Tokay Gecko

Overview

The tokay is one of the largest geckos alive. It is a striking blue-gray lizard with yellow to red spots and a loud voice ¹². It is also easily stressed, often defensive, and has a strong bite that can draw blood ¹². PetMD rates its care as advanced ¹. Keep a tokay because you want to watch one, not because you want a lizard to handle.

Natural history

Tokays live across south and southeast Asia, including Indonesia and the Philippines, in rainforest, on rock faces and very often in and around houses, where they eat insects ¹². Introduced populations now exist in Florida, Hawaii and elsewhere, mostly through the pet trade and cargo ¹². They are nocturnal and arboreal, can change shade to match their background, and have remarkable clinging power ¹².

Enclosure

• Size. A 10-gallon tank for a juvenile and at least 20 gallons for an adult, with the largest, tallest enclosure you can manage ¹.
• Lid. A secure mesh top for ventilation and to prevent escape ¹.
• Furnishings. Sturdy branches or a large basking rock, dense live or artificial plants, and at least two hides, one warm and one cool. Raise the hides off the floor ¹.
• Alone. House tokays one per enclosure; they are territorial ¹.

Temperature & lighting

Use an incandescent bulb or ceramic heater at one end, with all heat sources on a thermostat. Never use a hot rock ¹. Check both ends daily ¹.

Tokays can manage without UVB if their diet supplies vitamin D3, but 10 to 12 hours of UV light a day supports a normal day–night rhythm and vitamin D production. Replace UV bulbs on schedule, as they weaken with age ¹.

Humidity

Tokays are tropical and need 60 to 80% humidity ¹. Mist every night, and give a water dish big enough to soak in ¹. Keep the enclosure ventilated; constantly soggy conditions lead to skin and respiratory infections ¹.

Substrate

Use a moisture-holding substrate such as sphagnum moss, coconut fiber, orchid bark or paper pellets, and spot-clean it daily to stop mold ¹. Avoid gravel, wood chips and walnut shell, which can cause a fatal gut blockage if swallowed ¹.

Diet & supplementation

Tokays eat insects, with the odd frozen-thawed fuzzy mouse as a treat ¹.

• How often. Juveniles daily, adults every other day, as much as they will eat in about 30 minutes ¹.
• Prey size. No bigger than the space between the eyes. Vary the species ¹.
• Gut-load insects for 24–72 hours first ¹.
• Supplements. Calcium with vitamin D3 daily for juveniles and two to three times a week for adults, plus a reptile multivitamin once or twice a week ¹.

Handling & temperament

Tokays generally do not enjoy handling, and a frightened tokay bites hard and may hang on ¹². If you are bitten, set the gecko down on a flat surface and wait for it to let go; do not pull ¹. They can drop their tails, which regrow in about a month but look different ¹.

Reptiles can carry Salmonella. Wash your hands after any contact with the gecko or its enclosure ¹⁵.

Health

Common issues ¹

• Retained shed when humidity is too low. A humid hide and twice-weekly shallow soaks help.
• Skin and respiratory infections in enclosures that stay wet and stuffy.
• Gut blockage from swallowed gravel or bark chips.
• Metabolic bone disease without enough calcium and vitamin D3.

When to see a vet

See an exotic-animal vet for appetite loss lasting more than a week, stuck shed that soaks will not loosen, noisy breathing or mucus in the mouth ⁶. Open-mouth breathing, limp or oddly angled limbs, large open wounds or an unresponsive animal are emergencies ⁶.

Breeding overview

Tokays lay eggs ³. During the breeding season, males call loudly to find females ².

Legal & ethics

The tokay gecko has been listed on CITES Appendix II since November 2019, so international trade needs CITES export permits ⁴. Choose captive-bred animals whenever you can. Never release one: escaped tokays have established invasive populations outside Asia ¹².

Sources

1. Tokay Gecko Care Sheet · PetMD
2. Tokay gecko · Smithsonian's National Zoo and Conservation Biology Institute
3. Gekko gecko · The Reptile Database
4. CITES listing: Gekko gecko · Species+ (UNEP-WCMC and CITES Secretariat)
5. Salmonella, Feeder Rodents, and Pet Reptiles and Amphibians · U.S. Food and Drug Administration
6. When Should My Reptile See a Veterinarian? · Tree of Life Exotic Pet Medical Center

Last reviewed 2026-10-24 by Novel Fauna. This guide is general husbandry information, not veterinary advice. When an animal is sick, see a veterinarian experienced with exotic animals.

Revision history

1. 2026-10-24 Library: 50 cited care guides, /library/[slug] route, coming-soon cards, SLUGS.txt synced to species.guide_slug 228ce54
2. 2026-10-24 WIP: library guides (lizards) 478b100

Evidence grades: Novel Fauna editorial: source classification, not yet expert-reviewed, 2026-10-25. What the grades mean.

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