Hey Don,
I have seen that same condition in wild SMB on the Tennessee river systems. Don't know what causes it tho. I always thought it may be some kind of genetic trait.
.10 surface acre pond, 10.5 foot deep. SW LA. The epitome of a mutt pond. BG, LMB, GSF, RES, BH, Warmouth, Longear Sunfish, Gambusia,Mud Minnows, Crappie, and now shiners!!...I subscribe!!
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