Formosan grass lizard (Takydromus formosanus)
Lizards · Difficulty: Beginner with some knowledge
Key facts and care guidance for Formosan grass lizard (Takydromus formosanus) (origin: Taiwan). Adult size around 18–25 cm. Life expectancy 5–12 years. The values below are carefully researched guidance.
Short answers
Formosan grass lizard: How big does the enclosure need to be?
80×40×50 cm for a group.
Formosan grass lizard: What temperature does it need?
Daytime 24–29 °C, basking spot Basking spot 32–35 °C, at night 18–21 °C.
Formosan grass lizard: Does it need UVB lighting?
UVB: Essential (UVB 10.0).
Formosan grass lizard: How long do they live?
Life expectancy: 5–12 years.
Formosan grass lizard: Is it suitable for beginners?
Partly – manageable with some prior knowledge (difficulty: Beginner with some knowledge).
Climate
- Daytime temperature
- 24–29 °C
- Night temperature
- 18–21 °C
- Basking spot
- Basking spot 32–35 °C
- Humidity
- 65–85 %
- UVB
- Essential (UVB 10.0)
Enclosure
- Minimum size
- 80×40×50 cm for a group
- Substrate
- Forest-floor substrate with dense grasses and thin twigs
Feeding
- Food
- Crickets, house crickets, roaches and wax moths
- Feeding interval
- adults 3–4×/week
Key facts
- Adult size
- 18–25 cm
- Life expectancy
- 5–12 years
- Origin
- Taiwan
- Protection status
- Not listed under CITES
- Brumation
- No winter rest, just a cooler spell
- Cohabitation
- Keeping as a harem (1.2 or 1.3) or in pairs (1.1) is possible; males must never be housed together. Several males fight over territory and basking spots until one is injured or sits permanently in a corner. Females usually get along but need their own basking and hiding spots; feed separately if sizes differ.
Notes
Warmer and more humid than the mainland species.
Do you keep this species?
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Related species
- Amur grass lizard (Takydromus amurensis) – Beginner with some knowledge
- Japanese grass lizard (Takydromus tachydromoides) – Beginner with some knowledge
- Northern grass lizard (Takydromus septentrionalis) – Beginner with some knowledge
- Ryukyu grass lizard (Takydromus dorsalis) – Beginner with some knowledge
- Asian grass lizard (Takydromus sexlineatus) – Intermediate
- Emerald grass lizard (Takydromus smaragdinus) – Intermediate
- Wolter's grass lizard (Takydromus wolteri) – Beginner with some knowledge
- Armenian rock lizard (Darevskia armeniaca) – Beginner with some knowledge
What you need to start
To keep Formosan grass lizard (Takydromus formosanus) you typically need: a suitable enclosure (80×40×50 cm for a group), substrate (Forest-floor substrate with dense grasses and thin twigs), a heat source with a thermostat, UVB lighting, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.
The complete, interactive care database is in the Reptoria app.
Last updated: 30 October 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Takydromus, https://en.wikipedia.org/wiki/Takydromus_formosanus
All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).