Book excerpt: Covering all aspects of subsistence and commercial aquaculture as practiced across the globe, this fully revised new edition from two leading world authorities in the field is set in two parts: principles and practices, and covers in detail recent developments in: History and planning Nutrition Reproduction and genetic selection Production statistics and economics Integrated aquaculture Sustainability and environmental effects (new chapter) All cultured species groups are addressed, from freshwater and marine fish to shellfish and seaweeds. Essential new facts and data have been included throughout. This comprehensive work is an essential purchase for all those studying aquaculture and is a valuable source of reference for all personnel involved in the aquaculture industry; including those working in fish farms, research institutions, teaching posts in universities and commercial establishments such as aquaculture equipment and feed supply companies. Libraries in all universities and research establishments will find this book an important addition to their shelves.