This book is prepared for considering the graduate and post-graduate students those study Fish and Fishery Science and Zoology in College and University level. The authors of this book have taught Pisciculture and aquarium keeping at graduate level for many years and fishery science at post-graduate level. This is an ideal text book for zoology students with specialization in Pisciculture and Aquarium Keeping. The authors are doing research from many years in the areas of fish reproductive physiology, induced breeding of fishes, culture, management of fish farm, culture of various ornamental fishes in aquarium and their induced breeding. This book is mainly divided into two parts, first part Pisciculture consists of rearing, biology, physiology, management of fresh water fish farm, brackish water farm, various methods of fish culture, sewage culture, induced breeding technique of various fishes, harvesting marketing, fish seed production technology and transportation etc. Part Second Aquarium Keeping mainly consists of culture of various ornamental fishes in aquarium at home, their biology, physiology, breeding, construction of aquarium, maintenance of aquarium etc. This book will also useful for those who are developing fish farm, culture of ornamental fishes at home. The authors tried to collect up to date information and compiled in the form of a book to gain the students maximum information.