You have any pics of the one you had? I amHe';s looking good, gonna get big too. getting settled in doesn't really have a time frame, its all in the fish. But in reality should only take a week or so. When you see him perched looking down, he's looking for food. When I had mine, he got to be the size of a dinner plate. Had other tank mates, but I kept him fed, and he didn't eat the others.
Excited for him to grow.. just got to be carful how much I feed him, did you have a set routine? Like I was thinking every 2 days maybe 3 times a week?