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Hatchlings are roughly 1 inch (2.5 cm) in length. After the first year, a hatchling, now referred to as a yearling, should be around 2-3.5" inches long. Male yearlings become sexually mature around 4 inches in length, females about 5 inches. The average length of an adult RES can vary between 7 to 12 inches. Adult males range between 7-9 inches (17.8 cm - 22.8 cm) while adult females fall between 10-12 inches (25 cm - 30.5 cm).Note: Size cannot reliably indicate age; however, captive turtles usually grow at a much faster rate. This is usually a result of overfeeding and a lack of hibernation periods. Overfeeding causes dangerous health (physical and intestinal) issues and captive RES do not need hibernation.

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11y ago
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8y ago

oldest I've seen is 19 but like most turtles with proper care can get to around 40
usually they live 20-30 years if you are taking them healthy. I only know one person who has there's to 20-30 others I know have only had there's to at least 2-3 years so try to keep yours alive to let it grow to full size

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16y ago

they can live anywhere from 10-40

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