The authoritative information and advice you need, illustrated throughout with full-color photographs?now revised and redesigned to be even more reader-friendly!A saltwater aquarium provides a soothing, ever-changing mini seascape of color and motion. But saltwater fish require a constant, controlled environment. How do you set up and maintain a tank and select the right fish from more than 12, 000 varieties? How do you care for marine fish? This updated guide provides the facts and advice you need and includes: Info on choosing, equipping, and setting up your aquarium Pointers on choosing compatible fish for a community tank The scoop on the best (and worst) fish for beginners Guidance on maintaining your aquarium and keeping your fish healthy