Do Sea Monkeys eat their babies?

I have a tank of sea monkeys that are about 4 months old. They are really thriving and doing good. Problem is, every time my pregnant moms give birth the babies will be there for about 3-4 days and they will all disappear at the same time. One day I will have around 13 babies, the next they are gone. So, my question is.......Do the adults eat the babies???