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My fish has external skin bubbles. Is it a tumor? When to see a vet?

Updated On September 23rd, 2025

Pet's info: Fish | Gold Fish | 4 years old

Hello. My fish has external skin bubbles. What can I do to heal it? I’ll appreciate it. Thanks

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1 Answer

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Answered By Todd Cecil

Veterinarian

Published on January 20th, 2019

Thanks for reaching out about Chachito and including a photo. This doesn't appear to be a bubble but a mass (possible tumor). A veterinary visit is needed to determine what it is and provide a treatment plan. Carcinomas and fibromas are common. Good luck.

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