Russian Tortoise (Testudo horsfieldii) – a native of the Asian steppes
The Russian tortoise (Testudo horsfieldii) belongs to the family Testudinidae (land tortoises), a group fully adapted to life on land. The genus Testudo evolved to inhabit relatively dry environments. Species in this group have thick, columnar limbs with fused toes and strong claws designed for digging. Their shells are typically domed and heavy, and their bodies compact and sturdy. The Russian tortoise is one of the most popular tortoise species in herpetoculture. Currently, five subspecies are recognized within this species.
What does the Russian tortoise look like?
The Russian tortoise (Testudo horsfieldii) has an oval, slightly flattened carapace (upper shell), which is less domed than in other representatives of the genus. The plastron (lower shell) is flat. The head is oval with a narrow snout that ends in a keratinized beak. Its sharply cut nose gives the snout a square profile. The neck is thick and short. The forelimbs are slightly flattened, while the hind limbs are columnar. All limbs end in four claws and are covered with thick, overlapping scales. The tail ends in a horny tip; it is short and thick in females, and longer and thinner in males.
Carapace coloration varies depending on age and origin. It may be uniform yellow-brown to light brown, or marked with dark, often black patches. The plastron is black with yellowish borders. The head, limbs, and tail are usually lighter, ranging from yellowish-brown to olive. The beak is darker than the surrounding skin. Russian tortoises grow to 13–28 cm (5–11 in) in carapace length. Males are typically smaller than females.
Distribution and natural habitat
The Russian tortoise (Testudo horsfieldii) inhabits the Great Steppe region, including Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Iran, Afghanistan, Pakistan, and northwestern China. It lives in dry, arid, and sometimes rocky terrain dominated by grasses. It can also be found on sandy dunes. Although primarily occurring in lowlands, in some regions it inhabits uplands up to 2,400 m above sea level, where shrubby vegetation is more abundant. This species uses burrows throughout the year. These burrows provide shelter from extreme weather, serve as resting sites, and function as overwintering chambers. Humidity inside the burrows is higher than on the surface. Russian tortoises are occasionally found near water sources, particularly in spring after snowmelt.
Their natural habitat is characterized by hot, dry summers and cold winters with little precipitation and strong winds. Seasonal fluctuations strongly influence the availability of food and water.
Lifespan
In captivity, Russian tortoises can live up to 80 years. In the wild, their lifespan is typically around 50 years. The most intensive growth occurs until approximately 15–20 years of age. Purchasing a Russian tortoise is therefore a long-term commitment, often lasting a lifetime. Prospective owners should ensure they are prepared to provide decades of care or arrange for a responsible future caregiver.
Housing: terrarium requirements
A Russian tortoise enclosure can be either a closed terrarium with efficient ventilation or an open-top indoor tortoise table (open enclosure). The size of the enclosure should always be matched to the individual tortoise, allowing it to move freely and explore the available space comfortably. Enclosure furnishings, such as the hide, soaking dish, and water bowl, should not be placed too close together. The tortoise must be able to move easily between them without restriction. For terrestrial tortoises, the following rule is used to determine the minimum enclosure size:
- The width of the enclosure should be at least 4 times the tortoise’s carapace length.
- The length of the enclosure should be at least 8 times the tortoise’s carapace length.
- The height should be selected so that when the tortoise stands upright on its hind legs and leans against the wall, it cannot reach the lighting fixtures or the open top of the enclosure, this should be at least 2 times the carapace length.
If the enclosure is fully enclosed at the top, it is also essential to maintain the correct distance between the lighting and the tortoise to ensure safety and proper UVB exposure.
Based on these guidelines, the minimum enclosure dimensions for a Russian tortoise with a 20 cm (8 in) carapace would be 160 cm (63 in) in length, 80 cm (31 in) in width and 40 cm (16 in) in height. However, these measurements represent the absolute minimum. Terrestrial tortoises are highly active animals, and they thrive in larger spaces. The more floor space they have, the better their overall physical and behavioral well-being.In addition to an indoor enclosure (terrarium or tortoise table), it is strongly recommended to provide a secure outdoor summer enclosure whenever possible.
Substrate
As a substrate, use tortoise-specific substrate mixes with a high clay content. When moistened, clay forms a firm crust, creating a stable surface. A good option here is Tropical Terraclay. Loose, dusty substrates should be avoided, as there is a risk that the tortoise may ingest them, which can lead to gastrointestinal impaction. You can also use a cut section of natural turf with intact vegetation. However, in this case, make absolutely sure that the area where the turf was collected has not been treated with pesticides or herbicides.
An essential element of any tortoise enclosure is a spacious hide that allows the tortoise to move freely inside. The substrate directly beneath the heat lamp is best covered with flat stones. These stones will warm up during the day and gradually release heat at night, closely mimicking natural conditions. In other areas of the enclosure, it is worth arranging low rocks. They enrich the environment and help naturally wear down the tortoise’s claws as it moves across them. The enclosure should also include a shallow soaking dish and a feeding dish.
For more tips on how to set up a proper enclosure for terrestrial tortoises, see the article Herbivorous tortoises – terrarium and care.
Outdoor enclosure
If you have a backyard garden, you may consider building an outdoor enclosure, which allows you to create conditions much closer to the tortoise’s natural habitat. This greatly benefits the reptile’s overall well-being, provides more opportunities for movement, and exposes it to natural environmental changes. One of the greatest advantages is access to natural sunlight.
The outdoor enclosure should be located in a sunny area. However, it is essential to ensure that part of the enclosure provides shade, where the tortoise can retreat and cool down during hot weather. An ideal location is a section of lawn, which closely resembles steppe-like terrain. Part of the enclosure should include flat stones or other hard surfaces. Before placing the tortoise outdoors, carefully check that no plants toxic to tortoises are present within the enclosure.
For Russian tortoises, heavy rainfall or generally wet summers can pose a problem. This species is adapted to a dry climate, and excessive humidity is harmful to its health. Therefore, part of the enclosure should be protected from rain. Proper drainage is also crucial to prevent standing water or puddles from forming.
The enclosure must be designed to protect the tortoise from predators and prevent escape. Russian tortoises are excellent diggers and can tunnel beneath fencing. They are also capable climbers and may scale uneven surfaces to escape over the top. For this reason, the enclosure should be secured on all sides. Inside, you should provide a spacious, well-insulated hide or shelter to protect the tortoise from adverse weather conditions. The roof of the shelter may be partially glazed to allow the interior to warm up during the day and retain heat at night. The hide or shelter can also be gently heated with a heat mat or another heat source during sudden drops in temperature.
The Russian tortoise (Testudo horsfieldii) can stay in an outdoor enclosure from spring through autumn, provided that nighttime temperatures do not fall below 18°C (64°F). If weather conditions in spring and autumn are highly variable, the tortoise should be brought indoors during those periods and kept in an indoor enclosure (or terrarium), where environmental conditions are more stable.
Lighting
The Russian tortoise (Testudo horsfieldii) is a diurnal species that inhabits open, grassy areas, where it is exposed to direct sunlight for much of its active period. Its skin and shell are adapted to absorb heat and UVB radiation, which enables the tortoise to synthesize adequate amounts of vitamin D3. In a terrarium or indoor enclosure, the Russian tortoise requires lighting that replicates natural conditions as closely as possible, providing visible light, UVB radiation, and heat.
Various types of reptile lighting are available in terrarium stores. Some emit only visible light, others provide visible light and heat, and still others combine visible light with UVB radiation. There are also all-in-one solutions that deliver all three components. Regardless of the system you choose, ensure that the full spectrum of lighting is installed in one of the enclosure’s end zones. This creates a defined basking area where the tortoise can access the complete range of light and heat it needs. If the enclosure is spacious, it is advisable to install additional UVB lighting in the cooler section to prevent vitamin D3 deficiencies. In some cases, an extra heat lamp may also be necessary to maintain appropriate temperatures throughout the entire enclosure.
The wattage and type of lighting should be selected according to the size of the enclosure and the distance between the bulb and the animal. Incorrect heat output may result in burns, overheating, or insufficient temperatures. Likewise, an improperly selected UVB lamp may cause burns or emit inadequate radiation, both of which can negatively affect the reptile’s health. For Russian tortoises, lighting designed for steppe or desert reptiles is recommended, with UVB output of approximately 10%. Some manufacturers use different labeling systems, so always confirm that the chosen lighting is suitable for this species. Lighting should be provided for 10–12 hours per day.
Temperature
In its natural range, the Russian tortoise inhabits a dry, extremely continental climate. Winters are cold and windy, with temperatures dropping to around –20°C (–4°F). Summers are hot and dry, with average temperatures reaching 25°C (77°F) and exceeding 30°C (86°F) during the hottest periods. There are significant daily temperature fluctuations. Rainfall is scarce and typically occurs in spring and early summer. In winter, a thin layer of snow is usually present. Spring is the most abundant season, when the steppes receive the greatest amount of water, both from melting snow and rainfall. In summer, as conditions become increasingly hot and dry, much of the vegetation withers. During winter, the Russian tortoise retreats into an underground burrow, where it undergoes brumation (winter dormancy), thereby avoiding low temperatures and food scarcity. In some regions, during exceptionally dry summers, Russian tortoises may also remain underground, entering a state of estivation (summer dormancy).
In captive conditions, you should aim to recreate environmental parameters similar to those found in nature. However, they should be more stable than in the wild. Exposing the tortoise to extremes or sudden temperature fluctuations may negatively affect its health. Ideally, you should provide different temperature conditions in summer and winter, as well as during transitional periods, in order to maintain the natural seasonal cycle to which the species is adapted. The best approach is to provide a proper winter dormancy period as well. This will be discussed in more detail in the next section; for now, the focus is on summer temperatures.
In a Russian tortoise terrarium, the temperature should be properly graded. At one end, directly beneath the heat source, the basking spot temperature should reach approximately 32–35°C (90–95°F). From there, the temperature should gradually decrease to around 20°C (68°F) at the opposite end. This gradient creates distinct thermal zones and prevents the tortoise from experiencing abrupt temperature changes as it moves around the enclosure. The animal will naturally select the area where it feels most comfortable at any given time. It is important to emphasize that the 32–35°C refers specifically to the temperature directly beneath the heat lamp. This is the temperature of the heated surface (or the shell of the basking tortoise) as well as the air within that limited basking zone. The ambient temperature surrounding the basking area will be lower. During summer, nighttime temperatures should not fall below 18°C (64°F), although occasional cooler nights should not negatively affect a healthy tortoise in good condition.
Brumation of the Russian tortoise (Testudo horsfieldii)
In its natural habitat, the Russian tortoise undergoes winter dormancy (brumation, a reptilian form of hibernation). In captive care, this period of dormancy should also be provided. Brumation is a natural biological process that affects lifespan, immunity, overall condition, and reproduction. During brumation, the tortoise’s metabolism slows down significantly. The reptile does not eat, but it also expends very little energy. This mechanism allows it to survive until environmental conditions once again permit normal activity. In captivity, Russian tortoises typically begin preparing instinctively for brumation toward the end of September, when daylight hours shorten and average daily temperatures decrease. During this period, tortoises often dig into the substrate, preparing a shelter for the winter months.
Preparing a Russian tortoise for brumation requires providing optimal conditions during spring and summer, along with a rich and varied diet adapted to the annual cycle. In autumn, food intake should be gradually reduced, and the tortoise should be dewormed. Approximately one month before the planned brumation period, daylight hours should be gradually shortened and feeding further limited. Warm baths should also be given to help empty the digestive tract. Two weeks before brumation, feeding should be completely discontinued. A final warm bath should be provided, and the tortoise should be moved to a cooler помещение with a temperature of 10–15°C (50–59°F). Lighting should also be turned off. The next stage is the actual brumation period at 5–6°C (41–43°F), which should last 2–3 months. Waking the tortoise should likewise be gradual, with temperatures increased slowly over a period of 2–3 weeks.
If the tortoise is housed in an outdoor enclosure, you may allow the preparatory phase and the post-brumation wake-up process to occur naturally. However, it is crucial to closely monitor outdoor temperatures during this time. In many climates, spring and autumn weather can be unpredictable and highly variable. Alternating periods of frost and sudden warming are not suitable conditions for a tortoise. In such circumstances, it is safer to provide stable, controlled conditions in an indoor terrarium.
To learn more about tortoise brumation, see our article Wintering land and semi-aquatic turtles.
Access to water and humidity in a Russian Tortoise terrarium
The Russian tortoise should have constant access to a water dish. It is important that the dish has low edges that do not make it difficult for the tortoise to enter. Additionally, the surface area should be large enough for the tortoise to fit inside completely. The water must not be too deep, as this species is not able to swim. Russian tortoises enter the water infrequently and usually only for short periods. Most often, they use the dish to drink, which is why the water should be changed once daily or more often if it becomes heavily soiled. The dish itself should be heavy to prevent accidental tipping. Proper placement within the terrarium is also important. It should be positioned in the cooler part of the enclosure, away from the heat lamp. A heat source placed too close to the water may warm it excessively and contribute to an uncontrolled increase in humidity during the day.
Air humidity in a Russian tortoise terrarium should range between 40–50% during the day and 55–60% at night. These values are typically maintained without additional intervention, thanks to the natural evaporation of water from the dish and the substrate. If humidity levels are too low, regular misting of the enclosure will be necessary. In such cases, it is advisable to create varied humidity zones within the terrarium and to mist the cooler section more generously, as water will evaporate more slowly there.
What to feed a Russian tortoise?
The Russian tortoise (Testudo horsfieldii) is herbivorous and, like other tortoises of this genus, feeds primarily on grasses and meadow vegetation. Its diet is seasonal in nature.
In spring, the diet consists mainly of young shoots, flowers, fresh herbaceous plants, and grasses. In summer, when drought begins on the steppes, tortoises feed predominantly on dry plants (which, in captivity, can be replaced with dried herbs and hay). They also consume succulents, fruits, and even the droppings of herbivorous animals. Occasionally, they may eat small invertebrates, eggs of ground-nesting birds, and carrion.
The digestive system of the Russian tortoise is adapted to processing high-fiber foods. Its natural diet is low in protein, fats, and sugars; therefore, vegetables and fruits should not form part of its regular diet in captivity. An inappropriate diet can lead to numerous health problems, ranging from digestive disturbances to improper growth and development.
- Ensure the diet is most abundant in spring, after brumation. During this period, fresh plants and young shoots should predominate, and the tortoise should have constant access to food.
- In summer, introduce dried plant material and high-fiber pellets.
- In autumn, before brumation, gradually reduce the amount of food offered.
This natural feeding pattern is one of the elements that prepares the tortoise for brumation and supports a proper annual biological cycle. Food should be served in a shallow dish to prevent the tortoise from ingesting substrate. Clumps of grasses and herbs may also be planted directly into the terrarium substrate, providing both dietary variety and environmental enrichment.
Commercial plant-based diets for Russian tortoises should be rich in vitamins A and D3 and maintain a calcium-to-phosphorus ratio of approximately 2:1. Such characteristics are found in products like Tropical Biorept L and Tropical Reptiles Herbivore. For more detailed information on tortoise nutrition, see the article Wath do tortoises eat? Practical tips for keeper.
When feeding fresh and dried plants, supplementation with calcium carbonate, additional minerals, and vitamins is recommended. These are available in powder form and can be sprinkled over the food, for example Tropical Vigorept Mineral and Tropical Vigorept Multivit. Calcium carbonate is also available in the form of cuttlebone (sepia). Cuttlebone can remain in the terrarium at all times, allowing the tortoise to use it as needed. Additionally, by gnawing on sepia, the tortoise naturally wears down its keratinous beak.
Health Issues in Russian Tortoises
Like any animal, the Russian tortoise (Testudo horsfieldii) can develop illnesses or require routine care. Many health problems in tortoises result from improper husbandry. Diet has a particularly significant impact on overall health. Some diseases are associated with weakened immunity or viral infections.
One of the most common health issues in this species involves digestive problems caused by an inappropriate diet based on vegetables and fruits. Such feeding practices can lead to further metabolic and developmental disorders, which is why proper nutrition is so crucial. Russian tortoises, like other tortoise species, may also develop metabolic bone disease (rickets) if they are not provided with adequate lighting, a balanced diet, and appropriate supplementation. Parasitic infections may also occur, including both internal parasites and external parasites (such as mites). This species is additionally susceptible to fungal infections of the shell and skin, particularly if humidity levels in the terrarium are too high or if ventilation is insufficient.
Any concerning symptom should immediately draw the keeper’s attention. Early detection significantly increases the chances of successful treatment. Preventive veterinary visits and regular fecal examinations are also strongly recommended to help maintain the tortoise’s long-term health.
Is Russian tortoise a good choice for beginners?
The Russian tortoise (Testudo horsfieldii) is recommended as a first tortoise because caring for it is relatively straightforward, and the species is small to medium-sized. However, it is important to remember that the tortoise still has specific requirements that must be fully met. Even when caring for a hardy species, mistakes can occur, so it is essential to prepare thoroughly and educate yourself before deciding to bring an animal home.
This article is compiled from personal experience and literature.
Literature
- Reptile Database: https://reptile-database.reptarium.cz/Testudo/horsfieldii.
- Global Biodiversity Information Facility: https://www.gbif.org/species/299401206.
- Integrated Taxonomic Information System: https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=551867#null.
- Online Encyklopedia: https://pl.wikipedia.org/wiki/%C5%BB%C3%B3%C5%82w_stepowy.
- Schuiten B.I. 2008. Zwierzęta w terrarium, Wydawnictwo REA, 2011), 107-120.
- Terrarium: https://www.terrarium.com.pl/zolw-stepowy/.
- Ullrich W. 2001. Płazy i gady w terrarium, (Agencja Wydawnicza Jerzy Mostowski, 2005), 104-109.
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