What are these lumps on my fantail fish?


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I have a 3,500 gallon outdoor pond with filter, uv light, and aerator. I have a mix of 7 koi and goldfish. One of the fantails is presenting with multiple small lumps all over its body. I have tried to treat it by adding 40 lbs of salt slowly over 4 days. Then i turned off uv light and aerator and added a bottle of Melafix everyday for 4 days. I did a 30% pond change everyday for 4 days and no luck...lumpy bumps are still there. All of the fish eating well and behaving normally. Can anyone help me? What is this and how do I get rid of it? I have attached a pic of the fish in question.
20160427_082332.jpg
 

Meyer Jordan

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Fish Pox. Not usually fatal. Is not treatable as it is caused by a virus. Usually a symptom of poor water quality. Other fish may or may not contract it. In many instances will disappear when water warms.
 
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I have two fish I just noticed with the same thing. I turned on my UV light. But not sure if I should remove the fish and treat them. Can't really salt my pond because of all of my plants.
 

Meyer Jordan

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I have two fish I just noticed with the same thing. I turned on my UV light. But not sure if I should remove the fish and treat them. Can't really salt my pond because of all of my plants.
Salt will not help if this is fish pox. Fish pox is viral and, as a result, is untreatable.
 
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I had a fish that has recently died maybe of carp pox it was completely covered in these carp pox. We think that it died because the carp pox had covered its gills and nostrils.
 
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I had a fish that has recently died maybe of carp pox it was completely covered in these carp pox. We think that it died because the carp pox had covered its gills and nostrils.
I'm fraid that ever heard of a fish dying from fish or carp pox in my 30 uears of koi keeping ........ Carp or fish pox is a type of herpes virus that normally isnt transferable to anyother fish in your pond ..
You will find that it normally appears during the colder winter months and disapears again during the summer months .
It has been described as waxy in detail as though someone had dripped hot wax over the fish




Dave
 

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