There is this little pond right off the highway near a baseball diamond that I stop at before work sometimes (fishing before work is a running theme with me) that is at best maybe 4-5 ft deep, but only in the very middle. I can see the bottom throughout most of it even though it is extremely thick with weeds. There are a slew of pretty small, but hungry, bluegill that I can catch with nearly anything plus some similar size largemouth.
That was last year. I stopped by last night after work just to poke my flashlight in there to see if any fish were touched by miracles and survived the cold winter because by all rights, that pond was solid ice all winter. Simply not possible for it not to be, right? Much to my surprise, I saw a few swimmers with my light. So I pulled out my rod and tossed a few. Much to even more surprise was the fish I caught: a healthy ~2 lb bass. I asked him where he came from and told him he didn't belong in there, but he didn't respond (my fishinese needs a bit of work).
So I ask y'all this: how on earth did these fish not only survive, but thrive and actually get bigger? This pond seems to me to be just something that is there and at some point must have gotten stocked with a few fish but they are kept in check by the extreme weed growth. It doesn't seem to be state owned since there are no creel signs and it is not on private property (at least there are no "no trespassing" signs).
Is it possible they survived or is it more likely that there is a mysterious fish stocker? I have only seen one other person ever fishing there one time and I drive by it every day.