9 Cool Freshwater Fish You’ve Never Heard Of

Do you know the hardhead? The chiselmouth? Celebrate freshwater biodiversity with these cool fish.

Matthew L. Miller

50 Fish, 50 States: Whitefish & the End of the World as We Know It

You can’t freeze time, even when ice fishing

Matthew L. Miller

Can Freshwater Reserves Protect Tropical Fish Diversity?

A new paper details the conservation success of community-led freshwater reserves in Thailand.

Matthew L. Miller

Ranger Rick: A Garish Origin Story

A career dedicated to a prehistoric fish begins with Ranger Rick.

Solomon David

50 Fish, 50 States: Cutthroat Connections

A search for native cutthroats offers connections in a crazy year.

Matthew L. Miller

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

An Overlooked Threat to Freshwater Fisheries? Bowfishing

Bowfishing is often unregulated and unstudied. And that could be a big problem for native fish.

Matthew L. Miller

Fish Fence: Yard Décor Becomes Lionfish Control

Lattice fencing offers a new hope in controlling the lionfish invasion.

Kris Millgate

A Field Guide to Freshwater Fish Watching

Your guide to enjoying the fish in your local stream.

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

How Do You Count Sharks When You Can’t See Them?

Scientists are studying coastal shark communities around coral reefs by looking at what the animals leave behind: pieces of their skin.

Cara Cannon Byington

Story type: TNC Science Brief