Photo courtesy of Stephen Atkinson, Oregon State University
What is Whirling Disease?
Whirling disease is a parasitic infection caused by the non-native microscopic parasite. Its common name comes from the characteristic swimming behavior that results from the disease. Affected fish suffer reduced mobility and fertility, posing a risk to fish population health.
photo courtesy of Jerri Bartholomew - Oregon State University
March 2009 calendar events
March 2009 Oregon Invasive Species Council calendar events
click calendar below for larger image
Where?
Water bodies where juvenile trout and salmon are found.
Lookalikes
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What can you do?
To prevent the spread of the disease, never transport live fish, fish parts, animals or plants between water bodies. Always decontaminate fishing equipment when moving from one water body to another.
