Where are salmon most endangered?
Certain populations of sockeye salmon, coho salmon, chinook salmon, and Atlantic salmon are listed as endangered. Sockeye salmon from the Snake River system are probably the most endangered salmon. Coho salmon in the lower Columbia River may already be extinct. Salmon are not endangered worldwide. For example, most populations in Alaska are healthy. Some populations in the Pacific Northwest are much healthier than others. These healthy populations usually occupy protected habitats such as the Hanford Reach on the Columbia River and streams of Olympic National Park.
Learn more: Questions and Answers about Salmon
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Water managers explore new strategies to protect fish in California’s Bay Delta
The water in the Delta arrives primarily from the Sacramento and San Joaquin Rivers, supplying water for more than 22 million people. This water source supports California’s trillion-dollar economy—the sixth largest in the world—and its $27 billion agricultural industry.
In Hot Water: Climate Change is Affecting North American Fish
Climate change is already affecting inland fish across North America -- including some fish that are popular with anglers. Scientists are seeing a variety of changes in how inland fish reproduce, grow and where they can live.
Community flood protection may also help endangered salmon to thrive
Building a river setback levee to reduce the risk of flood for a community may also help endangered fish species to thrive, according to the results of a novel computer model reported by the U.S. Geological Survey.
Wild Atlantic Salmon Found in New York's Salmon River
Scientists recently discovered wild young Atlantic salmon in New York's Salmon River. This is the first time in more than a century that salmon produced naturally in the wild have been found in what was once New York's premier salmon stream. Forty-one wild Atlantic salmon were collected in June and July. All of the salmon were under one year old and ranged in length from about 2 – 2.5 inches.
Bear predation on salmon can be high in many Alaskan rivers.
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Radio-tagged Kasilof River coho salmon
Radio tagged coho salmon from the Kasilof River in Alaska
Chinook Salmon
Chinook Salmon. Photograph courtesy of Michael Humling, U.S. Fish and Wildlife Service
Acoustic-tagged juvenile Chinook salmon being released
Acoustic-tagged juvenile Chinook salmon being released.
An Alaskan Sockeye Salmon. USGS photo gallery. BLM photo.
Coho salmon
Coho salmon spawning on the Salmon River in northwestern Oregon. This photo was taken during a coho spawning survey conducted by the Bureau of Land Management in November 2014.
PubTalk 5/2014 — Endangered Desert Fish to Human Hepatitis E
The diversity of USGS fisheries research has wide ranging applications
by Jill Rolland, Western Fisheries Research Center Director
- Recovering Cutthroat Trout in California
- River restoration and fish repopulation
- Endangered suckers in Upper Klamath Lake, Oregon
- Using a fish virus as a model for
Salmon Are Carefully Released Using Buckets
Thousands of young Atlantic salmon are being released into Salmon River in an effort to restore this diminished Lake Ontario fish population, extending the sport fishing season by at least two months in Oswego County, N.Y.
During fall 2011 and spring 2012, U.S. Geological Survey scientists will stock Beaverdam, Orwell, and Trout Brooks and the main stem of the
...Salmon Are Carefully Released Using Buckets
Thousands of young Atlantic salmon are being released into Salmon River in an effort to restore this diminished Lake Ontario fish population, extending the sport fishing season by at least two months in Oswego County, N.Y.
During fall 2011 and spring 2012, U.S. Geological Survey scientists will stock Beaverdam, Orwell, and Trout Brooks and the main stem of the
...Sockeye Salmon
Animated GIF of a Sockeye Salmon swimming in the water. This image comes from a video that depicts adult Sockeye Salmon in Drano Lake, WA on July 15th and 16th 2015.