Turtles are amazing pets, but their diet often confuses new owners. Some turtles are herbivores, some are omnivores, and their food changes as they grow. If you want your turtle to stay healthy, you need to know what turtles eat, what to avoid, and how often to feed them. What Do Turtles Eat? Turtles eat a mix of plants, vegetables, fruits, and sometimes small animals.Their diet depends on the species: Aquatic turtles (like red-eared sliders) eat fish, insects, and leafy greens. Land turtles (like box turtles) eat vegetables, fruits, and some protein. Sea turtles mostly eat seagrass, algae, and jellyfish.…