Reptile · Iguanid
Black spiny-tailed iguana care guide
Ctenosaura similis
The black spiny-tailed iguana is a advanced-level iguanid from Mexico, Central America. Adults reach 90–130 cm and live 15–20 years in captivity. Fast and powerful; needs a custom enclosure. Keep alone.
- Enclosure 240 × 120 × 120 cm
- Temp Basking 45–50°C, cool 26°C
- Humidity 40–60%
How much does a black spiny-tailed iguana cost in Canada?
Black spiny-tailed iguana quick facts
- Skill level
- Advanced
- Adult size
- 90–130 cm
- Lifespan
- 15–20 years
- Activity
- Diurnal
- Native range
- Mexico, Central America
- Minimum enclosure
- 240 × 120 × 120 cm (94 × 47 × 47 in, ≈ 913 US gal)
- Housing
- Best kept alone.
- Temperature
- Basking 45–50°C, cool 26°C
- Humidity
- 40–60%
- UVB
- Required
- Diet
- Omnivore – greens, vegetables, insects when young
- Bioactive style
- Semi-arid
Black spiny-tailed iguana enclosure & bioactive setup
Give one adult at least 240 × 120 × 120 cm (94 × 47 × 47 inches). Best kept alone. 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 45–50°C, cool 26°C. Humidity: 40–60%. UVB: Required.
What does a black spiny-tailed iguana eat?
Omnivore – greens, vegetables, insects when young. Juveniles insects and greens daily; adults mostly greens daily.
Handling, temperament & health
Often defensive with a strong tail whip and bite.
Health watch: Metabolic bone disease and nose rub injuries.
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 black spiny-tailed iguana bioactive
Quantities are for one minimum-size enclosure (240 × 120 × 120 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
Black spiny-tailed iguana FAQ
Is the black spiny-tailed iguana good for beginners?
The black spiny-tailed iguana is an advanced species – best for experienced keepers. Often defensive with a strong tail whip and bite.
What size enclosure does a black spiny-tailed iguana need?
At least 240 × 120 × 120 cm (about 94 × 47 × 47 inches, roughly 913 US gallons) for one adult. Best kept alone.
How much does a black spiny-tailed iguana cost in Canada?
Typically $100–300 CAD to buy, about $4340–7670 CAD for a complete bioactive enclosure, and $600–1000 CAD a year to keep.
What temperature and humidity does a black spiny-tailed iguana need?
Temperature: Basking 45–50°C, cool 26°C. Humidity: 40–60%.
What does a black spiny-tailed iguana eat?
Omnivore – greens, vegetables, insects when young. Juveniles insects and greens daily; adults mostly greens daily.
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.