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JD1

Goldfish large lump on Ventral (pelvic) fin

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Hi,

I'm new too posting on these forums however just had a fish pass away last night after reaching an age of about 12.  It had appeared to develop Lymphocystis.  

I only have one goldfish remaining and this fish has had a large growth on its ventral fin which Im guessing has been there for approx 12 months.  It does not appear to be in any distress.  Fish would probably be around 5 years old.  Im not sure what the growth is and in the last two weeks have noticed a light white mark on it.

I want to give this fish the best chance and also check if it may be ok to add a new fish given the condition of the current one and the issues with my other fish that passed.  Also looking for ides and what treatment if any is needed.

I use the API 5in 1 Test Strips to test the water.  No signs of Nitrate or Nitrite,  PH is 7.  KH approx 80 and GH approx 60.

The tank is 160L, temperature 22C

Had recently put in some melafix into the tank and to help the sick fish and a few weeks ago had seen the start of white spot and added a treatment of Blue Planets White Spot Remedy which resolved that quickly.

Appreciate any help.  As a general rule I change between 10 and 20% of the water every week or two and do my best to look after the fish.  On rare occasions this may be left a few weeks maximum.  I did a 105 seater change two days ago.

Thanks in advance,

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Welcome to Kokos!

Please start by reading our guidelines for healthy goldfish.

It looks like the fish has a tumor on that fin.  Perhaps you can remove it surgically, but unless it bothers the fish, you could just leave it alone.

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Welcome to Kokos!!!!

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3 hours ago, shakaho said:

Welcome to Kokos!

Please start by reading our guidelines for healthy goldfish.

It looks like the fish has a tumor on that fin.  Perhaps you can remove it surgically, but unless it bothers the fish, you could just leave it alone.

Agree :thumbs: 

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