The frog is about 2 1/2 inches. And I don't know if it's his/her personality, but he really doesn't do a whole lot, that we can tell. We've never seen him climb on the branches we have for him...
His color is good, and he does eat. Temp and humidity good. So I thought he really needs more vertical space. He's in an old 10 gallon tank we used for fish years ago, not a lot of vertical space in it.
We've only had the frog for about 1 1/2 weeks.
And you think he'll get lonely? We were told by the pet store, he'd be fine alone. But, a lot the pet sore told us was not the best info...