"Aquarium Fish: A Portrait of the Animal World" is a nonfiction book from the "Portrait of the Animal World Ser." published by Smithmark Publishers in 1996. The book, intended for adult readers, features 72 pages of information about fish and aquariums, with illustrations by the author. Focused on providing insights into the world of aquatic pets, this hardcover book in English language offers a detailed look at the various species of fish commonly found in aquariums, making it a valuable resource for those interested in the animal world.