Fins vs Aqua Dex

Fins identifies fish, nudibranchs and other invertebrates from a photo or guided step-by-step search, in seconds, wherever you are in the world. Whether you're logging a dive in Raja Ampat, snorkeling the Great Barrier Reef, or just curious about something you spotted at the beach, Fins brings the ocean's species to your fingertips. AI Marine Species ID Upload or snap a photo and let Fins identify the species instantly. Or use guided search to narrow it down step by step, no photo needed. Dive Logbook & Snorkel Tracker Record every dive, log your sightings, and build your personal life list. Your ocean story, beautifully kept. Marine Trivia & ID Games Test your reef knowledge, earn points, and climb the leaderboard. Learning the ocean has never been this fun. Badges & Achievements Unlock badges for new species, dive milestones, and rare finds. Spot a rare nudibranch? There's a badge for that. Liveaboard & Travel Planning Browse and book liveaboards across the world's top dive destinations, all inside the app. Join the Movement Every sighting you log contributes to ocean awareness and conservation. You're not just exploring, you’re helping. Community Share sightings, solve marine mysteries together, and connect with a growing global community of ocean lovers. Who Fins Is For Divers & Snorkelers — Log dives, ID species, relive every underwater adventure. Underwater Photographers — Name your shots and build your own species collection. Liveaboard Travelers — Make the most of every surface interval. Students & Educators — A modern, visual marine field guide for the classroom or the reef. Citizen Scientists — Every sighting you log matters. Curious Explorers — Discover the ocean from anywhere on earth. Fins is your companion for exploration, learning, and conservation. Download Fins and dive smarter.

Curious about the life hidden beneath the surface? Explore over a hundred fish species with detailed descriptions, scientific names, and vivid illustrations across reefs, rivers, lakes, and icy waters. Learn how fish breathe, migrate, and fit into complex food chains through clear, engaging explanations. With AI tools that answer questions, generate images, and even help you invent new species, discovery becomes something you can shape and collect.