Juveniles sometimes eat parasites off of other fish. ........
Some preferred live foods are; small fish, tubifex worms, glass worms, bloodworms, brine shrimp, crickets and daddy long leg spiders. They also do quite well with frozen foods such as; frozen brine shrimp, plankton, beef heart, glass worms, bloodworms, daphnia, and hi-pro. Many will also eat freeze-dried pellet and flake foods. It is important to make sure these foods float as these fish remain on the surface at all times. They will not do well with sinking foods