In the long familiar Branchipus, Chirocephalus and Streptocephalus the males have frontal appendages, but these are wanting in the " brine-shrimp " Artemia, and the same want helps to distinguish Branchinecta (Verrill, 1869) from the old genus Branchipus.
baby brine shrimp would also be a welcome addition.
After about three weeks or so, the fry can be weaned onto frozen adult brine shrimp and crushed flake food.
This inspirational list of amazing sea monkey facts will help you love the brine shrimp that sea monkeys really are.
frozen brine shrimp is a decent substitute for the live version.