Book excerpt: Clownfishes and damselfishes are among the most popular aquarium species, particularly for beginning aquarists. Written by a recognized authority on marine ornamental fishes, this comprehensive guide covers topics essential to keepers of these beautiful aquatic pets, including selection, feeding, water requirements, diseases, breeding, and more. The book also explains which species are ideal for the home aquarium and which species to avoid. Full-color photos show over 20 species of clownfish and damselfish, while sidebars, charts, and tip boxes illustrate key points to consider.