He says that the trick to catching lots of them is to wait until the oxygen level on the pond bottom gets so low that the scuds rise up under the ice where they get more oxygen. I suppose it makes sense that the O2 level near the bottom drops as winter goes on and the upper areas that get more light may have higher O2 levels. Perhaps one of the experts can comment on that. Anyway, once he finds them up near the surface he has a contraption he built that reaches down under the ice and swings a net around in a circle just below the ice. I would think one could devise a way to do this by hand. It might take a while to get many thousands of them but if you only need enough for yourself I would think you could make it work. I see that Wood has a method using his auger that I'd be tempted to try.
