Wouldn't that be private?
Add a dwarf crayfish. Dwarf crayfish will eat them readily and won't bother the shrimp.
Siphon through a brine shrimp net-Problem Solved
Try live food, baby brine shrimp, daphnia or scuds. Mosquito larva if you live where it is warm, White worms or Grindle worms work well also. You can