I think you would do fine with CC even with LMB in the pond. They can be stocked at larger sizes, pretty economically. The experience that I've had with catfish, if they are caught, they should NOT be released back into the pond. They will be a bear to catch again.

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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).