View Full Version : Do Betas get tumors?

12-08-2008, 09:45 AM
I have had a Beta about a year now. Recently he has appeared to have a lump in his back thired near his tail. He is becoming increasingly lethargic and the lump seems to be getting bigger.

I had changed the food in the tank and it wasn't one that any of the fish seemed to like much except for one (who refused to eat the other stuff). I am suspecting that my Beta may have gotten constipated? But I served peas, which he ate a bit of. But it hasn't improved. It is getting worse.

He is resting himself on plants near the surface, and this morning was even lying partially on his side. Thought he was dead, but he swam out to eat a bit, and then went back to his crutch.

Any thoughts?

12-08-2008, 10:11 AM

My guess would be that your betta is suffering from swim bladder disorder which if you don't know is a pretty common disorder which is usually caused from overfeeding, increased stress, or a combination of both.

Ahh so what to do?!?

Bettas usually recover from this problem on their own, but I'd recommend you feed him less (especially if feeding brine shrimp). Ive also heard if hes having trouble eating what you do feed him, to lower the water level a bit. Attached is a pic of google image search for swim bladder disorder for comparison (hopefully trustworthy).

I'd put money on this being the problem but I'd wait for a second opinion before treatment. Good luck! I hope he gets well soon.

reference: http://www.bettatalk.com/betta_diseases.htm


12-08-2008, 10:13 AM
They can indeed suffer from tumors...just like any other fish...

I lost my beloved Kaizer Soze to a tumor growth on his face... he was already 3 years old but I felt so sorry for the little guy



Wild Turkey
12-08-2008, 10:19 AM
Yes unfortunately fish can suffer from a lot of ailments we also suffer from, including tumors. That doesnt mean thats for sure what your betta has, but it sounds like it.

12-11-2008, 08:18 PM
The lump on his back third has gone down. That leads me to think it was a bladder condition. However, he continues to be listless. He only eats about 3 pieces of food, rests himself on top of the plants. Even seemed to hide his eyes today from the light under plant leaves (with his back half hanging out). He hangs around a lot near the heater. Don't know... maybe he is getting old? Who knows. Poor guy, he used to be so much fun.

Wild Turkey
12-11-2008, 09:39 PM
Cysts will come and go like that as well, im not as sure about cysts in fish though, but i would assume they can get them.

Like i said before though, this is a tough diagnosis, and saying what is with any certainty would be hard.