What does it look like? Grape cluster like tumor. Walleye dermal sarcoma produces warty growths commonly seen on the fish's skin and fins. Growths are usually gray-white or pinkish in color. | |
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Fish species affected: |
This disease is only seen in walleye. |
Life cycle: |
Infections occur throughout the year but at a higher rate during the walleye's spring spawning season. Walleyes congregate on their spawning grounds and the virus spreads from fish to fish through physical contact. |
Where is the disease is found? |
Found predominantly in the Upper Midwest and Great Lakes Region. Occurs throughout Minnesota. |
Is it safe to eat? |
The disease is not known to infect humans. As always, cook fish thoroughly. |
How can I prevent the spread? |
There are no practical ways to control this disease. |
Disposal of unused portions: |
Skin of infected walleye should be buried or disposed with household waste. Fish entrails should never be discarded back into the lake. |
