A current and comprehensive handbook for the diagnosis and treatment of fish diseases in freshwater and saltwater aquariums, as well as in garden ponds. What is unique about this book is that it covers all three areas. It is also extremely informative and richly illustrated. The authors place a special emphasis on disease prevention through optimal care conditions. Therefore, the fundamentals of water chemistry are presented in a comprehensive and easily understandable manner. It includes a chapter on the homeopathic treatment of fish written by Yvonne Krutzki. Dr. Chris Andrews wrote his dissertation on fish diseases and currently works at the South Carolina Aquarium. Adrian Exell is a fish farmer and designs products for the aquarium industry. Dr. Neville Carrington is a pharmacist and focuses on the development of medications and other products for aquarium fish.