I noticed my betta has a bulge on his right side right before his tail. He acts fine, it doesn't seem to bother him. I just want to know if I should worry and if anyone knows what it could be.
I have him in a 10g that is heated and filtered and do water changes every week. Tested my water and all readings are good.
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I have him in a 10g that is heated and filtered and do water changes every week. Tested my water and all readings are good.
Sent from my iPhone using Aquarium Advice