we feed frozen bloodworms, frozen krill, frozen brine shrimp, frozen spirulina brine shrimp, frozen raw tuna, beef heart that i buy in bulk for $.47 lb and cut up myself, turkey and chicken hearts from the turkeys and chickens i cut up for the dogs, shrimp from the grocery store..
and the guppies that we don't feed to the real fish (yet) eat fish flake kibble of some kind..
