I second that answer. Dragons are really not social creatures. Even two females do not always get along. Dragons like to be along in their own territory. Other dragons are not friends, they are competition for resources. In the wild if two dragons entered the same territory the dominant one would stay, the other would move on. they would not hang around and socialize.
It is extremely common to hear someone post about their dragons and say
"we have two, when we got them they were the same size, one is growing like crazy but the other hasn't grown at all. He tries to hide all day and won't eat or bask"
This is because the dominant dragon is stressing the smaller one. When these people are told to seperate the dragons the little one usually begins to improve right away.
IF you want a second dragon I recommend a second full tank setup with UVB and everything it needs to live. There is a good chance that the dragons will have to be seperate.
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