Feeding Dart Frogs
Learn what dart frogs eat, how often to feed them, which supplements to use, and how to maintain healthy fruit fly cultures for long-term success.
Learn what dart frogs eat, how often to feed them, which supplements to use, and how to maintain healthy fruit fly cultures for long-term success.
In captivity, the majority of a dart frog's diet consists of flightless fruit flies. These are easy to culture, highly nutritious when properly supplemented, and suitable for nearly every commonly kept species. Additional feeder insects may include: Springtails Isopods (occasionally) Pinhead crickets (only for larger species and experienced keepers) Offering a variety of feeders helps provide enrichment and a broader nutritional profile, but fruit flies remain the staple diet for most collections.
Feeder insects should be dusted with a high-quality calcium supplement at every feeding. In addition to calcium, frogs require vitamin supplementation to prevent nutritional deficiencies that feeder insects alone cannot provide. Follow the manufacturer's recommended schedule when using vitamin supplements, as over-supplementation can also be harmful. Proper supplementation is one of the most important aspects of captive dart frog care and should never be overlooked. Northern Darts Tip: Use fresh supplements and replace containers every 6–12 months. Vitamins gradually lose potency once opened, especially if exposed to heat or humidity.
Healthy feeding schedules vary depending on the age of the frogs. Froglets Feed daily with access to springtails and appropriately sized Drosophila melanogaster. Juveniles Feed daily or every other day depending on growth rate. Adults Feed every other day or approximately three to four times per week. Offer enough prey that most insects are consumed within several hours. Small numbers of fruit flies remaining the following day are normal, but excessive uneaten feeders may indicate overfeeding.
Two species of flightless fruit flies are commonly used. Drosophila melanogaster These smaller fruit flies are ideal for froglets, thumbnails, and smaller dart frog species. They reproduce quickly and are the primary feeder used by most hobbyists. Drosophila hydei Hydei are significantly larger and produce more biomass per feeding. They are best suited for adult frogs that can comfortably consume larger prey. Many keepers maintain cultures of both species to accommodate frogs of different ages and sizes.
Maintaining your own fruit fly cultures provides a consistent food source while reducing long-term costs. Start new cultures every 7–14 days rather than waiting for existing cultures to decline. Keeping several cultures at different stages ensures fresh flies are always available. Store cultures at normal room temperature away from direct sunlight and discard cultures that develop mold, mites, or poor production. Healthy cultures are the foundation of successful dart frog keeping.
Skipping Supplements Fruit flies alone cannot provide complete nutrition. Proper supplementation is essential. Feeding Oversized Prey Feeders should always be appropriately sized for the species and age of the frog. Allowing Cultures to Crash Always maintain multiple fruit fly cultures to avoid interruptions in food supply. Wild-Caught Insects Never feed insects collected outdoors. They may carry pesticides, parasites, or pathogens that can harm dart frogs. Overfeeding Obesity is becoming increasingly common in captive dart frogs. Feeding more is not always better—adjust feeding amounts based on body condition rather than simply offering as many insects as possible.