Question: what food can a red eared slider eat?
Answer: Prey Items: Earthworms, crickets, waxworms, silkworms, aquatic snails, bloodworms, daphnia, shrimp, krill, and mealworms. ... 
Leafy Greens: Collard greens, mustard greens, dandelion greens, kale, and bok choy. ... 
Aquatic Plants: In an aquarium or pond, you can add aquatic plants that turtles usually love to snack on.