FSM;2612913; said:They ate some brine shrimp, so I think they are probably just picky. They still aren't very active though.
Give them a bit to get acclimated and to recognize feeding times. Glassworms, bloodworms, and brine shrimp are all good starter foods. When they get into a feeding habit, add some sinking pellets. They will usually take those as part of a varied diet as well.