what do geckos eat - High Altitude Science

Understanding the Context

Natural Diet: What Do Wild Geckos Eat?

Geckos are predominantly insectivorous, but their diet varies depending on the species and habitat. In the wild, these small lizards play a vital role in controlling insect populations.

Common Prey in the Wild:

• Small insects: Crickets, flies, moths, and grasshoppers are primary food sources.
  
• Spiders: Many geckos catch and consume spiders, which provide high protein.
  
• Leaners and beetles: These soft-bodied insects are easy targets and nutritious.
  
• Occasional small invertebrates: Some larger gecko species may prey on small centipedes or subsonoids.

Interestingly, some geckos feast on nectar and fruit, especially in tropical regions. Species like the Japanese Whitney’s Leaf-Tailed Gecko and certain African geckos supplement their insect diet with fresh fruit and floral nectar, taking advantage of available plant-based energy sources.

Key Insights

Pet Geckos: What to Feed Your Scaly Friend

If you’re caring for a gecko as a pet—common species include Leopard Geckos, Tokay Geckos, or House Geckos—mimicking their natural diet is key to their health and longevity.

1. Leaf-Tier Insects – The Staple Diet

Commercial gecko diets and cricket blends are convenient, but live insects remain superior:

• Crickets (well-grown, gut-loaded)
  
• Mealworms (with properly dusted nutrition)
  
• Dubia roaches (high in protein, low vibratory waste)
  
• Superworms (in moderation; harder to digest)

Tip: Always gut-load insects (feed them nutrient-rich foods 24–48 hours before offered) and dust them with calcium and vitamin supplements at least twice weekly.

Final Thoughts

2. Occasional Treats

Geckos benefit from occasional variety:

• High-protein feeds: Waxworms (rarely, due to high fat), silkworms
  
• Fruit juices and nectar supplements: Applesauce diluted with water (for moisture, not sugar-heavy diets)
  
• Vegetables: Leafy greens like kale or dandelion greens (not a main meal, but good for hydration)

❌ Avoid neglecting protein: Geckos need insect-based nutrition; plant-only diets lead to severe deficiency and shortened lifespans.

Feeding Frequency by Gecko Species and Age

| Gecko Type | Age Range | Feeding Frequency | Diet Notes |
|-------------------|--------------------|-------------------|------------|
| Juveniles | Hatchling to 6 months | Daily | High-protein insects every day to support rapid growth |
| Subadults | 6 months – 2 years | 4–5 times per week | Phase in varied prey and occasional greens |
| Adults | 2+ years | 3–4 times weekly | Focus on gut-loaded insects; reduce frequency if overweight |