Goldfish has spots on its body

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bpch2o

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May 12, 2018
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Hello everyone,

I have a goldfish that lives in a 50-gallon tank with two koi fish and two other goldfish. I noticed lately he has developed round spots on his body that appears to look like tumors. At first, I thought it was Dropsy disease but it does not appear so since he is not bloated. All is normal otherwise, he does not display abnormal behavior symptoms--he is eating normal and has a lot of energy to swim around.

I treated the entire tank with Tetra Lifeguard All-In-One Freshwater Aquarium Treatment using the recommended dosage and treated the tank for 5 days, added some aquarium salt, and Melafix. I decided to treat the whole tank because I was worried the whole tank might be infected. He does not appear to be healing.

If anyone could provide more information, it would be much appreciated.

Note: Unfortunately, since I am new to this forum I am not able to post links to photos of the fish. Can anyone help with that?
 

FreshyFresh

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Jan 11, 2013
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Welcome!

How long have these 5 goldfish been together in this setup? Any new additions?

I'm assuming you do a large water change weekly? Readings in PPM for ammonia, nitrite and nitrate?

Sorry for all the questions, but this is just a start!
 

tanker

Josh Holloway--Be mine!!!
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A picture would be helpful, but the Koi maybe pecking at the goldfish.
 
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