Do Lizards Eat Cockroaches?

Lizards are capable of devouring cockroaches, which are also known as bugs.

Some species even eat multiple roaches at a time. You can feed your lizard roaches by leaving out pieces of roaches’ bodies.

So, do lizards eat cockroaches? Lizards are amazing creatures with bright colors and fascinating behaviors.

However, many lizard species eat cockroaches. They do this by catching them with their lips or by biting the cockroach in half.

They can also swallow the cockroach head first and then eat the rest. Overall, lizards are amazing creatures that can eat cockroaches.

Do Lizards Eat Cockroaches?

They do consume some types of insects but only a few species enjoy eating these bugs at all.

Not all lizards, however, can consume meat-filled animals or live prey for that matter; this is the reason why their food source is almost exclusively plants and other vegetation.

They are generally herbivores and like the omnivore lizard; lizards also have specific preferences when it comes to their meals, which include: crickets, grasshoppers, mealworm, and the like.

Some lizards eat only insects that are safe for them to digest, other will eat insects and other invertebrates that fall in the omnivore category, while others eat only plants or animals that they can fully digest.

Furthermore, even if they are capable of consuming different types of foods.

The diet of different species varies widely due to the differences in the geographical range, habitat type, as well as size.

They will not consume any animal that is toxic to them in any way as doing so can be fatal to their systems.

Do Lizards Like Cockroaches?

Lizards eat on insects such as crickets, grasshoppers and moths among others.

As a result, it is common for pet lizard owners to feed them either live prey or prepared meals consisting of frozen crickets and other insect parts such as wings, legs, heads, etc.

What Lizards Consume Cockroaches?

Monitor lizards

Monitor lizards may occasionally feed on various types of worms as well as on small mice and rats depending on the locality they live in and their dietary needs.

For instance, up to 80% of these lizards in deserts and savannahs consume worms and mice, while up to 60% of these lizards in the water swamp and mangrove swamps eat moths and water beetles.

As a result, many insects, spiders and even scorpions may be consumed by monitor lizards from time to time. This explains why some of these reptiles are also referred to as ‘ambush predators’.

Some cockroaches may grow to be as long as a monitor lizard’s body.

This is the reason these animals prey on these pests as they can easily be caught with their long tongues or sharp teeth.

Leopard Geckos

Cockroaches are good prey for leopard geckos.

These lizards can easily swallow whole cockroach bodies while still alive, while other will eat the liquefied contents of cockroach abdomen and other body parts such as legs as well as heads.

Since leopard geckos are small in size, they can easily consume whole cockroaches with their long tongues.

Furthermore, they don’t necessarily need to consume the entire insect body. They can simply swallow the liquefied contents from the head of the insect including the saliva inside their body.

They are particularly fond of doing this with certain types of cockroaches such as the brown-banded cockroach, German cockroach and the smoky-brown housefly.

Cockroaches are also a favorite food for Egyptian night crawlers.

If crickets are not devoured by lizard species quickly, they are likely to be consumed by these creatures over time.

Cockroaches, on the other are consumed alive by these reptiles when the opportunity arises.

Bearded Dragons

Cockroaches are undoubtedly a good source of proteins for bearded dragons.

As a pet, they should be given food that is rich in proteins, vitamins and other nutrients to maintain their good health.

So feeding them cockroaches is very beneficial as it provides them with the energy they require for their survival.

These lizards are sometimes fed crickets. However, these insects may be sometimes too small for the reptile to ingest in its entirety.

Is Eating Cockroaches Safe for Lizards?

As long as the cockroaches are not contaminated with insecticides or pesticides, then they are safe for bearded dragons to eat.

Cockroaches don’t sting, and they do not bite either.

Lizards can eat different types of cockroaches as long as they are not infected with any pathogens or viruses that can harm them.

Baby lizards will devour bugs such as caterpillars, flies, grasshoppers and beetle larvae as these insects are easy to digest and do not pose any harm to them.

Cockroaches do not contain any venom in their bodies that could harm your pet lizard in any way.

Do Lizards Keep Cockroaches Away?

The lizards like eating cockroaches because these animals are a good source of nutrients for them such as proteins, fats and calcium, which are required for their healthy growth.

Cockroaches are a regular part of their diet so they don’t pose any harm to them.

Lizards have been seen keeping other insects away from their homes and eating these bugs themselves.

The German, Brown-banded, and Smoky-Brown Housefly are the most common pests that have been observed to be kept away from the homes of bearded dragons by these animals.

This is due to the fact that these flies lay eggs around the beard dragon’s tank or in the plant bedding of the reptile. As a result, they may breed and eventually harm the lizard.

Furthermore, these animals are voracious eaters so they will eat different types of insects including roaches, spiders and even other lizard species.

For this reason, it is not unusual to find organizations involved in the conservation of lizards keep these animals as a deterrent for other insects that may be harmful to their environments.

Also Read: Can Roaches Eat Through Plastic Bags?


In conclusion, lizards eat cockroaches. They eat cockroaches because cockroaches are healthy for them.

Lizards eat cockroaches because they are high in protein and vitamins and are low in fat. In conclusion, lizards eat cockroaches because it is healthy for them.