Category: Fish

Binge ‘Til You Burst: Feast & Famine on Alaskan Salmon Rivers

It’s a glorious all-you-can-eat buffet — followed by months of starvation. The inner workings of a salmon stream are even wilder and more complex than you imagined. New research sheds light on life in a feast and famine world.

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A Sucker (Myth) Is Born Every Minute

Everything you’ve heard about suckers is probably wrong. But could a new generation of anglers and self-described “fish nerds” not only rescue the sucker’s image, but point a new way for freshwater conservation?

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New Research Makes A Strong Case for Fish Passage

Using fish ear bones and lasers, Conservancy scientist Steve Herrington shows that efforts to help the Alabama shad complete its migration up Florida’s Apalachicola River are working.

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In Synch: Char & Salmon Migrations in Warming Waters

In Southeast Alaska, salmon are changing their annual migration patterns due to warming waters. Will one of their main predators — Dolly Varden char — adapt to the change?

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Salmon Cam 2014: A Live Look at Migratory Fish

This fall, we’re pleased to return Salmon Cam, a live view at the Chinook and coho salmon and steelhead trout that are spawning on The Nature Conservancy in California’s Shasta Big Springs Ranch.

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Big Gulp: How Often Do Trout and Grayling Eat Mammals?

Many anglers know that trout eat the occasional mouse or shrew. But how often does this actually occur? New research from Bristol Bay on the dietary habits of rainbow trout and grayling suggests this answer: More often than you think.

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Coasts at Risk Report Expands Thinking on Natural Hazards

Nature has an important role in preparing for, and recovering from, natural disasters on coasts around the world. A new report substantiates the link.

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Can Ancient Paddlefish Coexist with Modern Dams?

Paddlefish have been swimming rivers in North America for some 70 million years. But they’ve had difficulty adapting to dams. Can restoring healthy river flows restore paddlefish? An experiment underway at Caddo Lake on the Texas-Louisiana border hopes to find answers.

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Lake Yellowstone: Promising News for Native Trout Recovery

Great news on the invasive species front: lake trout in Yellowstone National Park are on the decline, offering a more hopeful future for native fish. A two-year control effort based on the latest fisheries science is paying dividends, researchers say.

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Imagine Rivers Full of Migrating Fish

Make no mistake: when it comes to migratory fish, sometimes science requires the art of imagination. Conservation planner Josh Royte celebrates World Fish Migration Day and the hope offered by river restoration.

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Pupfish: Conserving a Mojave Desert Survivor

Sure, desert pupfish are tough. Hot water temperatures? They thrive in it. Creeks saltier than the ocean? No problem. But now pupfish face a bigger challenge — people and their need for lots of water.

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Whale Sharks: Swimming with the World’s Largest Fish

They’re the largest fish in the world, not to mention one of the most fascinating. Marine blogger Alison Green jumps into the clear waters of the Gulf of California for a close encounter.

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Mola Mola: The Weirdest Fish in the Ocean?

When it hatches, this species is the size of a pinhead but will grow to be the heaviest bony fish in the ocean—and the weirdest. Meet the Mola mola.

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Chasing Cod: Tracking a Fish to Save an Industry

Cod is as much a part of Eastern Massachusetts as the Red Sox. But the fishery has been in long-term decline. Can tracking cod help save them…and an industry?

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Conserving Lake Trout Among the Philosophers

Can well-managed lakes in the Adirondacks provide important refuges for lake trout in the face of climate change? That’s the focus of a new intensive research effort being conducted at Follensby Pond, where philosophers once pondered life’s mysteries.

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The Ospreys Are Back!
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