The Reef Aquarium Vol. 2 is a comprehensive guide to the identification and care of tropical marine invertebrates. Published by Ricordea Publishing in 1997, this hardcover book features 560 pages filled with detailed information on fish and aquariums. Written by Julian Sprung and J. Charles Delbeek, the book includes illustrations and is geared towards nature and pet enthusiasts looking to enhance their knowledge of marine life. With a focus on animals, specifically fish, this guide is a valuable resource for those interested in maintaining a thriving reef aquarium.