Large Pacu in small tank

[flapper12]

Well some guy dropped his 14"(maybe more or less don't know) pacu off in my bf's tank(he knew it was going in there not like he showed up put it in then left). His tank is a 55gal.
My question is. How should I convince him to give it away before it busts his tank or the fish gets stunted? Thanks in advance

 

[Connor0729]

tell him that a 10 inch pacu can break a 55's glass. easily. they get spooked easily, and when they have no where to go and hide, they just smash the glass when they run into it.

or just sell it behind his back

 

[flapper12]

I would do the second option but, I hate the dude and I don't wanna sell his fish, he would just get mad and pitch a lil fit.

 

[flapper12]

Bump.

 

[cichlid savage]

Ask him is his friend going to replace his tank and fish WHEN the pacu smashes it into a million pieces and spills 55 gal of water onto the floor.