Here's some reading for you from the archives. I threw the 2nd link in there for your "down the road" planning.

Carrying Capacity information



http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=92492#Post92492


www.hoosierpondpros.com


http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).