Comish, I have no idea what is going on but you're not alone. There have been years when a bunch of us reported the same thing. I've always suspected fish adding to nutrient overload during low water times but you're not in the drought belt like I am.
A "No Trespassing" sign, backed by pellets, didn't do much good for my duck problem. Those darn things made a real mess out of one of my one acre water holes. Then hogs made a greasy, algae ridden mess out of a couple of small forage ponds.
It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.
Without a sense of urgency, Nothing ever gets done.
Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP Grandpa
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