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Anna, Biologist, pet expert
Category: General
Satisfied Customers: 11139
Experience:  40 years experience with fish keeping
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My 8 year old Tandannus catfish has a tumor on his side growing

Customer Question

my 8 year old Tandannus catfish has a tumor on his side growing larger.Still active & eating.Does he need surgery?
Submitted: 8 months ago.
Category: Fish
Expert:  Anna replied 8 months ago.
Hello and welcome. My name is ***** ***** I'm a biologist with a special interest in fish. I'm sorry to hear your fish has a tumor. Tumors are actually common in fish. They can be benign or cancerous. There is no way to tell just by looking. A fish with a benign tumor can live for years unless the tumor becomes so large that it interferes with eating, breathing, or swimming. For that reason, some fish keepers choose not to have surgery done.With a fast-growing tumor on an important fish, surgery can be the best choice. Aquatic vets can successfully remove many tumors. A biopsy can even be done. Some types of tumors do grow back after surgery, but with others, surgery offers a cure. The best thing to do would be to have a fish vet evaluate your fish in person and help you decide what to do. If you don't already have a fish vet, give me your location and I'll try to find one for you. I hope that whatever you decide, it will work out well.Anna