50 Fish, 50 States: Rudd of South Dakota

Many invasive fish are well known and well publicized. But you might not have heard about rudd.

Matthew L. Miller

Meet the Dipper, the Songbird That Swims

Meet North America’s only aquatic songbird.

Justine E. Hausheer

Dead Drift: Adding Salmon Carcasses to Streams

Salmon feed an entire ecosystem. But what if the fish are gone?

Kris Millgate

50 Fish, 50 States: Yellowstone’s Native Fish

Yellowstone’s large mammals get the attention, but the park’s underwater wildlife is special, too.

Matthew L. Miller

The Rainbows of Bristol Bay

Research on the rainbow trout of Bristol Bay reveals the complexity of this watershed.

Matthew L. Miller

Expanding the Successful Sustainable Rivers Program

Dams aren’t going away. But a successful program better manages them for people and nature.

Matthew L. Miller

50 Fish, 50 States: Razorback Sucker Nursery

A new project in Utah gives endangered fish a fighting chance.

Matthew L. Miller

Got Floods? Protecting Floodplains Could Be a Cheap Way to Reduce Damages

In many places in the U.S., $1 invested in floodplain protection today can return at least $5 in savings from avoided flood damages in the future.

Cara Cannon Byington

Story type: TNC Science Brief

The Living Benefits of East Coast Dam Removal

Removing obsolete dams offer dramatic benefits for fish, the economy and the future.

Matthew L. Miller

Hellbenders Need You to Stop Messing With Their Bedrooms

That streamside rock cairn you posted on Instagram? It’s killing ancient salamanders.

Christine Peterson

50 Fish, 50 States: Trout at 11,000 Feet

Fishing for a (formerly) extinct fish in the Colorado Rockies.

Matthew L. Miller

Radio Tracking a Rare Crayfish

The Guyandotte crayfish was thought to be extinct. But it’s back.

John McCoy