Fei feng are pretty omnivorous, IME. They'll readily accept frozen bloodworms, frozen brine, etc., but you should supplement their diet with vegetable matter, such as algae wafers.
i havent fed mine anything for a while. he use to eat blood worms, but i stopped feeding that. now i just see him eating the aros food... so i guess hes eating hikari food sticks and dried shrimps
