Sulcata Tortoise

Sulcatas — African spurred tortoises — are the third-largest tortoise in the world, and the single biggest "they don't stay that size" trap in the hobby. The hatchling is adorable, cheap, and the size of a biscuit; the adult is a 100-pound grazing tank that can dig through a fence, live past 70, and needs a large predator-proof outdoor space. For the right keeper — warm climate, real yard, decades of commitment — they are hardy, characterful, dog-tame living lawnmowers. For everyone else, they are the reptile most likely to end up in a rescue. Buy with open eyes.

Care at a glance

What it's like to live with a Sulcata Tortoise

A sulcata is a landscape animal, not a terrarium one. The right way to picture life with an adult is a grazing, digging, fence-testing tank pottering around a warm back yard — not a pet in a tank in the living room. They are not handling animals (a big tortoise does not want to be picked up), but they are genuinely food-motivated and interactive: many learn to trundle over for greens and to tolerate a shell rub or neck scratch. The daily rhythm is calm and grounding — a morning bask, hours of grazing and digging, a dig-down to sleep. The hard part is never the animal; it is providing the space, warmth, and decades it needs.

Your first month together

The settling-in period, in order — so you know what's normal and when not to worry.

1. Most sulcatas come home as hatchlings — get hydration and humidity right from day one, because dryness now shows up as a permanently pyramided shell later.
2. Soak a hatchling in shallow, warm (85–95°F) water for 20–30 minutes daily, and keep juvenile humidity above 80% with a humid hide.
3. Offer a wide variety of grasses, greens, and edible weeds every day — young sulcatas grow fast and eat a lot; a settling baby may be cautious for a few days, then tuck in.
4. Watch for steady eating, basking, digging, and droppings within the first week or two — those are your core "settling in well" signs.
5. Handle minimally and low to the ground, and start planning the outdoor pen now — it grows faster than almost any pet reptile.

Through the year, and as they grow

Unlike temperate tortoises (Russian, Hermann's), a sulcata does NOT hibernate — it is a warm-climate savannah species and must be kept warm and active year-round. The real seasonal challenge is winter: in any climate with daytime temperatures below ~70°F it needs to move into a heated shed, garage, or indoor space, which for a 100 lb adult is a genuine logistical job. It also grows startlingly fast — an indoor hatchling becomes an outdoor giant within a few years, so plan the adult housing before you need it.

The pet store gets these wrong

Common myths, kindly corrected — no shame for having believed them.

• It's a desert tortoise, so keep it dry — false; juveniles need humidity above 80%, and dryness causes a pyramided, deformed shell.
• It'll stay small / a tank or tortoise table is enough — false; a healthy sulcata becomes a 70–110+ lb, yard-sized animal needing a large outdoor pen.
• Feed it grocery lettuce, veg, and fruit — no; it needs high-fibre grasses and weeds. Fruit and high protein cause serious problems.
• They're cheap, easy starter tortoises — the hatchling is cheap; the 70-year, 100 lb, heated-shed commitment is not.
• High protein or dog food helps it grow big — dangerous; excess protein drives shell pyramiding, gout, and bladder stones.

Before you buy

• Space for a large, predator-proof OUTDOOR pen (an adult needs ~300 sq ft) with dig-proof, sunk walls — a tank or single room is only ever temporary.
• A warm climate, or a heated shed/garage for every winter spell below ~70°F daytime.
• A 50–70+ year commitment — genuinely plan who inherits it.
• A grass-and-weed grazing diet, strong UVB (or real sun), and a cuttlebone.
• An exotics/reptile vet who is willing and able to treat a large tortoise.

See a reptile vet if…

Never

• Never keep an adult sulcata permanently in a tank or single indoor room — it needs a large outdoor space.
• Never feed fruit or a high-protein diet (dog food, beans, too many pellets) — it causes pyramiding, gout, and bladder stones.
• Never let it get cold and damp — a chilled, wet sulcata is a prime candidate for a respiratory infection.
• Never keep a juvenile bone-dry — it permanently deforms the growing shell.
• Never breed them or house males together — sulcatas are massively overbred already, and males fight.

Sources & further reading

This guide was written and fact-checked against these authorities. It's kind, general guidance — not a diagnosis or a substitute for an exotics vet:

• ReptiFiles — Sulcata Tortoise Care Sheet (Mariah Healey) — Adult 24–30 in / 70–110 lb, 70+ yr; juvenile min 7×3.5×2.5 ft / 24.5 sq ft, adult ~300 sq ft outdoor; basking 100–105°F, cool 80–90°F, night 70–75°F; UVI 4.0–6.0; juvenile humidity >80% + daily 85–95°F soaks; 60/40 topsoil/sand substrate; high-fibre herbivore, no fruit; cuttlebone + multivitamin.
• LafeberVet — Care of the Sulcata / African Spurred Tortoise (Latney, 2016) — Husbandry & diet; pyramiding and bladder-stone (cystic calculi) risk from dehydration/diet.
• Royal Veterinary College — Sulcata Tortoise Care (2016) — Veterinary care overview; housing, diet, common health problems.
• Baines et al. (2016), "How much UVB does my reptile need? The UV-Tool" — Ferguson Zone 4 (full-sun basker) target UVI for an open-habitat grazing tortoise.
• Association of Reptilian & Amphibian Veterinarians (ARAV) — Find-an-exotics-vet; MBD, respiratory infection, bladder stones, shell rot.
• Merck Veterinary Manual — reptiles — Metabolic bone disease, shell pyramiding, respiratory infection, cystic calculi.

Written and fact-checked by The Baskden Team against veterinarian-authored sources — if your reptile shows a red-flag sign above, see an exotics vet promptly.