Covers all the shallow-water reef fish commonly seen by snorkelers. Combines the best features of an e-book and an app. Flip through screens like pages of a book, or find a fish quickly by its color or shape. Each fish has a video clip too. - For beginning and intermediate snorkelers. (Super-experienced snorkelers, free divers, and dedicated fish nerds might prefer the Pro version.) - Covers 175 most commonly seen shallow-water reef fish. - Fish organized by family group, color, shape, scientific name, Hawaiian name. - Multiple photos of most fish. Videos of all fish. - Notes on fish behavior, ecology, stories, legends, more. - 23 recommended snorkel beaches: photos, online maps, notes. - Logbook: Save fish, add / edit notes, email Logbook (text only). ** Videos require internet connection ** Created by John Hoover, author of Hawaii's best-selling marine life ID books: The Ultimate Guide to Hawaiian Reef Fishes, and: Hawaii's Sea Creatures, a Guide to Hawaii's Marine Invertebrates. Check them out on Amazon.