Hey you know, I'd like to share with you my way of getting picky live food eaters to eat frozen meats and think it is live!
Well first you gotta have some fishing line them tie it at the end of whatever you are feeding them (nice picks would be bait fish, shrimp...) then chuck it in the water and make it move realistically. It's kinda like fishing without a hook, works for me and GL with getting them to eat dead stuff!!!