
Crested Gecko Care: Your Complete Guide
You’ve just brought home your first crested gecko, a beautiful little harlequin, and it’s clinging to the side of its temporary tub. You know they need a tall tank and a special diet, but the sheer amount of conflicting advice online is overwhelming. Getting the fundamentals right from day one is the difference between a thriving, 20-year companion and a stressed, unhealthy pet. Let’s cut through the noise with clear, actionable steps based on two decades of collective reptile-keeping experience.
Setting Up the Perfect Enclosure
The enclosure is your gecko’s entire world. For a single adult, a minimum of 18″x18″x24″ is non-negotiable; I always recommend starting with a 18″x18″x36″ if you have the space. Height is critical—these are arboreal animals. Screen tops are great for ventilation, but in dry climates, a front-opening glass terrarium like the Exo Terra 18x18x24 helps maintain the 50-70% humidity they need. The substrate matters: avoid loose particulate bedding for juveniles. Use paper towel for babies for easy monitoring, and upgrade to a bioactive mix or coconut fiber for adults. The most common mistake I see is under-furnishing. Your gecko needs clutter—horizontal cork tubes, magnetic ledges, and a dense assortment of artificial or live plants—to feel secure and explore. A simple, low-wattage ceramic heat emitter on a thermostat can provide a gentle 72-78°F warm spot if your room dips below 70°F.
Mastering Diet and Nutrition
Forget the old myth of just feeding fruit baby food. Modern, prepared Complete Crested Gecko Diets (CGD) from brands like Pangea or Repashy are the cornerstone of a healthy diet. They’re a balanced powder you mix with water, containing all necessary vitamins, minerals, and protein. I rotate between Pangea’s “Fig & Insects” and Repashy’s “Classic” flavors to keep my geckos interested. Offer a fresh batch every other day in a shallow dish like the Magnetic Jelly Jar Ledges—they’re a game-changer for keeping food off the floor. For adults, you can offer a couple of gut-loaded crickets or dubia roaches once a week as a supplement, but CGD is fully complete. Always provide a shallow water dish with fresh water. The biggest nutritional error is over-reliance on insects or using outdated vitamin powders; a quality CGD eliminates all the guesswork.
Handling and Building Trust
Crested geckos are observational pets, not cuddly companions. Patience is everything. For the first 1-2 weeks, don’t handle them at all—just change food and water. Let them settle. When you do start, begin with short, 5-10 minute sessions a couple of times a week. Always approach from the side and below, never from above (you look like a predator). Let them walk onto your hand voluntarily; never grab or restrain. If they’re skittish, try handling in a small, secure area like a empty bathtub with a towel. Remember, they can and will jump. A dropped tail (autotomy) is permanent, so move slowly and confidently. With consistent, gentle interaction, most will calm down considerably, but their individual personality will always dictate their tolerance level.
Health Checks and Common Issues
A healthy crested gecko is alert, has clear, bright eyes, and a plump tail (its fat reserve). You should see regular, well-formed droppings. Weigh your gecko monthly with a small digital gram scale; sudden weight loss is a major red flag. The most common issues stem from environment: low humidity causes stuck shed, especially on the toes, which can lead to loss. A simple humid hide packed with damp sphagnum moss can prevent this. Metabolic Bone Disease (MBD) from calcium deficiency, thankfully rare with CGD, shows as a wobbly jaw, bowed limbs, or difficulty climbing. If you see any signs of lethargy, sunken eyes, or mucus around the nose/mouth, consult an exotic vet immediately. Proactive, quiet observation is your best tool for early detection.
What size tank does a crested gecko need?
An adult crested gecko needs an absolute minimum enclosure size of 18 inches long, 18 inches wide, and 24 inches tall (18″x18″x24″). This is the bare legal minimum in some places. For optimal welfare, I strongly recommend a taller 18″x18″x36″ enclosure, which gives them much more vertical space to climb and explore, mimicking their natural habitat far better.
How often should I feed my crested gecko?
Offer a fresh mix of Complete Gecko Diet (CGD) every other day for juveniles and 2-3 times a week for adults. Remove any uneaten food after 24-48 hours. You can supplement an adult’s diet with 3-5 appropriately sized gut-loaded insects (like crickets) once a week, but the CGD should remain their primary food source as it’s nutritionally complete.
Why won’t my crested gecko eat?
First, don’t panic. New geckos often refuse food for up to two weeks while acclimating. Double-check your temperatures (70-78°F is ideal) and ensure you’re not handling them. If the issue persists, try a different flavor of CGD—Pangea’s “Watermelon” or “With Insects” are often irresistible. Also, ensure the food is the right consistency (like ketchup) and placed in an accessible, secure ledge dish. If refusal continues beyond 3 weeks with weight loss, consult a vet.
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Last updated: April 13, 2026
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