Updated May 2021. Covers 361 fish seen by scuba divers (and all fish seen by snorkelers). Flip through screens like pages of a book, or find a fish quickly by color or shape. Up to 5 photos per fish -- showing juveniles, males, females, color variations. Videos for each fish too! And now, sharpen your fish ID skills with the new flashcard-style Quiz Mode.

- Targeted to scuba divers and advanced snorkelers.
- 361 species / 950+ photos
- Identify fish by color, shape, family group, name (common, scientific, or Hawaiian).
- Videos of all fish (requires internet)
- Flashcard-style quiz mode.
- Links to Fishbase and Reef.org for each fish.
- Logbook: save fish, add notes, share Logbook.
- Works great on iPads too.

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.