He's still a juvie, about only 3-4 inch from head to tail. The first week I got him was a nervous week for me as he got infected with fungus, quite common among young pnts but can be fatal. So I researched, quarantined, and treated the guy. He's much better now, to my much relief.
I've read that a full grown pnt will need at least 200ish gallon tank; he's currently in a 4 feet 67 gal tank, so I guess I still have time before it outgrows the tank.