We did a group buy a while back on them. They are sweet, but also very sensitive. I put 12 in my 125 and never saw them again after that day. I think they were eaten by the aptaisia.
I think for the most part it was that way across the board for most that got in on it. Although there were also a couple that had good success with them also I think. The other thing to keep in mind once all the aptaisia are gone, if you don't supply a food source they will die.