Is this ulcer

[Childszee]

Fish has had this last summer it is feeding fine , all the other fish are fine . What treatment should I use ?

 

[JRS]

Welcome to the forum Childszee. Hard to make out in the pictures but almost look lumpy to me? If so, possibly Carp pox:

Lumps on my fish

Hey all, I just noticed that one of my fish has a couple of bumps on it. The others look good and all of my wster parameters are right on the money. Ph is 7.6. Ive had this fish for a little over two years. Pretty sure the spots haven’t been there long.

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Have you tested your water quality? Ammonia, nitrite and nitrate? If ulcers, poor water quality can be a factor.

Koi with ulcers on skin

I have attached a picture of a koi in my pond that has had ulcers (I think) since last spring - so about a year. It is hard to see from the picture, but the skin is red in several areas and some look very raw showing blood red marks. The water quality is good and I have about 8 other fish in...

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How To Treat Ulcers In Koi & Goldfish - The Koi Pond Experts

How To Treat Ulcers in Koi & Goldfish. Ulcers (red sores or spots) are fairly common in koi goldfish ponds and can be caused by a several different factors

www.pondexperts.ca

 

[Childszee]

I have just checked out carp pox and I am sure it is that. Is there a treatment for it .
Water is all good

 

[j.w]

@Childszee