Yep...On one end of the tank I have a large piece of fake driftwood..That is the Jag's..no other fish are allowed..on the other end, I have a pile of big rocks..that is where the Tilapia hides when the Jag get's pissed.Ruf R;3719016;3719016 said:big enough tank and enough hiding area's and it will work most times!!