Some goldfish have made it through previous winters but most have just seemed to die off in the winter or were eaten by a blue heron. Stocking levels were actually much higher in the past with larger fish, seemed to lose a lot less fish when stocking levels were higher and goldfish larger but a blue heron ate all the decent sized goldfish last year. Now, maybe there were 35 or 40 mostly 3 to 4 inch comet goldfish this fall, I have lost about 14-16 this winter. The larger 6-8 inch koi are doing fine, rosy reds and other fish doing fine, just comet goldfish that seem to be very slow moving, lethargic, and dying.
