Owners regularly don’t know their lizard pet’s gender when they obtain it. It is almost impossible come tell lizard’s sex until it is 4-6 months old, when the body forms and also grows bigger. So exactly how to differentiate in between a male and female pet lizard? This article will aid you learn about lizard gender determination. This is particularly important if you plan to breed your pet lizards.

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Most indications that point to the sex become noticeable only when the lizard get adulthood. So, the seller will certainly not be always able to tell the sex of a baby reptile.

To recognize your lizard’s gender, you must pay attention to so called sexual dimorphisms. These are various attributes that are different in male and female lizards.


Looking in ~ pet lizard’s vent is regularly the easiest method to determine the sex. Various features, together as bump of particular shapes and also pores over the vent, can tell the gender of her pet lizard.

To watch at her pet lizard’s vent, location it on a table and lift the tail increase slowly and gently, to virtually 90 levels for a good view.


Most male iguanas, sailfin and basilic lizards have actually some features that distinguish them indigenous females. Those masculine lizards have actually a distinctive crest on your head and back, which is composed of tiny spikes.

Also, part male chameleons have skin spikes or little knots about their head. Masculine agama lizards regularly have both a crest and also some pores on their inner hip side. Among the main signs of plenty of male lizards space heel pores.


Anole lizards are rather different. You can determine a masculine anole through its flap that skin under the throat. Green anoles through red throats space usually ones puffing their throats.

Male anoles often have two huge scales in prior of their cloaca, which is positioned close to the tail. Cloaca in lizards is the opening for urinating and defecating. Mrs lizards usually have actually an enlarged sharp closer come cloaca.

Another characteristic the can aid you identify a masculine gecko lizard is preanal pores. This additionally applies to others – such as monitor lizards, iguanas, lacertas (true lizards), anoles and agamas.

Preanal or i know good (femoral) pores are occasionally used by lizards to mark their territory. Part geckos and also bearded dragons leave their difficult secretions approximately the terrarium, to mark their space.

Please note, the trying to number out lizard’s sex by looking at preanal or i know good pores will not constantly give you positive results. The thing is, many lizards can readjust their pore size depending upon the season.

There is one thing that will help you identify the sex – adjustment lizards. Most lizards mate in spring and the girl should be ~ above the bottom, and the boy have to be on top.


What is more, virtually every boy lizard has actually brighter fancy skin. This is an extremely common with other pets too, such together mammals and also birds. Part male lizards may have actually bright coloration close to their legs, neck or eyes.

Body size and energy levels

Most male lizards show greater activity levels 보다 females. Masculine lizards often tend to operation around much more than females, and also tend to get especially energetic around spring/summer mating times.

It’s quite difficult to identify the gender with body size. While many other animals have bigger males than females, lizards space an exception. While most iguanas, geckos and anoles have actually larger males, other lizard types have bigger females.

Females that knob-tailed geckos are often bigger, with more comprehensive hips. I would not recommend deciding the sex by just comparing lizards’ sizes, together this is not a critical indication.

Veterinarian tests

If friend are having actually a difficulty with identifying her lizard’s gender, shot visiting a reptile veterinarian.

They can use a distinct surgical probe and also insert in into the lizard’s cloaca. Also, they have the right to insert a small camera inside her pet’s body, so the they deserve to see the reproductive organs.

Blood analysis is a test that will absolutely give you best results. V blood test, male lizards will certainly have higher testosterone (male hormone) levels, 보다 female lizards.

Bearded dragon sex/gender identification

It is basic to phone call bearded dragon’s sex as soon as it transforms 3-6 month old. Many male bearded dragon are bigger than females and are more active. The main features that distinguish male and also female moustache dragons as soon as looking in ~ the vent are:

Male bearded dragons have actually two oval bulges or swellings ~ above both sides of the tail over the vent – hemipenes. There is likewise a dip between the two bumps.


Female mustache dragons don’t have any kind of bumps ~ above the sides of the tail. Instead, they have a triangular bang just over the vent.


Iguana gender identification

It is impossible to discover out iguana’s gender until it has reached sexual maturity. This is around the period of 1.5-2. Assessing the vent and also looking at the general features will help identify iguana’s sex.

As iguanas thrive older, the becomes basic to phone call the gender. This is true because male iguanas develop larger heads and also cheeks. Large muscle cheeks in males makes them watch swollen. Mrs iguanas have much smaller sized heads than males.


Another means to identify iguana’s gender quite quickly is to look at the vent area.

Male iguanas have huge pores on the sides of their legs – starting from the base of the tail. This pores room filled through a liquid that iguanas use during a reproduction season to mark their territory.


Female iguanas have actually these pores, yet they are an extremely faint and not together prominent.


There is one more example of the pores.


You can uncover out your iguana’s sex by looking at these pores and general characteristics.

Leopard gecko sex identification

Leopard geckos are tough to sex till they end up being bit older and start arising preanal pores and hemipenes. You can use a magnifying glass and bright irradiate to look in ~ young leopard gecko’s vent as soon as it will 4-5 month old, but experts can shot doing it in ~ the period of 2 months.

The huge difference in between male and female leopard geckos is the head and neck size. Males have actually a bigger head and more comprehensive neck 보다 females.

But the most accurate way to determine leopard gecko’s gender is come look in ~ its vent area. Male leopard geckos have a heat of preanal pores in a form of a letter V.

Females don’t have actually prominent preanal pores, and they look like dots rather than pores. What is more, male leopard geckos have actually a hemipenal bulge in ~ the basic of the tail – this is whereby hemipenes (sexual organs) are located.


Crested gecko gender/sex identification

You can’t recognize crested gecko’s sex till it turns at least 5-6 months old. The best age and size to recognize crested gecko’s sex is once it turns around 8 months old, or reaches about 3 inch (7.6cm) in length, every little thing first.


Determining crested gecko’s sex by looking at the preanal pores is challenging. Both male and also female crested geckos have actually a heat of scales v pores top top the bottom that the belly.

But there is just a tiny difference – males have slightly an ext prominent pores than females.

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The best method to recognize a crested gecko’s sex is to wait until it get 5-8 months and check if it has actually started emerging a hemipenal bulge. Males will construct a hemipenal bulge (reproductive organs), while females will have a flat area ~ above the bottom of the tail.