neon danio

Hey everyone! I’m new to fish keeping. I had three danio glow fish. Unfortunately two of them died because the heater broke and they didn’t make it. This one has always been the biggest but I’ve noticed it’s gettingeven bigger. We named it hulk because he likes to eat a lot and survived. I’ve...

So I’ve had this neon danio for maybe a month now and it was always tiny and looked so skinny. And now recently I noticed it’s getting a hunchback. I seen things online that say it could be a birth defect and he is probably in pain. I feel so bad and not sure what to do. Any help would be...