I'm very excited; tonight when I went to feed my little guy, I noticed what looked like another pair of eyes staring up from under the cup!
Somehow another fry managed to escape being gathered as an egg, hatched, and missed the tank bottom cleanup! I added him to the little baby cup, and I'm still completely amazed that he was still in the tank and had survived.
I had tried to get all the eggs in the artificial hatching, and then I tried to get rid of all the leftover gunk and eggs just the other day. I wasn't paying a whole lot of attention to what was getting suctioned out, so I do not know how he managed to stay in there!