Quote Originally Posted by wilomn View Post
It looks like an old, healed burn. Or an injury, perhaps from live food left too long unattended. Whatever the cause, it looks healed. If it's not oozing or open, I'd leave it be. If you keep it, use a heat lamp or heat the room as has been recommended.

Have you considered goldfish? Guppies? Chia pets?
No, not any of those. Just my snakes...