Different species of snake-necked turtle have different body lengths, and there are many species of snake-necked turtle, specifically, there are about 30 species. Because of the differences between different breeds, their body lengths are different in adulthood. Under normal breeding conditions, most snake-necked turtles are between 15 and 25 cm in length, and the largest one will not exceed 25 cm. Of course, there are also some larger snake-necked turtles with a body length of 40 cm. If the living environment is comfortable, their body size can grow to more than 40 cm.

The body shape of cultured snake-necked turtles is affected by environment, space and feeding. If the breeder wants to make them grow bigger, he must feed them enough food and ensure adequate nutrition. In addition, breeders should ensure that the environment is stable and there is enough space, so that their bodies can develop bigger.

The life span of snake-necked turtle is mostly about 30 years. If it is a snake-necked turtle living in the wild, its life span can reach 50 years as long as the surrounding environment is not polluted. The life span of artificially bred snake-necked turtles is quite different. If they are raised properly, their life span will be prolonged. If the feeding method is wrong, and the snake-necked turtle has poor physique, its life span will also be reduced. Snake-necked turtle is sensitive to the environment in its infancy, and it is easy to get sick. Breeders need careful care to make them grow up healthily.