The body length of the flame turtle can reach 35-45 cm and the weight can reach 1-2 kg in adulthood. How big they can grow depends on the feeding environment and the food they are fed. If there is enough space for raising them and the food and nutrition are better, their body size can grow to more than 45 cm and their weight may reach more than 2 kg. If they are not raised properly and in small containers, they will not grow very big. Although their containers will affect their body size, they will not affect their weight. As long as they have enough food, their weight can reach about 2 kg.

Flame turtles have a long life span, so they will enter the breeding age longer, and it takes 7-8 years for artificially raised flame turtles to develop and mature. However, the specific time is uncertain, and it depends on the way of feeding. Flame tortoises that survive in the wild take longer to mature, and it takes about 8-9 years. Breeders of flame turtles had better not let them breed when they are mature, because they have just matured and their organs are unstable. Immediate reproduction will not only affect the number of reproduction, but also affect the quality of reproduction, so breeders had better wait until the following year before letting them breed.