African Spurred Tortoise (Centrochelys sulcata)
The African Spurred Tortoise (Centrochelys sulcata) is a tortoise found in the Sahel and southern edge of the Sahara, northern Africa, listed Endangered on the IUCN Red List.
- Common name
- African Spurred Tortoise
- Scientific name
- Centrochelys sulcata
- Conservation status (IUCN Red List)
- Endangered
- Habitat
- Sahel & southern edge of the Sahara, northern Africa
- Edition
- TT-26: Worth the Wait
The largest tortoise on any mainland and the third largest on Earth: an unhurried Sahel giant that digs burrows up to 15 meters deep. Endangered.
It is Turtle Tuesday edition TT-26, “Worth the Wait”, drawn by hand and free to download.
This drawing is one of the 26 in Color the Shell, the Turtle Tuesday turtle coloring book: the same line art in black and white, with one true fact per turtle.
Turtle Tuesday took a Tuesday off. Then it took the next one too. In fairness, we went looking for the slowest tortoise we could find, and this is who ambled up: not fast, and not sorry. The African spurred tortoise is the largest tortoise on any mainland and the third largest on Earth, a Sahel heavyweight that can push past a hundred kilograms and simply does not do urgency. Its trick for surviving the baking edge of the Sahara isn’t speed, it’s engineering: it digs, carving burrows up to fifteen meters deep and thirty long, and waits out the heat underground. That same steadiness is its trouble in the pet trade, where it’s sold as a palm-sized hatchling and grows, slowly and without apology, into a hundred-pound animal its owner never planned for. It’s Endangered now, pressed by a drying climate and shrinking grassland. He is in no hurry. He never has been. He arrived when he arrived, and he brought the whole desert’s patience with him.
The African spurred tortoise, the sulcata, is the largest tortoise on any mainland and the third largest species on Earth, after the Galapagos and Aldabra giants. A big male averages roughly 81 kilograms. It survives the heat of the Sahel by digging burrows that may run up to 15 meters deep and 30 long, sheltering other desert animals along the way. Sold as a palm-sized hatchling, it grows into a hundred-pound animal few keepers are prepared for. That, plus a drying climate and shrinking grassland, has pushed it to Endangered.
The Giant That Was Worth the Wait
The African spurred tortoise (Centrochelys sulcata), the sulcata, is the largest tortoise on any continent and third largest species alive, behind the Galapagos and Aldabra giants. A large male carries a shell around 86 centimeters long and averages about 81 kilograms; individuals over 100 kilograms are on record, and at least one has topped 120. The name comes from the spurs, enlarged scales on its thick legs.
It lives where little else with a shell would try to: the Sahel and the southern edge of the Sahara, with blistering days, cold nights and long dry seasons. It survives by disappearing. In the wild its burrows may reach up to 15 meters deep and 30 long, down to cooler air where it waits out the heat, dormant.
Those burrows shelter snakes, lizards, small mammals, birds and insects too, making the sulcata a true ecosystem engineer. It’s a grazer, drawing moisture from what it eats and going long stretches without a drink. It matures late and lives well beyond 75 years in the wild.
That same slow, durable nature has put it in trouble. Popular in the pet trade, it’s sold as a palm-sized hatchling that grows into a hundred-pound tortoise that overwhelms the household that bought it. Add farming, livestock and a drying climate, and it’s now Endangered and on CITES Appendix II.
Key Moments
- 1779: Formally described; the name sulcata, meaning furrowed, refers to the grooves between its shell’s scutes
- Across the Sahel: It spreads along the semi-arid band south of the Sahara, wherever grassland meets long dry seasons
- Late 20th century: Growing pet-trade demand turns appealing hatchlings into a major export, decades before buyers reckon with adult size
- Recent decades: Habitat loss to farming and livestock, a drying climate and wildfire compound the collection pressure
- Present day: Assessed as Endangered and listed on CITES Appendix II, its future tied to protecting Sahel grassland
Fun Facts
- Third-Largest on Earth: It’s the largest mainland tortoise anywhere and third-largest species, after the Galapagos and Aldabra giants
- Serious Excavator: Its wild burrows can run up to 15 meters deep and 30 long, dug to reach cooler air
- Ecosystem Engineer: Those burrows shelter snakes, lizards, mammals and birds too, so one tortoise builds habitat for a community
- Over 100 Kilograms: Big males average around 81 kg, with records past 100 and even 120 kg
- Starts Small: Hatches small enough to sit in a palm and grows past a hundred pounds
- In No Hurry: Slow, late to mature and long-lived, well past 75 years in the wild
Conservation Notes
- The African spurred tortoise is Endangered on the IUCN Red List and protected under CITES Appendix II, heavily collected for the pet trade as a palm-sized hatchling that grows into an animal few keepers can house.
- As a prolific burrower it’s an ecosystem engineer, its tunnels sheltering many other Sahel animals. Slow-maturing and long-lived, it recovers slowly, so curbing collection matters more here than raw numbers suggest.
- Releases can work: 8 spurred tortoises were set free in Senegal’s Bandia Reserve in 1993, and 22 were counted there by 2002.
Mini FAQ
Is the sulcata really the slowest tortoise?
Honestly, no: the record belongs to the giant island tortoises, at about 0.37 kilometers per hour. The sulcata is a giant in its own right and shares that same unhurried way of moving. With no real predators as an adult, taking its time is simply the strategy.
How can a tortoise dig a burrow fifteen meters deep?
Slowly, with the right tools. The sulcata has powerful, flattened forelimbs and heavy claws built for moving earth, digging tunnels up to 15 meters deep and 30 long to escape heat that would kill it. It waits out the hottest stretches dormant, sheltering other desert animals along the way.
If it is so tough, why is it Endangered?
Its toughness works against heat and drought, not people. The sulcata is heavily collected for the pet trade, sold as a tiny hatchling that grows into a hundred-pound adult its keepers didn’t plan for, while its grassland home is lost to farming and a drying climate.
Art by Lee Eisenbarth, CC BY 4.0: how to use this art.
Sources: IUCN Red List, Wikipedia.