Easily identify and learn about over 2,500 marine species with this intuitive app. Track your sightings, build a bucket list, and upload photos. Connect with a community of experts for identification and discussion, with offline access available.





5+ similar apps compared and reviewed
Whether you want more options like WhatFish, Identification Guide or a completely different take on the same concept, our curated list of 5+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.





Easily identify and learn about over 2,500 marine species with this intuitive app. Track your sightings, build a bucket list, and upload photos. Connect with a community of experts for identification and discussion, with offline access available.



Identify fish species using AI-powered photo recognition or by asking a community of experts. Get candidate species suggestions and have answers voted on by users to ensure accuracy. Useful for fishing, water activities, or educational projects.





Plan your aquarium with confidence by checking fish compatibility, avoiding overcrowding, and discovering species that fit your tank. Browse over 1,000 fish profiles with detailed care information and use your camera to find likely matches. This guide helps both beginners and experienced aquarists make informed decisions for freshwater or saltwater setups.