It also helps to have grass, etc. in the pond for them to hide in. Even with no "predators" in the pond, water bugs, frogs, etc., will eat them while they are small.

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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).