I so not know if I am right, but I have 2 Albino ACF ina 15 gallon aquarium and I constanly have feeder guppies in there. I am making a stab at reproducing my own feeders because the pet store here locally in always running out of them. That is what is motivating me to reproduce my own. Plus I can save a couple of dollars.

I have also noticed that it seems most of the feeders get eaten when no one is around (ie at night).

My girlfiend and I thought that we had a male and female, but we ae starting to think that both are female. I want to make a stab at breeding these also....we'll see.

Anyway, mine have no problem eating the guppies. The problem I did have have was with White Clouds. I still have 3 uneaten ones that are about 3 months alive now (in the tank). They are now part of the scenery. But as for the guppies I have had no problems.