I got mine at 25 inches and I had him in a 250G holding tank and he grew to about 33 inches in about 7 months so I riged up a 1000G pond pool for them and since I got him in there he grew to a massive 39 inches in 5 months
here's some pics
When I got him
In the holding tank
When I moved them to the 1000G
When I had the oops filter pipe came of
here's some pics
When I got him
In the holding tank
When I moved them to the 1000G
When I had the oops filter pipe came of