Red-eared slider turtles are opportunistic omnivores, feeding off of both plant- and animal-based sources to thrive. Alongside leafy greens, aquatic plants, commercial diets and feeder fish (canned or live), they need an abundance of insect prey.
Avoid foods such as radishes (they contain goitrogens), avocados and high-fat foods; fruits should also be given in moderation due to their high level of sugar, which could potentially cause diarrhea.
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Protein
Red-eared slider reptiles are semiaquatic reptiles and must include both plant matter and protein in their diet, so the ideal diet would include nutritious leafy greens, aquatic plants and commercial turtle pellet food as staples for their diet – with extra treats or treats provided as treats to make for a more balanced nutrition program.
Commercial pellet food should comprise no more than 25% of an animal’s diet. To round out their nutritional needs, fresh supplemental foods such as feeder fish, superworms, krill, crickets and rosy red minnows should also be offered from time to time.
Some experts advise providing fresh fruits like bananas, berries and apples as part of your turtle’s diet; however, too much fruit may lead to diarrhea. Furthermore, frozen fish contain enzymes which destroy vitamin B1. Supplementing their diet occasionally with Rep-Cal or Miner-All powder could further benefit their health by adding extra nutrition.
Vegetables
Provide your turtle with a balanced diet of vegetables, leafy greens and fruits to ensure its nutritional needs are met. However, be careful to steer clear from offering foods high in oxalates that could damage kidneys (e.g. chives, parsley and spinach), or that may inhibit calcium absorption (rhubarb in particular) which could hinder their calcium absorption; cabbage should also not form part of their daily meal plans as this can increase goiter formation significantly.
Young red eared sliders require more protein than adults, and should consume carnivorous foods such as feeder fish, worms, snails, tadpoles and insects in their diet.
As your turtle ages, their diet should include less meat and more plants. Adult turtles should receive a varied diet including aquatic plants, vegetables and leafy greens; fruits can also be included but should only comprise a small part of their daily meal. You can use commercial vegetable mixes or create your own vegetable blend; storebought cuttlebones should be free from hard plastic backing that could make them sick if accidentally consumed by accident.
Insects
Red-eared slider turtles are omnivorous animals that need both animal and plant foods in its diet, including dark leafy greens (such as romaine lettuce, kale, and mustard greens), aquatic plants, commercial turtle food products and animals such as feeder fish, earthworms, snails and frog tadpoles.
Baby turtles require higher protein intakes than adults and should focus on providing more of their diet from meat and animal prey, such as frozen shrimp, krill or crickets. It is wise to provide various varieties so as to not bore their pet by offering the same foods repeatedly – providing enrichment is also recommended!
In the wild, RES typically consume algae, leaves, stems, flowers and seeds from terrestrial and aquatic plants as well as invertebrates such as snails, insects and fish. They have also been known to graze on land while foraging for seeds, fruits and roots on the ground. While vegetables such as bell peppers, carrots or squash should only be provided in small amounts, for optimal results this should also be limited to its consumption by humans.
Calcium Supplement
Red eared slider turtles may experience calcium deficiency when their bodies cannot efficiently process the calcium they consume, so providing a diet rich in various foods and supplements to avoid this condition is critical to their wellbeing.
Sliders are omnivorous predators and enjoy hunting a wide range of animal prey in the wild, such as fish (live feeder fish, pieces, and freeze-dried), insects, crustaceans, tadpoles, frogs and snails.
Pet owners sometimes discover their baby turtles are lacking essential nutrients despite providing a varied diet, and one way to address this issue is with commercial turtle pellets containing essential vitamins and minerals. In addition, providing fresh leafy vegetables like kale, collard greens, mustard greens, bok choy or dark lettuce as a healthy environment will ensure their needs are met by getting enough nutrition.
