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Anna, Biologist, pet expert
Category: General
Satisfied Customers: 11061
Experience:  40 years experience with fish keeping
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My betta has an area on his side about the size of a fingernail

Customer Question

My betta has an area on his side about the size of a fingernail that has no scales, is protruding outward and becoming pink. He is active, eats well and has good color but for months this sore has gotten worse despite scraping off dead tissue, treating with T.C. and a yellow powder that turns the water blue (was given a sample by local betta "expert), added salt at double dose on label, added Stresscoat, Pimafix & Melafix (per Anna's advice). Considering Betafix and Peabody's medicated flakes--but there are 5 different kinds (should I buy all and feed all since I don't know which internal medicine he needs?). Please advise on best approach from here to try to heal this sore and save my fish! Thanks, ***** *****
Submitted: 5 months ago.
Category: Fish
Expert:  Anna replied 5 months ago.
Hello Randy. I'm sorry to hear you are dealing with such a persistent problem. You have tried just about everything, and if this was an ordinary sore or infection, it would have healed by now. The fact that your betta is active and eating well tells us that he doesn't feel sick.I suspect that this might be a tumor that began internally and is growing outward. Tumors, both benign and cancerous are common in fish. Fish often live for months or even years with tumors. In larger fish, such as koi or cichlids, an aquatic vet can surgically remove tumors, but that would be nearly impossible with a betta. I can't find your original question, so I don't remember how old your fish is. If he's older than 1 1/2, a tumor is even more likely.It won't hurt anything to try BettaFix. It is no longer available in many areas, so that's why I didn't suggest it before. It is a good medication, and I have always liked it. However, given the medications you have already tried, I doubt it will do anything.As for medicated foods, you definitely don't want to feed more than one at a time. The medications can interact with each other, and complications can even be fatal. If you want to try one, choose one that says it treats both gram positive and gram negative bacterial infections.There is also a slight possibility this sore is caused by a parasite. That is unlikely if you have had your betta for awhile and you don't have live plants in his home. If you want me to look, you can post a picture. You can upload a photo by clicking on the paper clip icon in the tool bar at the top of the space where you type. Instructions will pop up.Anna
Expert:  Anna replied 5 months ago.
Hi Randy,Do you need any additional information?Anna