You did what?
I too, am sorry for your loss, but that sort of behavior seems highly irresponsible to me, if not downright cruel. :|
Personal feelings and past history aside, what kind of invert are you looking for? Ornamental or clean up? Anything else to be avoided?
In all honesty, I'm a bit hesitant to suggest anything for fear it might meet the same fate - stress for you, aggravation for you, and no picnic for the invert either.