Text Size:   A+ A- A   •   Text Only
Find     
Oregon Invasive Species Council

March 2009- Whirling Disease
Invasive Species of the Month
March 2009 Invasive Species of the month
Whirling Disease (Myxobolus cerebralis)
 
click calendar below for larger image

oisc march calendar
Photo courtesy of Stephen Atkinson, Oregon State University

What is Whirling Disease?
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
march oisc calendar

Where?
Water bodies where juvenile trout and salmon are found.
Lookalikes
no
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.
Pest Risk Assessment
Pest Risk Assessment (in pdf format)
Teacher activities
Whirling Disease (WD) Teacher Activities (in pdf format)
All months of the 2009 calendar species
All months of the Oregon Invasive Species Council 2009 calendar