Yes. 6"-12" dia. limestones, i.e. "riprap", 2-3 rocks thick, from shoreline to 3'-4' deep in the pond. It gives them places to hide where they can't be eaten by fish or turtles. The more the better, but I wouldn't put less than 50 to 75 linear feet of it along the shoreline.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).