There's no other spots, the shell does seem kinda sharp right above the neck where the bubble is.Search this forum to know more. Can you feel the shell edge around his neck, is there a sharp edge that he is rubbing against just an idea? Is there anything he could have scratched against? If not check for another blemishes. If it is what has benn suggested it is contagious so care is required. Is this your only tortoise?
Thanks, it's a hatchling. I've been following the thread you shared and another on hatchling care. This is my first tortoise and reptile, so it's all new to me. I did my thorough readings on this forum before getting the hatchling.I think you could get a small nail emery board and give it a little file to remove the sharp part, exactly as we would with our hand and toe nails but very gentle and least is best.
Just adding the care sheet for you to read and it looks very young, which is an important time to provide best set up and environment for smooth even shell growth.
I chose the title of this care sheet very carefully. Are there other ways to raise babies and care for adults? Yes. Yes there are, but those ways are not as good. What follows is the BEST way, according to 30 years of research and experimentation with hundreds of babies of many species. What is...tortoiseforum.org