Book excerpt: This important publication has been completely revised and expanded by 29 authors from the UK and USA for an international readership. It is extensively illustrated and intentionally practical with a large new section on systematic disorders that will aid disease diagnosis. This book covers all aspects of ornamental fish health including: environmental needs, the aquatic trade, fishkeeping, disease investigation, systematic disorders, infectious and non-infectious diseases, medical and surgical therapies, relevant legislation and health & safety. Although written primarily for veterinarians, this book is an essential reference for anyone involved in professional fish health care and for those working in the ornamental fish industry and public aquaria.