Reptiles · Tortoises
Sulcata Tortoise
Centrochelys sulcata
Tiny hatchling, enormous lifelong commitmentAdvanced
- Lifespan
- 70+ years
- Size
- 60-80 cm
- Weight
- 45-90+ kg
- Social needs
- Best housed singly; not social
- Time
- High; daily care, lifetime, major space
- Cost
- High
- Diet
- Grazer (grasses, hay)
Overview
What is this animal?
- The sulcata, or African spurred tortoise, is the largest mainland tortoise and the third-largest tortoise species.
- Sold as a small, cheap hatchling, it grows steadily into a powerful animal that commonly exceeds 45 kg and can live well past 70 years.
- Its size and longevity make it one of the most frequently surrendered reptiles, as owners are overwhelmed by its space, heat and feeding needs.
- It is not a beginner or indoor-only pet.
- Only take one on with a realistic, lifelong plan for housing a very large tortoise.
Temperament
- Sulcatas are bold, strong and surprisingly active, often described as having dog-like persistence.
- They push, dig and bulldoze through their environment and will move or break poorly secured furniture and fencing.
- Many recognise their keeper and are food-motivated, but their power demands respect.
- They are not social and are best kept singly.
- Males are territorial and combative, ramming rivals and harassing other tortoises, and even large enclosures rarely prevent conflict.
- Solitary housing in adequate space is the only responsible arrangement for this species.
A good fit for
- Keepers with land and a heated outbuilding
- Experienced reptile owners in warm climates
- People committed to a 70+ year, large animal
- Those who can afford ongoing space and heating costs
Common mistakes to avoid
- Buying a hatchling without adult-space planning
- Indoor or tank housing as it grows
- Low humidity and rich diet causing pyramiding
- Underestimating cold sensitivity and escape ability
Enclosure
Minimum size: not yet recorded
This animal outgrows indoor housing entirely. The guide states a heated shed plus secure outdoor space rather than a figure, because no enclosure size makes an adult sulcata an indoor animal.
Must be housed alone. Best housed singly; not social
- Adults require a large, secure outdoor area with grazing, sun and shade, plus a heated, insulated shed or building they can enter, as they cannot be kept in tanks or vivariums long-term.
- From hatchling onward they need a basking spot of 35-37C, a cooler retreat and a warm night-time floor; sustained cold or damp is dangerous.
- UVB is essential indoors and supplied by natural sun outdoors.
- Sulcatas are powerful diggers and burrowers and will undermine fences and walls, so boundaries must be deep, solid and escape-proof.
- Provide a humid hide for young animals to support smooth shell growth, while keeping ambient conditions dry.
Supplies
Setup
- Indoor table or enclosure
- Secure outdoor pen
- Heating, UVB and thermostat
- Substrate and furnishings
Ongoing
- Tortoise weed seed mix to grow your own forage
- Dandelion, endive, escarole and chicory from the produce aisle
- Grass hay for grazing species
- Calcium powder for dusting
- Cuttlebone
- Edible flower mix (dried hibiscus, dandelion blooms)
- Shallow water dish and a soaking tub
- Flat feeding slate or tile to keep food off the substrate
Safe substrate: Topsoil and coco coir mix, deep enough to dig into · Orchid bark over soil
Care routine
Daily
- Check humidity for the species you keep
- Check temperatures and humidity
- Fresh water bowl
- Look the animal over
- Spot-clean waste and uneaten food
- Weeds and leafy greens
Weekly
- Time in a secure outdoor pen
- Warm shallow soak
Monthly
- Brief, infrequent handling onlyevery 2 weeks
- Check beak and nails
- Deep-clean the enclosure
- Test thermostats, lamps and guards
- Weigh and record
Less often
- Refresh the substrateevery 3 months
- Replace the UVB lampevery 6 months
Vet: Annual exam and faecal check — every 12 months
Top resources for more info
Independent creators and organisations we would send a friend to. We have no affiliation with any of them, and nothing here is sponsored. Links checked 2026-09-19.
YouTubers
Garden State TortoiseTortoise housing, outdoor enclosures and long-term keepingReptiles and ResearchEvidence-led husbandry: enclosure size, UVB, thermal gradients, enrichmentClint's ReptilesWhich reptile suits you, with honest care and handling verdicts
Sites
Go deeper
Diet
- Sulcatas are grazing herbivores built for a very high-fibre, low-protein, low-sugar diet.
- The bulk of their food should be grasses and grass hay, supplemented with weeds and leafy greens.
- They graze continuously, so constant access to safe grass or hay is ideal.
- Avoid fruit, high-sugar vegetables, excess pellets and all animal protein, which cause rapid pyramided growth, kidney disease and bladder stones in this fast-growing species.
- Provide calcium and a cuttlebone, and always supply fresh water plus regular soaking for hatchlings to maintain hydration.
Health
- Healthy sulcatas grow steadily with a relatively smooth shell, clear eyes, a dry nose and strong limbs.
- The defining captive problem is shell pyramiding, driven by low humidity, poor diet and excess protein, alongside metabolic bone disease, respiratory infection from cold or damp, and bladder stones from dehydration and rich diets.
- Their size makes veterinary care, transport and routine handling challenging, so prevention through correct husbandry is critical.
- Sulcatas do not brumate.
- Any nasal discharge, lethargy, soft shell or appetite loss needs prompt attention from a reptile-experienced exotics vet.
Is your enclosure big enough?
This animal outgrows indoor housing entirely. The guide states a heated shed plus secure outdoor space rather than a figure, because no enclosure size makes an adult sulcata an indoor animal.
CompanyMust be housed alone. Best housed singly; not social
Is this urgent?
Tortoise problems build over months, so the signs to watch are shape and habit rather than sudden events.
Go now
Runny nose, bubbles, or noisy breathingGo now. Respiratory infections in tortoises become chronic quickly.
NowToday
A soft shell in a growing tortoise, or a pyramided, lumpy shellBook an appointment and review UVB, diet and humidity. Both are husbandry outcomes and both are permanent once formed.
This weekNot eating for more than a few days outside a planned brumationCall today. An unplanned fast in an active tortoise is not normal.
TodaySwollen eyelids, or eyes held shutBook today. Often vitamin A related, sometimes infectious; both need treating.
TodayThis is general guidance for a healthy adult, not a diagnosis. An exotics vet who knows your animal always overrides it — and the time to find one is before you need one.
Can a sulcata tortoise eat that?
A tortoise is a grazer, not a fruit eater. For Mediterranean and arid species, fruit and protein are the two things that do lasting damage.
The full list
Never (16)
AlcoholNo safe amount at any body weight on this site.
neverAnimal proteinCauses shell pyramiding and irreversible kidney damage. This includes dog and cat food, which is still sometimes recommended.
neverAvocadoPersin, concentrated in the skin, stone and leaves. Implicated in cardiac damage across birds, rodents and reptiles.
neverButtercupProtoanemonin.
neverCaffeineCoffee, tea and energy drinks. Cardiac and neurological toxicity at tiny doses for an animal this size.
neverChocolateTheobromine and caffeine. Small mammals and reptiles cannot clear either.
neverDaffodilToxic. Common in gardens where tortoises graze in spring.
neverFoxgloveCardiac glycosides.
neverFruitFor Mediterranean and arid species — Hermann's, Greek, Russian, sulcata, leopard — fruit sugars disrupt the gut flora and are associated with parasitic overgrowth and diarrhoea. Tropical species such as red-footed tortoises are the exception and do take fruit; check the species guide.
neverGarlicSame allium toxicity as onion, and more concentrated by weight.
neverIceberg lettuceNo nutritional value.
neverIvyToxic, and it grows exactly where a tortoise pen tends to be.
neverLeekAllium family. Same mechanism as onion and garlic.
neverOnionOrganosulphur compounds damage red blood cells. The whole allium family is out.
neverRhubarbOxalates.
neverSalty or seasoned human foodSalt, oil and seasoning. Crisps, chips, seasoned leftovers and processed meat are all out.
neverRare treats (3)
Pellets and commercial tortoise foodMost are too high in protein and too low in fibre. Weeds and greens are better in every respect. Not needed if the diet is right.
rare treatSpinachOxalates, in a species already at risk of bladder stones. Rarely if at all.
rare treatTomatoSugary and acidic. Never the leaves or stems. A small piece rarely, for species that take fruit at all.
rare treatOccasional (4)
Bell pepperSafe in small amounts. A little, once or twice a week.
occasionalButternut squashWell tolerated. A small amount weekly.
occasionalCucumberMostly water. Useful for a tortoise that will not drink. A slice occasionally.
occasionalKaleGood, but rotate it rather than feeding it daily. Twice a week.
occasionalEveryday foods (3)
Grasses and hayEssential for grazing species such as sulcatas and leopard tortoises. Available at all times for grazing species.
everyday foodLeafy greensCollard, mustard, turnip greens, watercress and rocket in rotation. Daily where weeds are unavailable.
everyday foodWeeds and wild forageDandelion, plantain, clover, sow thistle, hawkbit. This is the natural diet and it is free. Pick well away from roads and sprayed ground. The bulk of the diet, daily.
everyday foodThat plant is not on our list. Tortoises graze indiscriminately and a great many garden plants are toxic, so identify it before it goes anywhere near the pen.
Check the species guide before applying the fruit rule: it is correct for Mediterranean and arid tortoises and wrong for tropical ones like the red-footed.
What it really costs
Setup, monthly, first year and across a whole life, itemised and with the electricity worked out from the actual wattage. Published figures for the same animal disagree by a factor of four, so the calculator shows ranges rather than picking one.
Bedding and substrate
Tortoise substrate has to hold a burrow and hold moisture, because dry-brooded tortoises pyramid.
Safe
Topsoil and coco coir mix, deep enough to dig intoHolds humidity at the shell without being wet at the surface.
safeOrchid bark over soilCommon for humid-species tables.
safeWith a caveat
Sand and soil mixesFine for arid species, but keep the sand fraction low enough that it still packs.
with a caveatNever
Pure sandEaten during grazing, and it does not hold a burrow.
neverWood shavings of any softwoodPhenols, and they are eaten.
neverRabbit pellets as a substrateSold for it. It moulds, and the tortoise eats a diet it was never meant to have.
neverCompare with other animals
The same axes for every animal, side by side — the way the guides are written makes that a fair comparison rather than two articles.
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