Well, I put an apple snail in my tank lastnight (only had 1 healthy, cute, goldfish named inky). This morning inky is gone. not outside the tank or anything... I cant beleive a snail ate a almost 3 inch long fish 
I'm still dubious that a snail could finish the whole fish in one sitting.
daveedka said:That part wouldn't suprise me at all, snails seem to have an unbelievable capicity to consume food rapidly and apple snails are big boys. I would agree that the fish had to be dead though.
Dave