Tumor
tumors & fish disease
 

Tumors in fish

There are numerous reasons for tumors in fish and tumors are by themselves not to be considered as diseases or even negative even though they can have negative esthetical effects on the fish that gets them. This does however not mean that a tumor can't be a problem; they can be signs of very dangerous diseases. It just means that tumors aren't necessary a problem or a sign thereof. Tumours can for instance be caused by the thing most of us think about when we hear the word tumour – cancer. Cancer aren't common in most tropical aquarium fish as they are relatively short lived and cancer only rarely have time to develop and become a problem before the fish dies of age. This does however not mean that it never happens. Cancer is more likely and can be a bigger problem in more long living fish species. Sharks don't get cancer and you can therefore rule out cancer if one of your (true) sharks develops a tumor. Some researchers actually hope that sharks will reveal the secret to preventing and curing cancer in humans as well.

Tumors in fish can also be due to virus that has infected the fish. The bulk of all tumors found in fish are however result of genetic traits in that fish and hence not dangerous or a sign of problem. It is possible to surgical remove tumors that are unattractive or that causes problems such for the fish, such as problems eating. You will need a hospital tank for recovery, a scalpel, antibiotics and anaesthesia if you want to try this. I will however not write more about it in this text and I recommend that you obtain more information before trying it, or even better – hire someone with experience to do it for you. I would also recommend that you check the local rules surrounding the keeping of fish and animal cruelty to see if you are allowed to perform such operations yourself in the area you live in.

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Tumors in fish