Updated On January 20th, 2019
Pet's info: Fish | Gold Fish | 4 years old
Answered By Todd Cecil 239
Veterinarian
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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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