Updated March 2024. Covers 366 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 of each fish too. Save fish you've seen in the Log Book. Sharpen your fish ID skills with flashcard-style Quiz Mode.

- Targeted to scuba divers and advanced snorkelers.
- 366 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.