Reptile · Teiid
Six-lined racerunner care guide
Aspidoscelis sexlineata
The six-lined racerunner is a intermediate-level teiid from Central and eastern USA. Adults reach 15–25 cm and live 4–6 years in captivity. Fast forager that needs hot, open sand.
- Enclosure 90 × 45 × 45 cm
- Temp Basking 40–45°C, cool 24°C
- Humidity 30–50%
How much does a six-lined racerunner cost in Canada?
Six-lined racerunner quick facts
- Skill level
- Intermediate
- Adult size
- 15–25 cm
- Lifespan
- 4–6 years
- Activity
- Diurnal
- Native range
- Central and eastern USA
- Minimum enclosure
- 90 × 45 × 45 cm (35 × 18 × 18 in, ≈ 48 US gal)
- Housing
- Up to 2 can share; add about 50% more floor space for each extra animal.
- Temperature
- Basking 40–45°C, cool 24°C
- Humidity
- 30–50%
- UVB
- Required
- Diet
- Insectivore – crickets, roaches
- Bioactive style
- Semi-arid
Six-lined racerunner enclosure & bioactive setup
Give one adult at least 90 × 45 × 45 cm (35 × 18 × 18 inches). Up to 2 can share; add about 50% more floor space for each extra animal. This species suits a semi-arid bioactive build.
- Leaf litter2 cm
- Jurassic ABG Semi-Arid Blend15 cm
No drainage layer – water deeply but rarely so the bottom stays slightly moist while the surface stays dry.
Temperature: Basking 40–45°C, cool 24°C. Humidity: 30–50%. UVB: Required.
What does a six-lined racerunner eat?
Insectivore – crickets, roaches. Adults daily or every other day.
Handling, temperament & health
Very fast; display only.
Health watch: Nose rub and metabolic bone disease.
Cleaning & maintenance schedule
Daily
- Check basking surface temperature with an infrared thermometer.
- Keep the humid hide damp; refresh water.
Weekly
- Spot-clean waste.
- Every 1–2 weeks, pour water down into the soil around plants and in the cool corner.
Monthly
- Check stones and wood are stable and can’t be tunnelled under.
- Add a few leaves to the cool corner for isopods.
Yearly
- Refresh the top layer in the basking area.
- Replace UVB bulbs on schedule.
Recommended for a six-lined racerunner bioactive
Quantities are for one minimum-size enclosure (90 × 45 × 45 cm).
Jurassic ABG Semi-Arid Blend
Bioactive soil layer, 15 cm
Canyon Sand
Optional: mix in for a firmer, sandier texture
Eastern Oak Leaves 10/Pack
Leaf litter – food and cover for the clean-up crew
Terrarium Moss 7L Bag
Humid hide moss
Cork Bark Half Rounds
A hide at each end – plus one humid hide filled with damp moss
Mopani Wood
Climbing and a raised basking spot
Carnelian Stone
Holds heat under the lamp – place directly on the enclosure floor
Six-lined racerunner FAQ
Is the six-lined racerunner good for beginners?
The six-lined racerunner is best for keepers with some experience (intermediate). Very fast; display only.
What size enclosure does a six-lined racerunner need?
At least 90 × 45 × 45 cm (about 35 × 18 × 18 inches, roughly 48 US gallons) for one adult. Up to 2 can share; add about 50% more floor space for each extra animal.
How much does a six-lined racerunner cost in Canada?
Typically $30–80 CAD to buy, about $640–1160 CAD for a complete bioactive enclosure, and $200–300 CAD a year to keep.
What temperature and humidity does a six-lined racerunner need?
Temperature: Basking 40–45°C, cool 24°C. Humidity: 30–50%.
What does a six-lined racerunner eat?
Insectivore – crickets, roaches. Adults daily or every other day.
Similar species
This care sheet is general guidance from One Bioactive, not veterinary advice. Needs vary with age, locality and individual animals – confirm with your breeder and an exotics vet. Prices are typical Canadian ranges in CAD and change over time.