In my pond, I've watched LMB eyeing a BG, but not eat it. The LMB was constantly circling the BG trying to get in front of it so it could grab it head on. The BG kept moving so that it was sidways to the LMB, and after about 5 minutes, the LMB finally just gave up and swam off.

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.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).