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

50 Fish, 50 States: The Bass of Emiquon

Chasing bass on a former cornfield turned restored wetland in Illinois.

Matthew L. Miller

Radio Tracking a Rare Crayfish

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

John McCoy

Recovery: The Once and Future Greenback Cutthroat Victory

The greenback cutthroat was lost and then found, then lost again. But now it’s back.

Ted Williams

Experimenting with Water Funds + Behavior Change

Can targeted, farm-level recommendations spark adoption at the scale needed to ensure the city of Nairobi a sustainable water supply? TNC scientists are experimenting to find out.

Stephen Wood

Meet the Mysterious Freshwater Eels of New Zealand

Meet the eels of New Zealand… they can climb ladders, live for 100 years, and migrate thousands of miles to an unknown spawning ground.

Justine E. Hausheer

Recovery: Darters and Values

Darters, the native fish once belittled as “cold slimy things,” face a more hopeful future.

Ted Williams

For Brown Bears and Salmon, It’s Not Just About Numbers

New research shows how brown bears depend on the full complexity of salmon runs to make a living.

Matthew L. Miller

River Pollution Threatens Australia’s Great Barrier Reef

Coral bleaching dominates headlines about Australia’s Great Barrier Reef, but perhaps the most dangerous threat lurks on land, far away from the reef itself.

Justine E. Hausheer

Electrofishing Threatens A Rare Dolphin-Human Partnership

Myanmar’s river dolphins have learned to fish cooperatively with humans. But illegal electrofishing threatens this rare partnership.

Justine E. Hausheer

Salmon Migrate Using Earth’s Magnetic Field

A new study shows that even nonmigratory salmon are directed by the earth’s magnetic pull.

Christine Peterson