If you’ve found yourself dealing with a crested gecko not eating, you’re not alone. This is one of the most common questions new keepers ask, and most of the time, it has a simple explanation and an even simpler fix. Let’s walk through the most likely reasons your gecko isn’t eating and what you can do to help them get back on track.

If you’re researching crested gecko care because you’re considering getting one soon, we also have beautiful captive-bred crested geckos available.

Crested Gecko Not Eating – Quick Answer

If you’re facing a crested gecko not eating, the most common reasons include settling into a new home, stress, improper temperatures, lack of enclosure clutter, hydration issues, or diet preferences. These are all easy to fix with a few adjustments.

Common Reasons for a Crested Gecko Not Eating

1. Your gecko is new and still settling in.

This is the number one reason for a crested gecko not eating. New geckos often take up to two weeks to feel safe enough to eat consistently.

Help them adjust by adding security and reducing stress:

• Add plenty of vines, cork bark, fake plants, and hides
• Cover the sides/back of glass tanks
• Provide clutter high and low in the enclosure
• Avoid handling for 1–2 weeks

Even simple materials like egg crate, packing paper, or small cardboard boxes work well during this period.

2. The enclosure feels too open.

ICrested geckos are arboreal and rely on foliage for safety. An open, bare enclosure can make them feel exposed, which leads to a crested gecko not eating simply from stress.

Signs the enclosure feels insecure:

• Staying low in corners
• Darting when approached
• Not exploring
• Only eating at night (or not at all)

Adding clutter often results in an immediate improvement.

3. Your gecko is too cold

Temperature is a major factor in a crested gecko not eating. If your gecko drops below 72°F during the day, their metabolism slows dramatically.

Keep temps in this safe range:

• 72–78°F during the day
• Never exceed 80°F
• Use a small heat lamp on a thermostat if needed
• Avoid heat mats (cresteds are arboreal)

A warm, stable environment often jump-starts their appetite.

4. Handling is stressing them out

If your gecko isn’t eating, stop handling until feeding normalizes. Handling increases stress levels and can easily trigger a crested gecko not eating response.

Hand-feeding should only be used once they’re already eating well, as some geckos become dependent on it.

5. They’re picky (yes, it happens!)

Crested geckos absolutely have preferences.

Most geckos reliably eat these high-quality diets:

• Pangea
• Lugarti
• Blue River Diet
• Mossy Gecko Diet

Other notes:

• Repashy has great ingredients but many cresteds dislike the texture.
• Zoo Med’s newer formulas are healthier than they used to be, but not widely accepted.
• Fluker’s gecko food should be avoided — not nutritionally complete.
• Baby food is outdated and can cause MBD, metabolic bone disease. This is very dangerous for your gecko so baby food, even 100% fruit flavored ones should be avoided at all cost.
• Jelly pots are sugary, low-nutrition, and best avoided entirely.

If your gecko isn’t eating its complete diet (one of the nutritionally sound ones), don’t offer bugs — you want them eating a balanced diet first. If they are eating only small amounts of diet or they are eating less diet than they did before offering bugs, that’s ok. As long as some complete diet is being eaten you can offer small amounts of gut loaded, dusted bugs.

6. Your gecko may prefer thicker or thinner food

Sometimes a crested gecko not eating is simply a matter of texture. The ideal consistency is ketchup-like, but:

• Some prefer thicker
• Some prefer thinner
• Some prefer day-two fermented food (totally normal!)

Experimenting with texture can make a big difference.

7. They might be dehydrated

Dehydration frequently leads to a crested gecko not eating.

Make sure:

• Humidity stays above 60%
• The enclosure is misted at least every other day
• Water droplets are available at least every other day
• Winter misting may need to be increased because heating systems dry out the home environment.

Some geckos never use water bowls — droplets must be available for them to drink.

8. Baby geckos eat tiny amounts

Young cresteds often lick only a tiny amount. You may not see tongue marks unless the mix is thicker. If you’re seeing poop, then despite appearances your crested gecko is not eating much — but they ARE eating.

To see these marks you can increase the thickness of the food.

It is also a good idea to offer food in two spots to young crested geckos to increase the likelihood that they will find it.

9. Seasonal slowdowns happen

In winter, many crested geckos eat only once a week or very lightly. This is normal unless accompanied by lethargy or weight loss.

How to Fix It (Step-by-Step)

1. Stop handling for 1–2 weeks
2. Add more clutter and hiding spots
3. Cover tank sides for security
4. Keep temps between 72–78°F
5. Use a high-quality diet
6. Adjust food texture
7. Mist regularly for hydration
8. Avoid bugs until diet intake is normal
9. Watch for poop — it’s proof they’re eating

When to Worry

A crested gecko not eating becomes concerning if you also see:

• Sunken eyes
• Lethargy
• Wrinkled/droopy skin
• Noticeable weight loss
• No poop + no eating for 2+ weeks

At that point, a reptile vet visit is recommended. If you don’t know of a reputable, reptile vet in your area check out The Association of Reptile and Amphibian Veterinarians.

Frequently Asked Questions

Q: My crested gecko is not eating on the first day but eats on day two. Is this normal?

Yes! Many geckos prefer food on day two, when it has started to break down slightly. This is completely normal.

Q: What should I do if my crested gecko not eating continues for weeks?

If the behavior continues beyond 2 weeks and you’re seeing weight loss, dehydration, or lethargy, contact a reputable reptile veterinarian.

Q: Should I hand-feed if my crested gecko won’t eat?

Not at first. Hand-feeding can create dependency. Once they are eating normally, hand-feeding can be used for bonding.

Q: How do I know if my gecko is eating at all?

Look for poop. Even small amounts indicate your gecko is eating enough to maintain basic function.

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