freddyk I agree that there's a lot more to stocking than just counting inches. However, that's exactly why I showed concern. This tank is going to be taken to a school. I would think it's best to keep it low maintainance. Adding, even just 2, extra (rather finnicky) fish can very well make a difference. Neons don't like fluctuations (neither do dwarf gouramies) and don't deal with them well. Small tanks like this are already difficult to keep stable. There's no reason to push it when you can easily avoid over-stocking without sacrificing anything else (neons would be fine in a group of just 6 BTW as the tank's small, there are no threats etc). I would have suggested even fewer myself but, obviously, that's not realy fair on the fish because of the fact that they are a schooling species - so I said to at least take it down to the minnimum number of 6. If you think it's under-stocked, so be it. Under-stocking is better than over-stocking.