It's a year later, and the LMB grew. Since they are over 10" now, you should be able to weigh them and compare WR's. I don't believe they will grow in length without having enough weight on them, so it looks like you are on the right track.

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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).