The blocks will have rebar driven in. I tamped a clay base for them to sit on and filled them with clay. I will probably throw in some feeder goldfish. That is what I put in my other pond back in 2017 and they are all between 6-10 inches now. Since I do not plan to use any filter at all, I will plant heavily with oxygenating plants. I expect to have algae problems the first year or so until the plants get established and grow; this is normal in a natural pond when not using a filter. I have a water lily in my smaller pond. While they help shade the water, they don't do much for oxygenating the water, so they will be added later if added at all. I am planning an 18" shelf around almost the entire perimeter. Trail cam would be a waist since the 8500 square foot food forest is completely fenced in with a physical fence and electric fence. Same with lights since the pond is about 200 feet from my house. I am very familiar with Cal's work. He has a wonderful pond. Thanks for the good vibes!