Cecil, I hear you on the VHS issue. I do have or did have crayfish in the pond. Many of them left when the waters got high. Since the SMB have been getting bigger, I havent seen any around for a while. That does not mean they are not there. I just wanted to add more diversity.

I think that in NY you can have clams and such as longas not Zebra type. I am trying to figure out where to find them. I think one of my neighbors has some in her pond but she is connected directly up to Lake Ontario. That in itself gets me a bit nervous.

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1/10 - 1/4 acre pond plus 16 ft deep/ Plus 40 ft by 20 ft by 6 ft deep koi and fathead minnow pond next to it. Upstate NY