well my aunts jack has free swimmer jack dempseys so she must be doing sumtin right with her tank... there both 7 inches right now and in a 55 but shes gona get a divider for teh 55 to seperate teh jacks from teh rest of her fish... and i might get sum dunno yet but waiting on a 75 still and just might go with an O a breeding pair of firemouths or convicts and a solo jack female or male... how does that sound... or might get rid of the O and get a divider and do one side with 1 breeding pair convicts and 1 breeding pair of firemouths with sum dithers on each siede