This volume gives detailed instruction on creating and maintaining proper seawater chemistry, then advises on introducing coral, crustaceans, fishes, and other saltwater life species to produce an authentic and thriving marine aquarium. Titles in the brand-new Mini Encyclopedia series present comprehensive guidance for aquarium hobbyists, each volume offering in-depth coverage of a complete subdivision of fish keeping. Each book's authoritative main text is amplified with beautifully designed panels that present vivid, instructive color photos and illustrations, all of them accompanied by information-packed captions and annotations. The authors--all recognized experts and contributors to aquarium magazines--instruct on setting up an aquarium, selecting species, and maintaining an optimal environment for the tank's aquatic animal and plant life. Each volume features approximately 250 color photos and illustrations.