Fisheries Program

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Our fisheries researchers are world-class scientists. They conduct cutting-edge research to provide fisheries resource managers the scientific information they need to protect, restore, and enhance our Nation’s fisheries and their habitats.

Imperiled Species Research

Imperiled Species Research

Forty percent of all fish species in North America are at risk of extinction. USGS research is crucial to protect and manage at-risk species and healthy fish populations into the future.

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Drought and Ecological Flows

Drought and Ecological Flows

As part of the USGS Fisheries program, ecological flows, or the relationships between quality, quantity, and timing of water flows and ecological response of aquatic biota and ecosystems; and related ecosystem services are being investigated.

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Fisheries Research

USGS scientists study life history, population ecology, and conservation and restoration strategies for aquatic species and the habitats that sustain them.

Aquatic Habitats

Aquatic Species

Aquatic Ecosystem Conservation

Advanced Tools and Technologies

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News

Date published: February 1, 2018

Western Fisheries Science News, December 2017 | Issue 5.12

USGS Expertise and Science Leads to Ballast Water Management Solutions

Date published: December 13, 2017

Western Fisheries Science News, November 2017 | Issue 5.11

USGS and Chinese Fish Health Specialists Meet in the People's Republic of China to Discuss Fish Health

Date published: November 21, 2017

Western Fisheries Science News, October 2017 | Issue 5.10

Scientists Continue to Gain Insights into Endangered Suckers in the Klamath Basin

Publications

Year Published: 2018

Juvenile salmonid monitoring following removal of Condit Dam in the White Salmon River Watershed, Washington, 2017

Condit Dam, at river kilometer 5.3 on the White Salmon River, Washington, was breached in 2011, and removed completely in 2012, providing anadromous salmonids with the opportunity to recolonize habitat blocked for nearly 100 years. Prior to dam removal, a multi-agency workgroup concluded that the preferred salmonid restoration alternative was to...

Jezorek, Ian G.; Hardiman, Jill M.
Jezorek, I.G., and Hardiman, J.M., 2018, Juvenile salmonid monitoring following removal of Condit Dam in the White Salmon River watershed, Washington, 2017: U.S. Geological Survey Open-File Report 2018-1106, 31 p. https://doi.org/10.3133/ofr20181106.

Year Published: 2018

Ichthyophonus in sport-caught groundfishes from southcentral Alaska

This report of Ichthyophonus in common sport-caught fishes throughout the marine waters of southcentral Alaska represents the first documentation of natural Ichthyophonus infections in lingcod Ophiodon elongates and yelloweye rockfish Sebastes ruberrimus. In addition, the known geographic range of ...

Harris, Bradley P.; Webster, Sarah R.; Wolf, Nathan; Gregg, Jacob L.; Hershberger, Paul
Harris, B.P., S.R. Webster, N. Wolf, J.L. Gregg, and P.K. Hershberger. 2018. Ichthyophonus in sport-caught groundfishes from southcentral Alaska. Diseases of Aquatic Organisms 128(2):169-173.

Year Published: 2018

Estimating freshwater productivity, overwinter survival, and migration patterns of Klamath River Coho Salmon

An area of great importance to resource management and conservation biology in the Klamath Basin is balancing water usage against the life history requirements of threatened Coho Salmon. One tool for addressing this topic is a freshwater dynamics model to forecast Coho Salmon productivity based on environmental inputs. Constructing such a...

Manhard, Christopher V.; Som, Nicholas A.; Perry, Russell W.; Faukner, Jimmy; Soto, Toz
Manhard, C.V., N.A. Som, R.W. Perry, J.R. Faukner, and T. Soto. 2018. Estimating freshwater productivity, overwinter survival, and migration patterns of Klamath River Coho Salmon. U.S. Fish and Wildlife Service. Arcata Fish and Wildlife Office, Arcata Fisheries Technical Report Number TR 2018-33, Arcata, California.