Unknown colour change on my Betta

jinisjohn78

Hi,

I have this Betta fish (named as Nigel) since March and He is one healthy, active and lovely fish. Its been 2 weeks since I have started noticing a clear colour change and a bit of small bulge near his tail area on one side. The other side has similar change but not as visible as this one (please refer th pictures I attached). But the fish looks healthy, he eats well and roams around the tank actively like all time (He is in almost 8 gallon tank with no other fish and some live plants, rocks and gravel which he really enjoys to stay on) Now that I could easily identify this problem near his tail, should I worry something is wrong with him or is it a colour change?? Please advice me on this situation so that I could take necessary steps to avoid getting him into an unhealthy state.
 

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Ghelfaire

Bettas will naturally change colour when taken care of properly but I am concerned about the bulge near the tail.
It could be a benign tumour or cyst or an injury. Definitely keep an eye on it to see if it grows.
 

jinisjohn78

Bettas will naturally change colour when taken care of properly but I am concerned about the bulge near the tail.
It could be a benign tumour or cyst or an injury. Definitely keep an eye on it to see if it grows.
Thank u for ur reply.

Yes, will keep a watch on that.. when under light, I can see a shadow of something inside there. That started to concern me.
 

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