional deficiency, toxicity and miscellaneous diseases of fish along with management and vaccination and the all topics of the new VCI course of BVSc & AH entitled ’;Aquatic animal diseases, health care and management in accurate and up-to-date manner. This book is intended for students, scientists, academic community and others those involved in the fish industry.