"Discusses the sharks of the world, what they are, how they evolved, and how they thrive in their marine environment. Describes shark anatomy and adaptation, shark conservation, shark attacks, and over 450 species"--Provided by vendor.

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...