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What is a House Gecko?

Vicki Hogue-Davies
Vicki Hogue-Davies

A house gecko is a type of small lizard that gained its name because it adapts easily to living with people and often is found in houses in the countries in which it lives. It belongs to the Gekkonidae family, which includes more than 2,000 species of geckos. These geckos are part of the genus Hemidactylus, which contains dozens of species; it is the second most populous genus in the Gekkonidae family. These geckos are found throughout the tropics and in many subtropical parts of the world.

These small lizards are noted for their ability to colonize, traveling on cargo ships and ocean flotsam to different areas. Some of their common characteristics include vertical eyes with no eyelids — instead, they have a film over their eyes to protect them. They have toes and feet made for climbing and are even able to walk vertically up walls. Like many gecko species, house geckos can detach their tails to escape from prey, and the tails will continue to move unpredictably as a distraction.

The tropical species of house gecko is native to tropical Africa.
The tropical species of house gecko is native to tropical Africa.

One of the most popular species, often found in pet stores, is Hemidactylus frenatus, or the common house gecko. This species originally comes from Southeast Asia and has been introduced in the wild into Australia, Mexico, eastern Africa, New Guinea and elsewhere. It sometimes is called the Pacific or Asian house gecko.

This species can grow from 3 to 5 inches long (approximately 7.5 to 13 cm) and can live as long as five years. It is a gentle lizard but also fast-moving and hardy. The geko's skin can change color according to its mood and sometimes can even appear transparent. The Hemidactylus frenatus also is an excellent climber that can scale vertical surfaces and, when in captivity, it can climb upside down across the top of its cage.

House geckos often travel on cargo ships, and are noted for their ability to colonize.
House geckos often travel on cargo ships, and are noted for their ability to colonize.

Some of the other species include the Mediterranean house gecko, or Hemidactylus turcicus; the tropical house gecko, or Hemidactylus mabouia; and Brook's house gecko, or Hemidactylus brookii. The Mediterranean house gecko, also called the Turkish gecko, is native to Europe, but it has spread throughout the world. The tropical species is native to tropical Africa but is also found in the Americas and the Caribbean. Brook's house gecko is a widespread species found in Africa, India, Mexico and many other places.

Frequently Asked Questions

What is a house gecko, and where can it typically be found?

A house gecko is a small, nocturnal reptile commonly found in warm climates around the world. They are often seen on walls and ceilings in homes, where they hunt for insects. These adaptable creatures are native to Southeast Asia but have spread to other regions, including the southern United States, due to their stowaway tendencies on ships and cargo.

How do house geckos benefit humans?

House geckos are natural pest controllers, feeding on insects like mosquitoes, moths, and spiders, thus reducing the number of pests in and around homes. Their presence can decrease the need for chemical insecticides, which can be harmful to the environment and human health. By maintaining a balance in the ecosystem, they play a crucial role in biodiversity.

What do house geckos eat?

House geckos are insectivorous, primarily feeding on small insects and arthropods. Their diet includes mosquitoes, flies, ants, and moths. They have an opportunistic feeding behavior and may also consume other small invertebrates. Their hunting strategy involves waiting for prey to come close before striking with speed and precision.

Can house geckos live in colder climates?

House geckos are tropical reptiles that prefer warm environments. They struggle to survive in colder climates and are not naturally found in regions with cold winters. In areas with seasonal temperature changes, they may seek shelter indoors during cooler months but generally cannot withstand freezing temperatures without human-provided warmth and shelter.

Are house geckos dangerous to humans or pets?

House geckos are not dangerous to humans or pets. They are non-venomous and do not pose a threat. In fact, they are often considered beneficial due to their insect-eating habits. However, like any wild animal, they can carry parasites and should not be handled excessively to avoid stress to the animal and potential health risks to humans.

How can I attract or repel house geckos from my home?

To attract house geckos, ensure a supply of insects for them to feed on and provide hiding spots like plants or decorations. Conversely, to repel them, keep your home free of insects, seal entry points, and reduce outdoor lighting that attracts prey. Using natural repellents like garlic or onion can also discourage them from entering your living spaces.

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    • The tropical species of house gecko is native to tropical Africa.
      By: Ruslan Olinchuk
      The tropical species of house gecko is native to tropical Africa.
    • House geckos often travel on cargo ships, and are noted for their ability to colonize.
      By: EvrenKalinbacak
      House geckos often travel on cargo ships, and are noted for their ability to colonize.