Western Fisheries Research Center
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Figure 3. Appearance of Descaling Site Exposed to Fast Green FCF Dye
Figure 3. Appearance of descaling site exposed to fast green FCF dye 96 hours after intentional descaling injury, showing lack of scales, presence of fast green staining in areas of epidermal disruption and absence of staining in areas where migrating epidermal cells have closed the wound.
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Figure 4. Scanning Electron Micrograph of Descaling Area
Figure 4. Scanning electron micrograph of descaling area delimited by box in Figure 3 showing epidermal disruption (arrows), empty scale pockets and restoration of epidermal integrity (asterisk). An exposed scale with visible concentric ridges is visible at the lower center. Scale bar = 500 µm.
Researcher weighing a sturgeon
Researcher weighing sturgeon. Columbia River, bottom trawl for young-of-year (YOY) indexing.
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).
Downloading data during a flood on the Klamath River
Downloading data during a flood on the Klamath River.
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 working at the microscope
Researcher, works at the microscope, Marrowstone Marine Field Station, Nordland, WA.
White Sturgeon (Acipenser transmontanus)
Juvenile white sturgeon held by human hand. Columbia River, bottom trawl for yoy indexing.
Weighing a white sturgeon
Weighing a juvenile white sturgeon. Columbia River, bottom trawl for yoy indexing.
Researchers surgically implanting transmitter, white sturgeon
Researchers surgically implanting transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.
Researchers surgically implanting transmitter, white sturgeon
Researchers preparing to surgically implant transmitter, white sturgeon, for passage study. Columbia River near The Dalles Dam.