Crested Gecko Diet Overview
Crested geckos (Correlophus ciliatus) are omnivores in the wild, eating a mix of fruit, nectar, and small invertebrates. In captivity, they're most commonly fed a commercial Crested Gecko Diet (CGD) — a powdered meal replacement that provides complete nutrition when mixed with water. CGD has largely replaced the need for complex live feeder schedules, though live insects remain a valuable supplement.
Core principle: CGD is the dietary foundation. Live feeders are a supplement, not a replacement.
Crested Gecko Diet (CGD)
Several high-quality CGD brands are widely used and trusted by experienced keepers, including Repashy, Pangea, and Black Jungle. Rotating between two or three brands is a common practice to ensure nutritional variety. Mix CGD to a smooth, lump-free consistency according to the manufacturer's instructions. Remove and replace uneaten CGD every 24–48 hours to prevent spoilage, particularly in warm or humid conditions.
Feeding Frequency by Age
| Age | CGD Frequency | Live Feeders |
|---|---|---|
| Hatchling (0–3 months) | Every other day | Optional; small crickets or fruit flies 1–2× per week |
| Juvenile (3–12 months) | Every other day | 1–2× per week; appropriately sized crickets or dubia |
| Sub-adult / Adult (12+ months) | Every 2–3 days | 1–2× per week optional |
Always remove uneaten CGD within 24–48 hours. Fresh water should be available at all times in a shallow dish.
Live Feeders
- Crickets — the most widely used feeder; gut-load before feeding and dust with calcium
- Dubia roaches — excellent nutritional profile; less noisy and odorous than crickets
- Black soldier fly larvae (BSFL) — high calcium, good as an occasional treat
- Waxworms — high fat; use sparingly as an occasional treat only
Feeder size should not exceed the width of the gecko's head. Always remove uneaten insects after feeding sessions.
What to Avoid
- Citrus fruit — too acidic; avoid entirely
- Avocado — toxic to reptiles
- Fireflies / lightning bugs — toxic; never feed
- Wild-caught insects — risk of pesticide exposure and parasites
- Oversized feeders — can cause impaction or stress
Supplementation
If feeding a quality CGD, avoid excessive supplementation. Most reputable CGDs are already nutritionally balanced — over-supplementing on top of a fortified diet can cause more harm than good.
- Calcium without D3 — dust live feeders at most feedings if UVB is provided
- Calcium with D3 — use if no UVB lighting is in place; follow manufacturer guidance on frequency
- Multivitamin — 1–2× per month at most; most quality CGDs already include vitamins
Hydration
Crested geckos drink water droplets from enclosure surfaces. Lightly mist the enclosure at least once daily — typically in the evening when geckos become active. The enclosure should have time to partially dry between misting sessions rather than remaining constantly wet. Also provide a shallow water dish as a backup.
FAQ
My crested gecko isn't eating its CGD — what do I do?
CGD refusal is common, particularly in newly acquired geckos or after a brand change. Try a different CGD brand or flavor, ensure the mix is the right consistency, and offer at night when the gecko is most active.
Can crested geckos live on CGD alone?
Yes — high-quality CGD is formulated to be nutritionally complete. Many crested geckos thrive on CGD alone. Live feeders are beneficial but not strictly required if a quality CGD is fed consistently.
How do I know if my crested gecko is eating?
Check the CGD dish for signs of licking or disturbance. Monitor body weight monthly — a healthy adult crested gecko should maintain a stable weight. Consistent weight loss despite food being offered warrants investigation.
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