Species profile · Testudinidae

Centrochelys sulcata

Complete care sheet and morph genetics registry for the african spurred tortoise — husbandry parameters, diet, breeding and pairing calculator.

Sulcata TortoiseTortue sillonnéeSpornschildkröteGrooved Tortoise
Adult size
60–85 cm
Lifespan
70–100 yrs
Difficulty
Advanced
Temperament
Diurnal
Activity
Diurnal
Reproduction
Oviparous
01

Husbandry requirements

African spurred tortoise — origin: Semi-arid Sahelian belt south of the Sahara (Senegal, Mali, Niger, Chad, Sudan, Eritrea, Ethiopia): dry savannas, grassy steppes and scrubland. PROTECTED: listed under CITES (Appendix II) and Annex B of the EU, classified as Endangered by the IUCN — imperatively favour captive-bred, declared and documented specimens..

Terrarium temperature gradient

Night min18 °C
Cool side22–27 °C
Warm side29–33 °C
Basking spot35–40 °C

A heliophilous savanna species: provide a real hot spot under a lamp. Adults tolerate cool nights, but a heated shelter is necessary in a temperate climate; never prolonged damp cold (respiratory risk). Juveniles: a higher night-time minimum (~24 °C).

Enclosure (adult)
900 × 450 × 60 cm

Large outdoor grazing pen + insulated heated shelter (cannot be kept in a terrarium as an adult)

Indicative minimum dimensions per adult; bigger is always better. A very sturdy pen, with walls buried (30 cm and more) and rising above the ground (~60 cm) because the animal digs burrows, pushes and climbs. An insulated, heated shelter is essential for winter in a temperate climate. An adult sulcata is a 40-100 kg animal that requires a real sunny outdoor space.

Humidity
30–50 %

An overall dry, well-ventilated environment for the adult (arid origin). Nonetheless provide a humid shelter/microclimate (60-80%) and regular baths for hatchlings and juveniles in order to PREVENT shell pyramiding. Avoid stagnant humidity (shell rot, respiratory infections).

Substrate
Natural grassed soil (outdoors)Soil-loam / potting-soil mix (shelter)Hay bedding and forage

Deep, loose substrate allowing burrowing: the species digs burrows several metres long. Avoid fine sand on its own, wood shavings and pellets (risk of intestinal obstruction). Bury the pen walls to prevent escape by burrowing.

UVB
Optional

Exposure to strong UVB is essential: unfiltered natural sunlight (ideal, outdoors) or a high-intensity UVB tube such as T5 HO 10-12% indoors/in the shelter, with an accessible shaded area. Insufficient UVB/D3 leads to metabolic bone disease.

Water source
Always available

Clean water available at all times in a wide, shallow container (to drink and bathe without risk of drowning). Regular baths, especially for juveniles, to maintain hydration despite the arid origin and to prevent bladder stones and gout.

Origin
Testudinidae

Semi-arid Sahelian belt south of the Sahara (Senegal, Mali, Niger, Chad, Sudan, Eritrea, Ethiopia): dry savannas, grassy steppes and scrubland. PROTECTED: listed under CITES (Appendix II) and Annex B of the EU, classified as Endangered by the IUCN — imperatively favour captive-bred, declared and documented specimens.

02

Feeding & health

Diet

Strict herbivore (a grass grazer) — Grasses and hay ad libitum (Timothy, cocksfoot, Bermuda), edible wild plants (dandelion, plantain, hibiscus, mulberry leaves)

A diet very high in fibre, low in protein and sugars. AVOID fruit, sugary vegetables, high-protein pellets and excess cabbage/brassicas (goitrogenic): sugar and fruit cause diarrhoea and flagellate blooms. Supplement with calcium (cuttlebone); hay available at all times.

Breeding
Oviparous

Clutch 15–40 eggs/young. Maturity linked to size (~30 cm) rather than age, often 5-15 years. The female digs a nest; incubation ~ 90-120 days (variable with temperature). A very prolific species that can produce several clutches per year. Temperature-dependent sex determination (TSD).

Health watch points
  • Shell pyramiding (dehydration, humidity too low in the juvenile, excess protein)
  • Metabolic bone disease (calcium/D3 deficiency or insufficient UVB)
  • Respiratory infections (cold and/or stagnant humidity)
  • Bladder stones and gout (chronic dehydration, unsuitable diet)
  • Digestive disorders and parasites/flagellates (a diet too high in sugar) and obstruction from unsuitable substrate
03

Morphs & genetics

Registry of 3 documented genes and 1 named combos for African spurred tortoise.

  • Ivory (Leucistic) hypo (sometimes used for hets)Rec
  • Albino (T-) amelanisticRec
  • Caramel (T+)Rec
Named combos — 1 documented combined morphs
Snow
04

Pairing calculator

Pick each parent's genotype — clutch probabilities update live. Free, no sign-up.

🧬

African spurred tortoise × African spurred tortoise

Probabilities per gene (independent loci).

GeneParent AParent B
Expected clutchSelect at least one gene on a parent.
05

Frequently asked questions

Answers to the most common questions about keeping the african spurred tortoise.

How big and heavy does the African spurred tortoise get?▾
It is a giant tortoise: its carapace measures 60 to 85 cm, with a record over 100 cm, for an adult weight of 40 to 100 kg. It is also the fastest-growing tortoise, which means the space and load-bearing needs of a very large animal must be planned for in advance.
How long does it live, and what does this longevity involve?▾
It is a heritage animal that commonly lives 70 to 100 years, and can exceed a century. The commitment is very long-term and often outlasts a human lifetime: a care successor must be planned for from the moment of acquisition.
How much space does an adult need?▾
An adult sulcata cannot be kept in a terrarium: it needs a large outdoor grazing enclosure, at least 900 x 450 cm per individual, supplemented by an insulated, heated shelter. Bigger is always better for this outdoor animal, which needs sunlight.
How can the enclosure be secured against such a powerful digger?▾
It is a powerful burrower, a real bulldozer that digs tunnels several metres long, pushes and climbs over obstacles. The walls must be very sturdy, buried at least 30 cm deep and rise about 60 cm above ground level to prevent any escape.
What temperatures and basking spot should be provided?▾
A heliophilous savanna species, it requires a genuine basking hot spot of 35-40 °C, with a warm side of 29-33 °C and a cool side of 22-27 °C. Adults tolerate cool nights down to 18 °C, but a heated shelter is necessary in a temperate climate, and any prolonged damp cold must be avoided; juveniles need a higher night-time minimum, around 24 °C.
Should the environment be dry or humid?▾
The adult, originating from arid areas, is kept dry and well ventilated, at 30 to 50% humidity. Hatchlings and juveniles, however, need a humid shelter or microclimate at 60-80% and regular baths to prevent shell pyramiding, while avoiding stagnant humidity.
What exactly should it be fed?▾
It is a strict herbivore, a grazer of grasses: offer hay and grasses ad libitum, such as timothy, cocksfoot or Bermuda grass, supplemented with edible wild plants such as dandelion, plantain, hibiscus or mulberry leaves. The diet must be very high in fibre and low in protein and sugar.
Why should fruit be avoided?▾
Sugar and fruit cause diarrhoea and flagellate proliferation in its digestive tract. Fruit, sugary vegetables, high-protein pellets and excess cabbage and other brassicas, which are goitrogenic, must therefore be banned.
Does it need UVB and calcium?▾
Yes, strong UVB is essential: ideally unfiltered natural sunlight outdoors, or indoors a T5 HO tube at 10-12% with an accessible shaded area. Supplement with calcium, particularly cuttlebone, as insufficient UVB or calcium intake leads to metabolic bone disease.
Should it be given a water point and baths?▾
Yes: clean water must be available at all times in a wide, shallow container, allowing it to drink and bathe without risk of drowning. Regular baths, especially for juveniles, maintain hydration despite its arid origin and prevent bladder stones and gout.
Is keeping it regulated?▾
Yes, it is a protected species, listed under CITES Appendix II and EU Annex B, and classified as Endangered by the IUCN. Captive-bred, declared and documented specimens must be given absolute priority.
How does it reproduce?▾
It is oviparous and highly prolific, capable of producing several clutches of 15 to 40 eggs per year. Maturity depends more on size, around 30 cm, than on age, often between 5 and 15 years; incubation lasts about 90 to 120 days, and the sex of the young depends on incubation temperature.

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