What Geckos Eat and Drink: A Practical Guide for Hobbyists and Curious Minds

Geckos and Their Diets

Geckos are versatile eaters, with diets that vary by species, habitat, and life stage. In general, most pet geckos are insectivores, thriving on a steady supply of live insects, while a few species also enjoy fruit or nectar as occasional treats. Understanding their dietary needs is crucial for ensuring their health and longevity in captivity.

What Geckos Typically Eat

• Insects are the staple: crickets, mealworms, and dubia roaches top the list for many gecko species, delivering essential protein and nutrients needed for growth and energy. Younger geckos require more frequent feeding to support rapid growth, while adults can thrive on slightly less frequent meals with variety.^[5] This frequency is important because the metabolic rates differ between juveniles and adults, necessitating different feeding schedules.

• Variety supports health: mixing prey types helps ensure a balanced intake of proteins, fats, and minerals, and prevents overreliance on a single food source. In captivity, alternating between crickets, mealworms, and roaches is common, with notes that some prey should be given in moderation due to fat content or digestibility.^[5] This variety can also stimulate natural hunting behaviors, which is beneficial for the gecko's mental health.

• Some geckos eat fruit or nectar: species such as crested geckos and day geckos are known to consume fruits and nectar, which provides hydration and vitamins. These frugivorous geckos should not be fed to purely carnivorous species like many leopard geckos, which rely primarily on animal prey.^[5] It’s important to recognize that the nutritional needs of these species differ significantly, and providing the wrong type of food can lead to health issues.

Hydration and Drinking Behavior

• Fresh water is essential: provide a shallow dish of clean water in the gecko’s enclosure and refresh it daily. Hydration supports digestion, shedding, and overall health.^[5] Monitoring water quality is crucial, as stagnant water can become a breeding ground for bacteria.

• Misting and humidity help at times: light misting can temporarily raise humidity, which can aid shedding in some species, though it is not a primary hydration method for most geckos. Always ensure water is accessible and that enclosure humidity remains appropriate for the species kept.^[5] Maintaining the right humidity levels is vital for the health of geckos, especially during shedding periods.

Diet in Practice by Common Gecko Species

• Leopard geckos: primarily insectivorous; their diet centers on live insects such as crickets, mealworms, and dubia roaches. Fruits or plant matter are not appropriate for most individuals in this group.^[5] Consistent feeding of high-quality insects is key to their health.

• Crested geckos: highly adaptable; many thrive on a combination of insects and fruit-based or commercial fruit-dust diets. It’s common to offer occasional fruits or specially formulated gecko gels alongside insect prey.^[5] This adaptability allows for a more varied diet, which can be beneficial for their overall well-being.

• Day geckos and other frugivorous types: may regularly sample fruit and nectar in addition to insects, reflecting their natural foraging behavior. Always tailor offerings to the species and consult species-specific care guides.^[5] Understanding their natural diet can help in replicating their needs in captivity.

Feeding Schedules and Health Considerations

• Juveniles need more frequent meals: young geckos often require daily feeding to support growth, while adults may be fed every other day or daily depending on species and activity. Variety and gut-loading of prey improve nutrition.^[5] Establishing a consistent feeding schedule is essential for their development.

• Gut-loading and supplements: feeding prey (insects) with nutritious foods before offering them to geckos (gut-loading) and dusting insects with calcium and vitamin supplements are standard practices to prevent deficiencies and support bone health. This is especially important for growing juveniles and females during egg production.^[5] Regularly monitoring the health of your geckos can help catch any potential deficiencies early.

• Size-appropriate prey: ensure prey is small enough for the gecko to swallow safely, reducing choking risk and digestive issues. Avoid wild-caught insects that may carry pesticides or parasites; opt for captive-bred prey whenever possible.^[5] This precaution is vital to prevent introducing harmful substances into their diet.

A Concise Takeaway

• Most geckos thrive on a varied insect-based diet, with healthy options including crickets, mealworms, and dubia roaches. Some species happily ingest fruit or nectar as supplements, while others remain strictly insectivorous. Always provide fresh water, consider gut-loading prey, and tailor feeding to the species, age, and health of your gecko for optimal wellbeing.^[5] Following these guidelines will help ensure that your gecko remains healthy and vibrant throughout its life.