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Can You Leave Crickets In Your Leopard Gecko’s Tank? 

can you leave crickets in a leopard gecko cage

Crickets are a primary food source for leopard geckos, but let’s be honest – they can be sneaky creatures! You’ve probably heard that you’re supposed to take all the crickets out of the tank at night, but you may find yourself wondering if it’s really that important. So is it ok to leave live crickets in your leopard gecko’s tank if they have not eaten it before you go to bed?

Leaving crickets in your leopard gecko’s tank overnight can be harmful to their health. Live crickets inside the tank can attack the leopard gecko, causing stress or injury. They might also die in hidden places in your gecko’s tank

First-time keepers may find taking care of a leopard gecko daunting. By identifying causes of problems and scheduling feeding times for your pet reptile, you will have a more pleasant experience handling your pet geckos with live cricket feedings. 

Why Leaving Crickets Overnight is Bad for Leopard Geckos

Crickets are ideal live feeder insects (click here to learn why), which are highly nutritious for your pet reptiles. However, because these are live insects, they can be a source of distress for your pet if they’re left uneaten for the night. 

Crickets can bite if they get hungry 

Under normal circumstances, crickets don’t attack larger predators. However, once they become hungry, it is possible that crickets may attack leopard geckosWe show you what crickets can do to leopard geckos here.

Although crickets have tiny teeth, they can easily bite through your pet gecko’s delicate skin. These bites could potentially leave your leos vulnerable to bacterial infection.

Crickets leave a terrible smell

With their small builds, these critters can escape from your gecko and hide in tiny crevices within your pet’s vivarium.

Left unattended, these live insects may die in these spots and rot. If their remains are not entirely removed, it can leave a foul smell in your leos’ tank and possibly affect their health. 

Novice pet keepers may want to indulge their pet reptiles with crickets to keep them well fed throughout the time they are away.

When these insects remain uneaten and die in these enclosures, pet owners must remove everything from the tank to find the remains of rotting crickets.

The tank must then be thoroughly cleaned before putting your geckos and all the accessories back.

Crickets become a stressor 

Uneaten live crickets jump around the tank and make constant high-pitched noises. Geckos only hunt for a meal in the wild when they want one.

They don’t keep live insects around so they can eat it later on. Being in an enclosed tank with numerous live insects inside becomes a stressful situation for your gecko. 

Crickets can be unruly and are not easily intimidated, even by large predators such as leopard geckos. Moreover, your pet reptiles may need to keep defending themselves from these critters’ bites and distractions. 

too many crickets in leopard gecko tank

Crickets lose their nutritional value 

Feeding your geckos with gut-loaded crickets is essential for their daily nutritional needs. Two days of gut-loading crickets will yield sufficient calcium to phosphorus ratio and vitamin A fit for carnivore requirements.

To get optimum nutritional value from live feeds, your leopard gecko must consume the insect soon after being dusted with calcium. Crickets frequently groom, and the dust won’t stay on for long.

Even if your leopard gecko eats the crickets that have been in the tank for hours, it won’t have the same benefit as eating crickets freshly gut-loaded and dusted. 

How to Keep Crickets from Hiding in Your Leopard Gecko’s Tank 

There are some practical ways to keep live crickets from hiding in your leopard gecko’s enclosure and potentially harming them in the long run.

When feeding time comes around, you can protect your leos from unwanted consequences with a little careful planning. 

Feed only one to two insects at a time 

Monitor your gecko’s feeding behavior. A typical leo would consume one or two crickets per meal, while younger geckos tend to eat more. A one-year-old gecko will only need to eat four times a week. 

Place leopard geckos in a different tank for feeding 

It is much easier to keep track of the crickets you feed your pet reptile with a smaller feeding tank with less foliage.

Your leopard geckos will then immediately be able to see their food and consume it as it comes compared to feeding them with live insects in their larger vivarium. However, you need to check if your pet reptile can adapt to this method. 

If you’re going away, feed your geckos ahead of time 

Leaving crickets with your geckos unsupervised could be harmful to your pet. If you have a scheduled trip the following day, it’s best to feed your leopard gecko ahead of time.

For trips lasting longer than a few days, you need a reliable pet caretaker to feed your gecko appropriately and on time. 

Remove the cricket’s hind legs 

Removing a cricket’s hind legs limits its movement and prevents it from hiding in tiny crevices in your pet gecko’s tank. Crickets still need to have some activity though to attract your gecko’s attention and feed on it, so be careful not to kill the cricket.

You can see how to do it in this video:

How to Remove Crickets from Your Leopard Gecko’s Tank

Catching crickets in your pet’s tank can be hard work. Here are some ways you can take out crickets after your pet gecko is full: 

  • Since crickets love to hide in dark and small spaces, a toilet paper roll makes an excellent hideout for these insects. After leaving the cardboard roll for about 15 to 30 minutes, you can take it out and shake out the crickets into a bag. 
  • Working similarly to cardboard tissue rolls, you can use cardboard egg crates. Wait for 15 to 30 minutes before taking them out of the tank. Then shake the crickets out in a bag or back to the cricket enclosure. 
  • Use a small, clear plastic cup, like the ones that come with kids’ cough syrup. Use the cup to chase the insect to a corner and scoop it out of the tank

Simple Ways to Prevent Crickets from Munching On Your Leopard Gecko 

Agitated and hungry crickets could target your leopard gecko if they stay in your pet’s tank for a long time. Here are some efficient ways to keep crickets from harming your pet if you’re leaving these live insects inside the tank.

  • Place potatoes, carrot peels, or leafy greens in small amounts in a container. Leave this in the tank while your pet lizard is feeding.  
  • If vegetables are not available, use small portions of bananas, apples, or oranges placed in a small container. This is a staple food for crickets, so they can feed on these instead of biting your pet leopard gecko. 


Crickets are essential for your pet’s diet, and are a highly recommended live feed for leopard geckos because of their high nutritional value.

However, it is good practice to remove leftover insects after each feed. Proper feeding scheduling and identification of your gecko’s eating behavior will help you prevent damage and stress caused by crickets.

Pierre And The ReptileCraze Team