How long can I keep a silver arowana in a 4ft tank

[alohafishy]

I'm planning to get a baby sliver arowana and i want to put it in a 4ft tank that i already have. I'm just curious how long can I keep it in that tank?

 

[FishBeast]

What are the other dimensions? They can grow 1-2 inches a month bro.

 

[alohafishy]

What are the other dimensions? They can grow 1-2 inches a month bro.

its width is about 1.5 ft and the height is 2 ft

 

[Polyaddict86]

Might work for 6-8 months maybe less.