Mourning Gecko Enrichment: The Only One You Should Keep in Groups
An all-female parthenogenetic species that lives in colonies. Every other gecko guide argues about whether to pair them. This one starts from a group.
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Mourning Gecko Enrichment: The Only One You Should Keep in Groups
Every other gecko guide on this site has a paragraph about whether the animals can be housed together. This species starts from a colony. For everything else about them, see our complete Mourning Gecko care guide.
Mourning geckos are parthenogenetic. There are no males, reproduction happens without them, and they live in colonies. That makes the social question, which is contested for almost every other reptile on this site, already settled here, and it makes group size an enrichment decision rather than a risk.
What the Research Actually Says
Nothing on Lepidodactylus lugubris enrichment specifically. Two borrowed threads apply.
Social housing. A 2024 study on tokay geckos, covered in our Tokay Gecko enrichment guide, measured enclosure use, basking and hiding as animals moved from single to pair housing and concluded pair housing improves tokay welfare, with socially deprived lizards more likely to move and hide before feeding. Different genus, much larger animal, so it is a supporting signal rather than proof.
Enrichment type. The leopard gecko work ranked thermal and feeding enrichment highest and visual enrichment lowest, which is the general steer for geckos.
Parthenogenesis is why this species spread across the Pacific so successfully. A single animal arriving somewhere can found an entire population, which is also why one gecko in your enclosure quietly becomes several.
Colony Housing
The default rather than the experiment. A group gives you the social behavior that makes this species interesting to watch, and it is how they live.
Provide enough vertical surface and cover that individuals can space themselves out. Crowding a colony into a small enclosure is the failure mode, not the grouping itself.
Vertical Space, Densely Planted
Small arboreal geckos that live on leaves and vertical surfaces. A tall enclosure gives them far more usable area than a wide one, and an 18x18x24 terrarium is a sensible footprint for a small colony.
Fill it. Live planting does three jobs at once here: usable surface, visual cover so animals can avoid each other, and humidity. Empty height is wasted height. Our tank setup guide covers dimensions and humidity.
Both Halves of the Diet
A prepared fruit-based gecko diet in shallow dishes placed at several heights, so feeding is distributed rather than a scrum at one point. Other flavours and sizes are available.
Then the half a dish cannot deliver: small live insects, fruit flies or micro crickets, released into the planting so they have to be hunted. Feeding enrichment ranked second in the closest gecko study, and for a tiny insectivore the chase is most of it. Our feeding guide covers proportions.
Cover at Every Level
Cork slabs run vertically, leaf litter, and planting dense enough that a gecko can be out of sight anywhere in the enclosure rather than only at the bottom. In a colony this matters more, because it lets individuals choose distance from each other.
Priority Order
- A colony rather than a single animal
- Vertical space, densely planted
- Cover available at every height
- Live prey to hunt, alongside a prepared diet
- Feeding stations distributed rather than pooled
- A low UVB gradient
- Novelty, last
What Not to Do
Do not crowd a colony into a small enclosure and conclude group housing is stressful, since space and cover are what make grouping work. Do not build height and leave it empty. Do not rely on a dish alone, because that removes the hunting half of the behavior. Do not handle much, since these are small, fast and easily injured, covered in our handling guide. And do not be surprised by eggs, because parthenogenesis means a colony grows on its own.
For the rest of their care, see our Mourning Gecko cost guide, health issues guide, and tank setup guide, or browse the rest of our Geckos care guide category.
Sources & Further Reading
3 sources
- Borrowed evidence. No enrichment study exists for this species. The findings below are from other geckos and are covered in full in our Tokay Gecko and Leopard Gecko enrichment guides.
- Changes in enclosure use and basking behaviour associated with pair housing in tokay geckos. Applied Animal Behaviour Science (2024)
- Bashaw MJ et al. (2016). Leopard geckos respond to five types of environmental enrichment. Applied Animal Behaviour Science
- Burghardt GM (2013). Environmental enrichment and cognitive complexity in reptiles and amphibians
❓ Frequently Asked Questions
Why are mourning geckos kept in groups when most geckos are not?
Because the species is parthenogenetic. Mourning geckos are all female and reproduce without males, and they naturally occur in colonies rather than as solitary territorial animals. Group housing is the normal state for them rather than an experiment.
Is there research supporting social housing in geckos?
For this species, no. The nearest evidence is a 2024 study on tokay geckos, which measured enclosure use, basking and hiding across a move from single to pair housing and concluded pair housing improves welfare. That is a different genus and a much larger animal, so it is a supporting signal rather than proof.
How much vertical space do mourning geckos need?
A lot relative to their size. They are small arboreal geckos that live on vertical surfaces and foliage, so a tall, densely planted enclosure gives them far more usable area than a wide flat one. Height with planting in it, not height alone.
What do you feed them for enrichment?
Both halves of their diet. A prepared fruit-based diet in shallow dishes at several heights, plus small live insects like fruit flies or micro crickets that have to be chased. The hunting half is what a dish alone removes.
Can I keep a single mourning gecko?
You can, and it is an odd choice for a colonial parthenogenetic species. A group is the default, and it is also more interesting to watch, since most of their visible behaviour is social.
Do they need UVB?
Low-level UVB is increasingly recommended for nocturnal and crepuscular geckos, and provision is treated as a welfare input rather than optional in current reptile literature. A gradient the animals can move within costs little.
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Written by Michael Ryan
Mike keeps two rescued bearded dragons, Dex and Cera, and writes the care guides on BeastlyFacts from his own research and mistakes. He is not a veterinarian.
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