Standing’s Day Gecko: Characteristics, Care, Diet, Behavior, As Pet

The Standing’s Day Gecko (Phelsuma standingi) is a unique and intriguing species of lizard belonging to the Gekkonidae family. Endemic to the southwestern regions of Madagascar, this arboreal and diurnal creature is known for its remarkable size, making it one of the largest living species of day geckos.

Its vibrant body color can vary from brownish-grey to bright green or turquoise, often adorned with grey to blue reticulated markings, creating a captivating visual spectacle.

Standing's Day Gecko

This detailed article will explore the physical attributes, behavior, diet, and predation habits of the Standing’s Day Gecko. It will also delve into its lifespan and reproductive habits, considerations for keeping them as pets, and the essential conservation efforts needed to ensure their survival.

Whether you are an avid herpetologist, an aspiring pet owner, or simply a nature enthusiast, this comprehensive guide aims to shed light on the fascinating world of the Standing’s Day Gecko.

Physical Characteristics

The Standing’s Day Gecko is a sizable lizard, being one of the largest living species of day geckos. Its length can reach 20-25 centimeters, making it a noticeable presence in its arboreal habitat.

The coloration of the Standing’s Day Gecko is a spectacle in itself. Depending on the intensity of light, it can display a body color that ranges from brownish-grey to bright green or turquoise. Adding to this vibrant palette are grey to blue reticulated markings that pattern its body and head, giving it its distinctive and attractive look.

Distinctive features

Distinctive features of this gecko include a large head and short limbs, which are typical for day gecko species. The head color is usually yellowish-green, serving as a contrast to its colorful body.

Like other geckos, they possess adhesive toe pads covered with tiny hairs known as setae, which allow them to effortlessly scale smooth and vertical surfaces. This ability is essential for their arboreal lifestyle, enabling them to navigate the complex terrain of the Madagascar rainforest.

The tail of the Standing’s Day Gecko is prehensile and can be voluntarily shed as a defensive mechanism against predators, a process known as autotomy. The regenerated tail, however, may not possess the same color and pattern as the original, creating a unique feature for each individual gecko.

Anatomy and Physiology

The Standing’s Day Gecko has a physical structure that is beautifully adapted for an arboreal lifestyle, allowing them to thrive in the vertical world of the Madagascar rainforests.

Body structure

The body structure of these geckos is characterized by a large head and relatively short limbs. The head size is proportionally larger compared to the rest of the body, housing essential sensory organs like the eyes, nose, and mouth. This feature might also serve as a deterrent to smaller predators.

Their limbs, though short, are robust and muscular. The fingers and toes are equipped with adhesive pads, which contain thousands of microscopic hairs known as setae. These setae allow the gecko to cling to and climb almost any surface, no matter how smooth or vertical.

This ability is vital in their arboreal environment, enabling them to escape predators, hunt for food, and find mates with great agility and ease.

Prehensile tail

Another remarkable adaptation is their tail. The Standing’s Day Gecko, like many of its relatives, has a prehensile tail that can be used for grip and balance when navigating their tree-top habitats. In response to a threat, they can voluntarily shed their tail to distract predators, a defense mechanism known as autonomy.

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Additionally, their skin is covered in small, granular scales that provide some degree of protection against minor injuries and parasites. The vibrant coloration and patterns of their skin also serve as excellent camouflage, allowing them to blend in with the colorful foliage of their habitat.

Finally, their large, round eyes are adapted for diurnal activity. The eyes of the Standing’s Day Gecko are incredibly sharp, allowing them to spot predators and prey from a distance. Their color vision is exceptionally advanced, which aids in their communication and mate selection.

Lifespan in the Wild Versus in Captivity

In the wild, the lifespan of Standing’s Day Geckos can be influenced by several factors, including predation, disease, and environmental conditions. While exact data on their lifespan in the wild is hard to come by due to these varying factors, it is generally believed to be shorter than in captivity.

Standing's Day Gecko

In captivity, where threats are minimized and diet and climate can be controlled, Standing’s Day Geckos often live longer. With proper care, they can live up to 8 to 10 years or more. This lifespan is contingent upon a suitable habitat, a balanced diet, and appropriate veterinary care.

Regular check-ups can help identify and treat potential health issues early, further contributing to their longevity. It’s worth noting that captive-bred individuals are typically healthier and live longer than wild-caught ones, as they are less likely to have parasites or illnesses and are better adapted to living in a captive environment.

Behavior and Social Structure

Being diurnal, Standing’s Day Geckos are active during the day and rest at night. They spend most of their time in the trees, owing to their arboreal lifestyle. Their daily activities include hunting, feeding, grooming, and basking in the sun.

They are highly active and agile, frequently moving about their environment in search of food or to establish and defend territories.

Social Structure and Interactions

Standing’s Day Geckos, like many reptiles, are predominantly solitary creatures. They tend to live and hunt alone, coming together mainly for the purpose of mating. Interactions between geckos outside of mating season are generally minimal, although occasional encounters may occur, especially in environments where their territories overlap.

Standing’s Day Gecko Care

Ideal Habitat Conditions in Captivity – Standing’s Day Geckos are arboreal creatures, meaning they love to climb and spend most of their time in the trees. Therefore, they need a vertically oriented enclosure that mimics their natural habitat. A typical terrarium should be at least 18 inches by 18 inches by 24 inches for one or two geckos.

The terrarium should have plenty of branches, leaves, and hiding spots to replicate the forest environment. Live plants, like pothos or bromeliads, can help maintain humidity and provide additional climbing and hiding spots.

The humidity should be kept around 70%, with a slight drop at night. The temperature should range between 75-85°F (24-29°C) during the day and can drop to around 70°F (21°C) at night. UVB lighting is crucial for their health as it helps them to metabolize calcium.

Suitable Diet in Captivity

Standing’s Day Geckos are omnivorous, feeding on both insects and fruits. Their diet in captivity should include a variety of insects such as crickets, mealworms, and roaches, as well as a mix of fruits.

You can also offer commercially available gecko food that includes essential vitamins and minerals. It is essential to dust the insects with a calcium supplement to prevent metabolic bone disease.

Territorial Behavior and Communication

Standing’s Day Geckos are highly territorial, with males especially showing aggression towards other males encroaching upon their established territories. Territorial disputes may involve a display of bright colors, body posturing, and vocalizations.

The geckos communicate primarily through visual and tactile signals. Body postures, movements, and changes in skin color are some of the ways they express different emotions or intentions.

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They may also use touch during mating or when establishing dominance. Vocalizations, such as hissing or chirping, are less common but may be used to signal distress or during territorial disputes.

Diet and Predation

The Standing’s Day Gecko is an omnivore, with a diet consisting of a mix of insects and fruits. They are known to feast on various types of invertebrates, including beetles, spiders, and caterpillars. Their broad diet is a testament to their adaptability, allowing them to take advantage of a wide range of food sources available in their environment.

Feeding Habits and Strategies

The Standing’s Day Gecko is a diurnal creature, meaning it is most active and feeds during the day. Their excellent vision plays a significant role in their feeding habits. They use their keen eyesight to spot potential prey from a distance.

Once they have located their prey, they will stalk it slowly, using their camouflage to blend in with their surroundings before making a quick and decisive strike.

While they predominantly feed on insects, Standing’s Day Geckos also enjoy the nectar from flowers and the pulp of ripe fruits. They play a crucial role in their ecosystem by helping to pollinate the flowers they feed on and dispersing seeds from the fruits they eat.

Predators and Defensive Strategies

In the wild, Standing’s Day Geckos face threats from various predators, including birds, snakes, and larger reptiles. They rely on their excellent camouflage to avoid detection. When threatened, they can shed their tail, a process called autotomy, to distract predators and make a swift escape.

The tail will eventually regrow, but it might not have the same color and pattern as the original. The geckos are also known for their speed and agility, which they use to escape threats. Their adhesive toe pads enable them to quickly scale vertical surfaces and navigate through dense foliage to evade predators.

Another fascinating aspect of their defensive strategies is their behavior. When threatened, they may adopt an intimidating posture, open their mouth wide, and produce a hissing sound in an attempt to appear more menacing and deter potential predators.

Standing’s Day Gecko as a Pet


Standing’s Day Geckos are stunningly beautiful creatures, boasting vibrant and variable colors that can range from bright green or turquoise to brownish grey, depending on light intensity. Their jewel-like colors and engaging behaviors can make them fascinating and rewarding pets for reptile enthusiasts.

Standing’s Day Geckos are also known for being very active, providing endless hours of entertainment for their owners. They are diurnal, meaning they are awake during the day, which aligns well with human schedules.


These geckos require a carefully maintained environment that replicates their natural habitat, including appropriate temperature, humidity, and lighting conditions. This can be a challenge for individuals new to reptile keeping.

Handling Standing’s Day Geckos is also a delicate task as they are fragile creatures. Improper handling can lead to injury or stress. Standing’s Day Geckos can also be threatened by illegal collection for the international pet trade and habitat loss, making their acquisition and care a matter of ethical consideration.

Considerations Before Getting a Standing’s Day Gecko

Before deciding to bring a Standing’s Day Gecko into your home, it’s important to consider the following:

Can you provide the necessary environment for the gecko to thrive? This includes the right temperature, lighting, and humidity, as well as a spacious enclosure with plenty of climbing opportunities.

Are you prepared for the commitment? Standing’s Day Geckos can live for a considerable number of years with proper care, so prospective owners should be ready for a long-term commitment.

Can you handle the gecko gently and minimally to prevent injury and stress?

Are you prepared to feed the gecko a diet that aligns with its natural food sources, which include insects and potentially fruits or nectar?

Handling Standing’s Day Geckos

Standing’s Day Geckos are agile and delicate creatures, which makes handling them a task that requires care and sensitivity. It is best to handle them infrequently to avoid causing them stress or injury.

When it is necessary to handle your gecko, approach it slowly to avoid startling it. Gently coax it onto your hand rather than grabbing or holding it. Allow the gecko to move from one hand to the other at its own pace. Always handle your gecko over a surface in case it decides to jump or fall from your hand.

Common Handling Mistakes to Avoid

One of the most common mistakes is gripping or holding the gecko too tightly. This can cause injury as geckos have delicate bodies. Furthermore, geckos have the ability to shed their tails as a defense mechanism, so gripping them may cause unnecessary tail loss.

Another common mistake is handling the gecko too frequently or for extended periods. This can cause the gecko stress, potentially leading to health issues or behavioral changes.

Lastly, handling your gecko when it is shedding can damage the new skin underneath. During this time, it is best to leave your gecko alone and ensure its habitat has adequate humidity to facilitate the shedding process.

Health Concerns and Preventative Care

Regular veterinary check-ups are important for early detection and treatment of potential health issues. One of the most common health issues in captive geckos is a metabolic bone disease, resulting from a lack of calcium in their diet or insufficient UVB lighting.

Parasites, both internal and external, can also pose problems, especially for wild-caught individuals. Geckos can also suffer from stress, often due to improper handling or inadequate living conditions.

Signs of stress include loss of appetite, lethargy, and abnormal behavior. Providing a suitable and stable environment, following proper handling techniques, and offering a balanced diet are key preventative measures to ensure your gecko remains healthy.


Are Standing’s Day Geckos good pets for beginners?

Standing’s Day Geckos can be challenging for beginners due to their specific care requirements, including precise temperature, humidity, and diet needs. They are also delicate creatures that should be handled minimally to prevent injury or stress. Thus, they may be more suitable for intermediate or experienced reptile keepers.

Can Standing’s Day Geckos live with other geckos?

Housing multiple geckos together can be risky due to potential territorial disputes, especially if the geckos are of different sizes or the enclosure does not provide ample space and hiding spots. Therefore, it’s generally recommended to house Standing’s Day Geckos individually unless you are experienced and closely monitoring their interactions.

What size enclosure does a Standing’s Day Gecko need?

Standing’s Day Geckos are known for being very active, so they need a spacious enclosure that allows them to move freely. The exact size can depend on the gecko’s size, but an enclosure with dimensions of at least 18 inches by 18 inches by 24 inches is often recommended for one gecko.

Can Standing’s Day Geckos change their color like chameleons?

While some geckos can alter their color slightly to blend into their surroundings, Standing’s Day Geckos do not have the same extensive color-changing abilities as chameleons. Their body color can be variable, depending on the light intensity, but they do not actively change their color in response to their environment.

How often do Standing’s Day Geckos shed their skin?

Like other reptiles, Standing’s Day Geckos shed their skin periodically to allow for growth and to remove parasites. The frequency of shedding can depend on factors like the gecko’s age, with younger geckos typically shedding more often than adults. It’s normal for them to eat their shed skin as it provides valuable nutrients.

Can Standing’s Day Geckos regenerate their tails?

Yes, like many geckos, Standing’s Day Geckos have the ability to drop their tail in response to a threat, a process known as autotomy. The tail can regenerate, but the new tail may not have the same color and pattern as the original.

What should I do if my Standing’s Day Gecko is not eating?

A loss of appetite can be a sign of stress or illness in geckos. It may be related to factors such as changes in the environment, improper temperatures, or inadequate diet. If your gecko is refusing food, it’s recommended to consult a veterinarian experienced in reptile care.


Standing’s Day Geckos are undeniably captivating creatures, dazzling with their vibrant colors and engaging behaviors. However, prospective owners should be aware of the challenges associated with their care. These geckos require a carefully maintained environment and a specific diet, and they should be handled with extreme care to prevent injury or stress.

With the right care and commitment, Standing’s Day Geckos can make rewarding pets for those willing to meet their needs. As with any pet, it’s essential to acquire them from reputable sources that prioritize the well-being and conservation of the species.

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