The Great Lakes Fish Finder is an interactive field guide. Look up and identify fishes, submit sightings and join a community of Great Lakes enthusiasts to help you classify your finds. The Great Lakes Fish Finder is an initiative of Shedd Aquarium’s Daniel P. Haerther Center for Conservation and Research.

Identify
Snap a picture with the app and submit it for help determining which species you've found.

Keep Track
Log the fish that you’ve found to keep a record of all of the amazing species you’ve discovered!

Make a Difference
The Great Lakes Fish Finder data informs scientific studies and learning tools. Sightings you submit may help identify and combat the spread of invasive species that threaten our lakes.

Credits
Designed and built by iNaturalist LLC in partnership with Shedd Aquarium. Guide content © Shedd Aquarium.