As to how many, it depends on your pocketbook and what the goals are. I usually recommend 20% RES in a typical pond of the total sunfish stocking numbers.

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).