Red-eared slider turtles are omnivorous, that is they eat meat and plants. Baby slider turtles eat more meat but can still be offered plant food. There are commercial pellets you can use but include earthworms, crickets, shrimp, krill, mealworms, tadpoles in the diet. Veggies such as kale, romaine lettuce, collard and dandelion greens, carrots, squash and green beans can be added. Place live aquatic plants in the aquarium for the turtle to nibble on.