Looks fine to me. So long as he is able to keep the water quality up to par, and the fish arent stressed....add more!! To me, I dont see that as cruel. If you think that is cruel I suggest you take a look at a commercial fish farm and their stocking practicies. On most commercial food fish farms (tilapia for example), they stock fish at rates as high as 1 pound per gallon of water!! Same goes for ornamental fish growers.
-Ryan[/quoteI agree with ryan.
As long as the filters good and they are healthy what's the problem?
(sorry about the previous comment, still haven't figured out how to delete posts)