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"heterosporis" in walleyes???

tjwierz2
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tjwierz2 Rising Star

tjwierz2

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Have any of you heard or seen this! I have heard of the worms in some perch on Vermilion. But apparently, this is one of the first lakes they have seen this "Heterosporis" disease in walleyes. Check of the link below.... This was news to me.


http://datcp.state.wi.us/ah/agriculture/animals/aqua/health/pdf/heterosporis.pdf

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Cliff Wagenbach Grand Master

Cliff Wagenbach

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Last year we caught over 1,400 walleyes and I cleaned over half of these fish and I never saw one case of this disease.
I have cleaned over 150 walleyes so far this season and have not found any signs of it yet.
Lets hope it is only a rare thing!!
Cliff

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Cliff's Guide Service
CliffsGuideService-LakeVermilion.com
Lake Vermilion
Phone: (218) 753-2005

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We caught a real ugly walleye on Monday morning. It was completely covered with tumors, even on the tail and dorsal fin. Almost like a fatty tumor on a Black Lab, or like the skin bubbled out. The tumors took on the color and markings of the walleye. unfortunately it fell it slipped from our hands and back into the lake. We wanted to bring it to the DNR for insprction.

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LundExplorer Rising Star

LundExplorer

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I have also seen these on walleyes from Vermilion, early in the season. Apparently these tumors are called "Walleye dermal sarcoma virus" and are apparently harmless to humans. Try doing a search for this on google.com, it should provide some links and more info. I think I read that the tumors disappear with increasing water temp which may be why some people call it the "cold water virus".

TL

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Cliff Wagenbach Grand Master

Cliff Wagenbach

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I have also caught walleyes with these tumors on them over the years. We have always called them cold water tumors.
I have fileted quite a few walleyes that didn't have too many of them on them and have found that the tumors are only on the skin and do not penetrate the flesh of the fish.
I have caught a few that looked so bad we threw them back, the bigger walleyes seem to have them more often then the smaller fish.
Cliff

------------------
Cliff's Guide Service
CliffsGuideService-LakeVermilion.com
Lake Vermilion
Phone: (218) 753-2005

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I think the technical name for this virus is Limphosistis. It can be caused by the rigors of spawning. In most cases the fish will recover and the ugly spots will go away. Sure doesn't make you want to eat one does it?
JimFish

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Its good to hear that the limphosistis is a temporary affliction, but heterosporis sounds alarming. Hopefully it does not transmit from an infected perch eaten by a walleye.

Rob

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