The key to this is "sufficient cover".

They were extirpated in my personal pond. Water level dropped, no cover in shallow water, they all got eaten over the winter one year.


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).