I recently moved the F0 A. hogaboomorum into a larger tank.  The primary reason was that in the smaller 180 gallon tank the pair would eventually stop caring for the fry.  I think it had a lot to do with the larger "single" male that resided in the tank.  Not sure...but what I speculate.  I moved him out into another tank.  As luck would have it, a friend of mine gave me back a fish that I gave him several years ago.  It's another wild hogaboomorum...a FEMALE!  With any luck I will have two pair.  In the meantime the current pair I have are in breeding mode again.