This comprehensive manual promotes a deeper understanding of fish, their environment and the diseases that affect them. Providing a healthy environment is a crucial responsibility for all fishkeepers. And yet, recognizing and coping with pests and diseases may become a regrettable necessity, even in the most well-maintained systems. This book explores both these vital aspects of health care for all types of fishes -- freshwater and marine, tropical and temperate, pond and aquarium. AN EXCELLENT RESOURCE MANUAL. EVERY FISHKEEPER SHOULD HAVE A COMPREHENSIVE HEALTH REFERENCE MANUAL LIKE THIS ONE. COMPLETE SECTION ON TREATMENT! CONTENTS: HOW TO USE THIS BOOK CHAPTER 1 -- THE BALANCE OF HEALTH CHAPTER 2 -- LIVING IN WATER CHAPTER 3 -- UNDERSTANDING WATER CHEMISTRY CHAPTER 4 -- PLANNING FOR HEALTH CHAPTER 5 -- RECOGNIZING ILL HEALTH CHAPTER 6 -- AN A-Z OF COMMON PESTS AND DISEASES CHAPTER 7 -- A GUIDE TO TREATMENT INDEX Wonderful color photographs and illustrations. Book measures approximately 6 7/8" x 9 3/4" x 5/8"