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Some federal rules apply In-depth sheet

Russian tortoise

Testudo horsfieldii

Also known as Central Asian Tortoise, Four-toed Tortoise, Horsfield's Tortoise, Steppe Tortoise, Horsfield’s Tortoise, Fergana Valley Steppe Tortoise [bogdanovi], Kazakhstan Steppe Tortoise [kazachstanica], Turkmenistan Steppe Tortoise [kuznetzovi], Kopet-Dag Steppe Tortoise [rustamovi]

Reptiles › Turtles and tortoises (Testudines) › Testudinidae (Tortoises)

Russian (Horsfield's) tortoises are small, hardy tortoises that live 40+ years. Clint's Reptiles scores them 4.4/5.

Pet trade
Experience: Beginner
Russian tortoise
Photo: Yuriy75, CC BY-SA 3.0, via Wikimedia Commons
Lifespan40+ years
ActiveDay
DietWeeds and greens
Clint's rating4.4/5

Care at a glance

Species-specific values

Values researched for this exact species. Where they differ from the group guide below, follow these. Air, surface and water temperatures are listed separately, and each source is kept as published rather than averaged.

Minimum enclosure dimensionslength: 7 ft; width: 3.5 ft; height: 2 ft
One adult; RF current recommendation, not an older 4 x 2 ft adult minimum.
223
Basking surface temperature95 °F
Probe on basking surface.
223
Cool zone temperature75–85 °F
Source labels cool-zone temperature without explicitly identifying measurement type.
223
Night temperature70–75 °F
RF indoor regime; not brumation temperatures.
223
Juvenile relative humidity40–75 %
Day/night variation; humid hide available at every age.
223
Adult length5–10 in
Overall shell/body-length estimate in source.
223
Lifespanpossible at least: 50 years
Care-sheet estimate, not a survival guarantee.
223
DietVaried fibrous leafy forage, grasses and safe weeds; sugary fruit is not a staple.223
Social needsSingle housing is acceptable; do not house multiple males together.223

Care guide

Diet

  • Mostly weeds (over 70% of the diet) with vegetables and salad if weeds aren't available.

Sources 47

Lighting

  • Strong UVB (10–12%) for about 12 hours a day.

Sources 47

Show the group care guide for mediterranean, desert and small tortoises
Group care guide

Mediterranean, desert and small tortoises

Applies to most species in this group. Habitat: Dry scrub and desert. Individual species can differ, so compare with the species numbers above and the linked sources.

Native gopher and desert tortoises are protected; private possession is heavily restricted.

Housing & setup

  • Tortoise tables indoors or secure outdoor pens; deep substrate for burrowers like Russian tortoises.
  • Winter management must follow the identified species and veterinary advice. Egyptian tortoise guidelines prescribe seasonal air changes while retaining a warm basking surface; do not extrapolate temperate Testudo hibernation to every tortoise here.

Sources 1131144799223232218

Climate & lighting

Starting point only: Juvenile Russian and seasonally maintained Egyptian tortoises are not described by a constant dry regime. Check the species-specific values for this animal where shown.

Basking spot95–100°F
Warm side / daytime80–85°F
Cool side68–75°F
Humidity30–50%
  • UVB: Required (strong).

Sources 1131144799223232218

Diet

  • High-fiber weeds and greens; avoid fruit.

Sources 1131144799223232218

Health watch

  • Respiratory infections in damp cold; overgrown beaks without abrasive food.

Sources 1131144799223232218

Understanding the animal

In the wild

In the wild

Researched for this exact species, not its family. Good care copies these conditions.12345678

Where it livesCentral Asian dry steppe, rocky desert and hillsides. It often concentrates near springs, brooks or oases where seasonal vegetation is available, and shelters in burrows or beneath rocks.
Ground it lives onSandy or loamy soil among rocks and sparse plants, suitable for digging long burrows.
ClimateStrong continental seasonality with winter cold and hot dry summers. A field study recorded emergence with substrate as low as 53°F and surfaces exceeding 104°F from mid-May; these are field exposures, not captive targets. Numeric wild humidity was not established.
ActiveDiurnal, concentrated in spring; winter brumation and summer aestivation occur according to locality.
Social lifeBurrows may be shared and are not necessarily defended; animals do not form coordinated feeding groups.
Wild dietHerbaceous leaves, flowers and other vegetation; an Uzbekistan field study found strong selection for non-grass plants and avoidance of grasses.
Behavior to plan forExcavates long burrows and retreats underground during heat and overnight. Its annual surface-active season can be only about three months.

What this means for care

  • Provide deep diggable substrate and barriers extending below ground.
  • Offer broadleaf weeds and leaves rather than a grass-only grazing diet.
  • Provide thermally sheltered retreats.
  • Treat seasonal dormancy as locality-dependent and plan it with species-specific guidance.
  1. Naturalis, Turtles of the World: Testudo horsfieldii
  2. Thermal Biology and Dayly Activity of Central Asian Tortoise
  3. Lagarde et al.: Foraging behaviour and diet of an ectothermic herbivore: Testudo horsfieldi
  4. Care and Breeding of the Afghan or Steppe tortoise, Testudo horsfieldii
  5. Wikipedia: Central Asian tortoise
  6. The Reptile Database: Testudo horsfieldii
  7. Russian Tortoise Care Sheet | ReptiFiles
  8. Russian Tortoise Care Sheet - Reptiles Magazine
Profile

Profile

Researched for this exact species. Sources are listed under In the wild above.

History

The species was placed for several decades in the proposed genus Agrionemys, although that treatment was never unanimous. In 2021 it was again classified in Testudo, with Agrionemys treated as a subgenus. The familiar name 'Russian tortoise' reflects its historical export through the Soviet Union rather than a specifically Russian origin.

Keeper tips

  • Provide the opportunity to burrow.
  • Plan for several decades of care.
  • Consider the animal's origin when acquiring one because Reptiles Magazine states that many adults and subadults in the trade are imported wild-caught animals.
  • Do not assume that a small adult body size means minimal long-term care requirements.

Behaviors reported

  • Burrows when given the opportunity.
  • Described as more active than some other tortoises.
  • Described as feisty and eager to eat.

Unique adaptations

  • Four toes on each forefoot.
  • Enlarged scales on the tail and thighs.
  • A clawlike spur at the end of the tail.
  • Burrowing is associated with a high tolerance for temperature extremes.

Remarkable facts

  • ReptiFiles gives an adult length of about 5-10 inches, while Reptiles Magazine gives a maximum around 8-10 inches.
  • Females are generally larger than males.
  • Other names include Afghan tortoise, Horsfield's tortoise, Central Asian tortoise, four-clawed tortoise, four-toed tortoise and steppe tortoise.
  • The common pet-trade name 'Russian tortoise' became established after animals were heavily exported from Soviet Central Asia.
  • The species is considered threatened, with human activity in its native habitat contributing to its status.
  • The Reptile Database reports viable hybrids with Testudo graeca ibera and hybrids with Testudo hermanni boettgeri.

Stories

  • Two Testudo horsfieldii traveled aboard the Soviet Zond 5 mission in September 1968 and became the first Earth inhabitants to travel around the Moon.
From the sources

From the sources

Quoted from the matching sections of reputable sources for this exact species. Specialist databases are used first; Wikipedia (community-edited, CC BY-SA 4.0) only fills gaps. Other sources are short credited quotes.

OverviewThe Central Asian tortoise (Testudo horsfieldii), also commonly known as the Afghan tortoise, the steppe tortoise, the Russian tortoise (mainly in the pet trade), Horsfield's tortoise, the four-clawed tortoise, the four-toed tortoise, the Russian steppe tortoise, the Soviet tortoise, is a threatened species of tortoise in the family Testudinidae. The species is endemic to Central Asia from the Caspian Sea south through Iran, Pakistan and Afghanistan, and east across Kazakhstan to Xinjiang, China. Human activities in its native habitat contribute to its threatened status. — Wikipedia (community-edited)
Where it livesRange: S Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, N/E Iran, Afghanistan, N Pakistan, N/W Baluchistan, NW China (Xinjiang); elevations up to 2400 m (in Afghanistan fide WERNING & WOLF 2007). — The Reptile Database
ReproductionTestudo horsfieldii and Testudo graeca ibera have been reported to produce viable hybrids (KABISCH 2001). T. horsfieldii produced also hybrids with T. hermanni boettgeri (STEINLE 1977, FRITZ 1995). — The Reptile Database
Appearance and sizeThe Russian tortoise is a small tortoise species, with a size range of 13–25 cm. Females grow slightly larger (15–25 cm) to accommodate eggs. Russian tortoises are sexually dimorphic. — Wikipedia (community-edited)
History and namingNamed after Dr. Thomas Horsfield (1773-1859), American naturalist and physician. He worked in Java (1796) and for the East India Company and later became a friend of Sir Thomas Raffles. — The Reptile Database

Data and studies

Researched care notes

Researched care notes

Findings checked against veterinary, zoo, welfare, keeper and peer-reviewed sources. Air, basking-surface and water temperatures are kept separate, and where sources disagree both are shown. “Study” notes report what a paper measured, not a universal rule.

Russian Tortoise

  • Plan a substantial walking pen; ReptiFiles recommends about 2.1 × 1.1 m for one adult, but this husbandry recommendation is not an experimentally validated welfare threshold.1
  • Outdoor pens need well-drained ground, shade, sunlight, predator protection and barriers against both climbing and digging escapes.1
  • Surface: ReptiFiles recommends a basking surface around 95°F (35°C), checked at the actual basking substrate.1
  • Provide a humid retreat rather than assuming a dry-region tortoise should experience uniformly dry substrate and air.1
  • Base the diet on varied fibrous leafy plants, weeds and appropriate grasses; a fruit-heavy or animal-protein-heavy ration is inappropriate.1
  • Individual housing is acceptable; do not assume tortoises need a companion, and monitor any shared housing for aggression and breeding pressure.1
  • Provide continuously available clean drinking water in a shallow, easily entered dish; remove fouling promptly.1
  • Uvb: ReptiFiles recommends basking UVI around 3–4, accounting for the lamp fixture, mesh and the tortoise's position.1
  1. ReptiFiles — Russian Tortoise Care Sheet
The numbers

The numbers

Each bar is what one source reports. Where several sources weigh in, the dashed gold band marks their average.

Basking (Testudo group guidance)

Reported95°F
Royal Veterinary College Exotics Service 4795

RVC's guidance for Mediterranean Testudo tortoises as a group; cool end 68–77°F.

Typical adult weight

Reported35.9oz
Myhrvold et al. 16335.9

Average adult body mass in each database (FishBase gives the maximum recorded weight).

Clutch size

Reported4eggs
Myhrvold et al. 1634

Average per litter or clutch.

Incubation

Reported76days
Myhrvold et al. 16376

Night temperature

Reported50°F
ReptiFiles 16950

Species-specific values from keeper care sheets. Basking figures are often surface readings taken with an infrared thermometer, which run hotter than air.

Humidity

Reported40–75 %
ReptiFiles 16940–75

Species-specific values from keeper care sheets. Basking figures are often surface readings taken with an infrared thermometer, which run hotter than air.

Care articles for this species

Care articles for this species

Written by keepers, breeders and vets 168169

Veterinary & husbandry research

Veterinary & husbandry research

Peer-reviewed papers that mention this species alongside captivity, zoos, veterinary care or aquaculture. Some cover several species or mention it only in passing, so check the abstract. See all 8 on PubMed → 170

Sources for this sheet

  1. Royal Veterinary College Exotics Service: Mediterranean tortoise care Zoo, university or veterinaryVet-school exotics hospital factsheet, reviewed 2021–2024.
  2. Clint's Reptiles (YouTube): Russian Tortoise, The Best Pet Turtle? Expert educator & keeperClint Laidlaw, PhD in Biology Education and MS in Evolutionary Ecology; owner of Clint's Reptile Room and a longtime keeper. Rates each species on handleability, care, hardiness, availability and upfront cost.
  3. Myhrvold et al. (2015). An amniote life-history database. Ecology 96: 3109 Peer-reviewed researchPeer-reviewed compilation of life-history data for over 21,000 birds, mammals and reptiles.
  4. ReptiFiles (care guides) Experienced keeper or breederWell-researched reptile care guides that cite herpetological literature and experienced keepers.
  5. Species+ (UNEP-WCMC and the CITES Secretariat) Zoo, university or veterinaryThe official database of species listed under CITES.
  6. USFWS International Affairs: CITES Zoo, university or veterinaryFederal agency that issues CITES permits.
  7. 21 CFR 1240.62: Turtles under 4 inches (FDA) Zoo, university or veterinaryFederal ban on selling small turtles.
  8. Merck Veterinary Manual: Management and husbandry of reptiles Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.
  9. Merck Veterinary Manual: Nutritional, metabolic and endocrine diseases of reptiles Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.
  10. ReptiFiles: Russian tortoise care sheet Zoo, university or veterinaryAdded in the 2026 source-checked care-guide review.
  11. EAZA: Egyptian tortoise Best Practice Guidelines (2019) Zoo, university or veterinaryAdded in the 2026 source-checked care-guide review.
  12. Merck Veterinary Manual: Important Husbandry Requirements for Selected Reptiles Zoo, university or veterinaryAdded in the 2026 source-checked care-guide review.
  13. Clint's Reptiles (YouTube): Russian Tortoise, The Best Pet Turtle? Expert educator & keeperClint Laidlaw, PhD in Biology Education and MS in Evolutionary Ecology; owner of Clint's Reptile Room and a longtime keeper. His "Best Pet?" series reviews each species' care in depth.
  14. The Reptile Database Peer-reviewed researchScientist-curated catalog of every reptile species, with taxonomy and literature.
  15. GBIF Backbone Taxonomy (Global Biodiversity Information Facility) Peer-reviewed researchInternational scientific taxonomy used here for classification.
  16. Wikipedia (species article) Community referenceFree encyclopedia; useful overviews with their own citations. Intro text is quoted under CC BY-SA 4.0.
  17. PubMed (U.S. National Library of Medicine) Peer-reviewed researchIndex of peer-reviewed veterinary, zoo and husbandry research.
  18. iNaturalist (captive observations) Community referenceCommunity observation platform run by the California Academy of Sciences and National Geographic; observations marked captive show animals living in homes, zoos and aquariums.
  19. Reptiles Magazine (care articles) Experienced keeper or breederEstablished reptile and amphibian hobby magazine; care articles are written by breeders, keepers and veterinarians.

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