Its a small less than a quarter acre pond that was once loaded with stunted CNBG and Chara algae and no predators. A few grass carp were added cleared out the Chara and the CNBG have been being fed and have gotten some size back on them over the last year. larger CNBG are not the goal for the pond, Baby CNBG as forage for some newly added predator fish is more the goal. .

Question is , can the over abundance of medium sized mature CNBG actually have suppressive effect on them spawning to produce YOY that could serve as forage. Should I consider thinning them out to yield more YOY sized forage fish?

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