Radiated tortoise (Astrochelys radiata)
Photo: Charles J. Sharp / CC BY-SA 4.0 · via Wikimedia Commons

Reptile · Tortoise

Radiated tortoise care guide

Astrochelys radiata

ExpertCITES – buy captive-bred

The radiated tortoise is a expert-level tortoise from Southern Madagascar. Adults reach 30–40 cm shell and live 80–100+ years in captivity. Critically endangered and CITES Appendix I; buy only with full captive-breeding paperwork.

  • Enclosure 240 × 120 × 60 cm
  • Temp Basking 32–35°C, ambient 24–29°C
  • Humidity 50–70%

How much does a radiated tortoise cost in Canada?

Animal$3000–7000Typical captive-bred price
Bioactive enclosure$2790–4740Enclosure $1640–3100 · equipment $210–450 · bioactive supplies ≈ $990
Yearly upkeep$500–900Food, supplements, bulbs, power, vet fund
First year total$6290–12640All prices CAD, estimates

Radiated tortoise quick facts

Skill level
Expert
Adult size
30–40 cm shell
Lifespan
80–100+ years
Activity
Diurnal
Native range
Southern Madagascar
Minimum enclosure
240 × 120 × 60 cm (94 × 47 × 24 in, ≈ 457 US gal)
Housing
Best kept alone.
Temperature
Basking 32–35°C, ambient 24–29°C
Humidity
50–70%
UVB
Required
Diet
Herbivore – grasses, weeds, cactus pads, leafy greens, flowers
Bioactive style
Semi-arid

Radiated tortoise enclosure & bioactive setup

Give one adult at least 240 × 120 × 60 cm (94 × 47 × 24 inches). Best kept alone. This species suits a semi-arid bioactive build.

  1. Leaf litter2 cm
  2. 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 32–35°C, ambient 24–29°C. Humidity: 50–70%. UVB: Required.

What does a radiated tortoise eat?

Herbivore – grasses, weeds, cactus pads, leafy greens, flowers. Offer weeds and greens daily with calcium several times a week.

Handling, temperament & health

Calm and personable once settled.

Health watch: Respiratory infections and shell problems in cold or damp conditions.

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 radiated tortoise bioactive

Quantities are for one minimum-size enclosure (240 × 120 × 60 cm).

Radiated tortoise FAQ

Is the radiated tortoise good for beginners?

No – the radiated tortoise is a specialist animal for expert keepers only. Calm and personable once settled.

What size enclosure does a radiated tortoise need?

At least 240 × 120 × 60 cm (about 94 × 47 × 24 inches, roughly 457 US gallons) for one adult. Best kept alone.

How much does a radiated tortoise cost in Canada?

Typically $3000–7000 CAD to buy, about $2790–4740 CAD for a complete bioactive enclosure, and $500–900 CAD a year to keep.

What temperature and humidity does a radiated tortoise need?

Temperature: Basking 32–35°C, ambient 24–29°C. Humidity: 50–70%.

What does a radiated tortoise eat?

Herbivore – grasses, weeds, cactus pads, leafy greens, flowers. Offer weeds and greens daily with calcium several times a week.

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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.