I think they will keep on growing as long as they have a good food source. They were stocked in lake Michigan to help control alwives, generations have never seen a drop of salt water. I think the state record is 20#, 2 oz.

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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).