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Weird walleye-defect or injury?


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Caught a walleye last nite that appeared perfectly normal and healthy other then the fact he had a dead/ flat eye, and a weird rounded nose and mouth. Any one care to guess is this from an injury or a growth defect when small?




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They are from Oswego. Dermal sarcoma and lymphocystis are pretty common in walleye. Both are a virus, that most visibly affect the skin. Not very harmful to the fish, and not harmful to humans. Interestingly enough, it can also cause them to turn pink, like this fish I got yesterday.


The viruses apparently spread from fish to fish when they are in large numbers close during the spawn. From what I've seen, I would say 5 to 10% of the fish in the Oneida system have it.

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