The Russian tortoise (Agrionemys horsfieldii), also commonly known as Horsfield's tortoise or the Central Asian tortoise, is a threatened species of tortoise. Human activities in its native habitat contribute to its threatened status.
The Russian tortoise is a small tortoise species, with a size range of 13–25 cm. Females grow slightly larger (15–25 cm) to accommodate more eggs. Males average 13–20 cm. They are herbivores and feed on weeds and wild flowers.