Western Fisheries Research Center

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Weighing sturgeon
September 30, 2006

Researcher weighing a sturgeon

Researcher weighing sturgeon.  Columbia River, bottom trawl for young-of-year (YOY) indexing.

Koi infected with spring viremia of carp virus
August 2, 2006

Investigation and Disease Prevention of Spring Viremia of Carp Virus

Typical clinical signs of disease, pop eye, dermal hemorrhages, abdominal distension, and hemorrhages at the base of fins, displayed in koi infected with spring viremia of carp virus (SVCV).

Juvenile herring with classic signs of VHS
June 1, 2005

Juvenile herring with classic signs of VHS

Juvenile herring with classic signs of VHS including focal hemorrhaging around the eyes, mouth, and fin bases.

Researcher works at microscope
May 12, 2005

Researcher working at the microscope

Researcher, works at the microscope, Marrowstone Marine Field Station, Nordland, WA.

Image: White Sturgeon (Acipenser transmontanus)
February 10, 2005

White Sturgeon (Acipenser transmontanus)

Juvenile white sturgeon held by human hand. Columbia River, bottom trawl for yoy indexing.

Image: Weighing a White Sturgeon
February 10, 2005

Weighing a White Sturgeon

Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.

Implanting transmitter, white sturgeon
February 1, 2005

Researchers surgically implanting transmitter, white sturgeon

Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.

Implanting transmitter, white sturgeon
February 1, 2005

Researchers surgically implanting transmitter, white sturgeon

Researchers preparing to surgically implant transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.

Implanting transmitter, white sturgeon
February 1, 2005

Researchers surgically implanting transmitter, white sturgeon

Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.

Particle size analysis of the surface riverbed material
December 31, 2004

Particle size analysis of the surface riverbed material

Gary Barton (USGS) and Jeff Laufle (U.S. Army Corps of Engineers) carried out a particle size analysis of the surface riverbed material on the right bank (facing downstream) of the Snake River about three miles below Ice Harbor Dam near Burbank, WA.

Marrowstone Marine Field Station
April 28, 2004

Marrowstone Marine Field Station

Image of the Western Fisheries Research Center, Marrowstone Marine Field Station.  Looking east toward Puget Sound.