Freshwater Biodiversity
See a ghost 'fairyland' forest reemerge in Florida
How 600-lb. megafish became a collector’s item in Thailand
One of Earth’s biggest freshwater fish is bouncing back
These 'trash fish' are among Earth's most primitive animals
These fish live beyond 100—and get healthier as they age
A surprising discovery upends what we know about turtles
Why we still haven’t caught the world’s largest fish
Turn your family hike up a notch by going ‘creeking’
Enormous stingray sets world record for largest freshwater fish
The quest to save one of Africa's most threatened fish
Saving North America’s biggest freshwater fish
Will dams spoil one of Europe’s last wild rivers?
Rare sturgeon threatened by new dams in Caucasus
Rivers and lakes are the most degraded ecosystems in the world. Can we save them?
The world’s wetlands are slipping away. This vibrant sanctuary underscores the stakes.
load more
Legal
Terms of Use
Privacy Policy
Your US State Privacy Rights
Children's Online Privacy Policy
Interest-Based Ads
About Nielsen Measurement
Do Not Sell or Share My Personal Information
Our Sites
Nat Geo Home
Attend a Live Event
Book a Trip
Buy Maps
Inspire Your Kids
Shop Nat Geo
Visit the D.C. Museum
Watch TV
Learn About Our Impact
Support Our Mission
Masthead
Press Room
Advertise With Us
Join Us
Subscribe
Customer Service
Renew Subscription
Manage Your Subscription
Work at Nat Geo
Sign Up for Our Newsletters
Contribute to Protect the Planet
Follow us
National Geographic Instagram
National Geographic Facebook
National Geographic Twitter
National Geographic Youtube
National Geographic Linkedin
National Geographic Tiktok
National Geographic Reddit
United States (Change)
© 1996–2015 National Geographic Society
© 2015–2026 National Geographic Partners, LLC
