Pathology and an extensive guide to diagnosis and treatment, given by Terry Fairfield, author of "A Common Sense Guide To Fish Health."

Common causes and symptoms of stress, with explanation of its deleterious effects on fish health.

Water changes, chemistry of tap water and common treatment methods.

Includes in-depth articles from the University of Florida on common and rare disorders including Aeromonas, Amyloodinium, Enteric Septicemia, Iridovirus, Hexamita, Mycobacteriosis and Streptococcal. Various parasites, nutrition and fish health management.

Collection of articles on various common disorders.