books.google.com - More than 200 species of tropical fish receive detailed attention in a directory, all with photographs and information about habits, requirements, mating, and at-a-glance facts. See how to set up different tanks for a variety of fish and effects (including those with no fish at all—only flora). Go...http://books.google.com/books/about/The_Pocket_Guide_to_the_Care_and_Mainten.html?id=AzBBzzop8QwC&utm_source=gb-gplus-shareThe Pocket Guide to the Care and Maintenance of Aquarium Fish