The very first food I gave them was the small size Hikari sinking carnivore. The rays touched the pellets and then jumped back like the pellets were scary somehow. Then they stayed far away from them on the other side of the tank for hours and so I removed the pellets. Then I gave them live bloodworms and they all gobbled them up and so I knew at least they would eat. Then I pumped them up on the bloodworms for that day, and starved them for the next 72 hours before shipping. The breeder says to use shrimp/prawn, cut up fish, blood worms or earth worms. I have no real idea how to get pellets happening; for now I just want to bulk them up on other foods for a while.