Freshwater Migratory Fish are in Trouble All Over the World

The Living Planet Index reports a staggering 81% average decline in global freshwater migratory fish populations since 1970.

Cara Cannon Byington

Story type: TNC Science Brief

Marsh on the Move

In Georgia, researchers are testing the mettle of the marsh and beginning to track its shifts.

Jenny Rogers

Peatlands Are One of Earth’s Most Underrated Ecosystems

Five places that show the importance of peatlands as allies against climate change.

Ayla Norris Smith

Meet the World’s Largest Freshwater Crayfish

National Geographic Society & TNC extern Zoe Starke shares her experience studying the 13-pound Tasmanian giant crayfish.

Zoe Starke

What Does Urbanization Mean for Melbourne’s Platypus?

National Geographic Society & TNC extern Brendan Cohen recounts his kayak journey along the Yarra River, where platypus are under threat from urbanization.

Brendan Cohen

A Future with Sturgeon: A Personal Journey with Dinosaur Fish

National Geographic Society & TNC extern Joseph Hill recounts his experiences helping to protect Atlantic sturgeon.

Joseph Hill

50 Fish, 50 States: Bass of the Waterfalls

The shoal bass faces some serious threats. But a new legion of fans bring hope for this species.

Matthew L. Miller

Photographing Eels in the Dark 

An artist turns her camera to the slippery, elusive and endangered American eel.

Jenny Rogers and Christine Fitzgerald

The Search for America’s Tiniest Turtles

In Massachusetts, a team is restoring wetlands and using some old-school ways to track bog turtles process.

Jenny Rogers

Borax Lake Chub: Conserving a High Desert Survivor

This fish has adapted to a lake high in arsenic and heavy metals. But human activity poses a greater challenge.

Matthew L. Miller

Can You Help a Fish Imprint On a River?

Scientists hope that incubating eggs in a river might help reverse a historic whitefish decline in the Great Lakes.

Jenny Rogers

50 Fish, 50 States: Bartram’s Bass

Bass fishing can be one of life’s simple pleasures. It also demonstrates that humans have a nearly infinite capacity to overcomplicate things.

Matthew L. Miller