Yellow-bellied sliders (Trachemys scripta scripta) are a species of freshwater turtles that are commonly found in the southeastern United States. These turtles are known for their bright yellow markings on their belly and neck. Yellow-bellied sliders are moderately sized and can grow to a variety of sizes depending on factors such as gender and environmental conditions.

1. Size at Maturity

• Shell Length: Yellow-bellied sliders typically grow to about 8 to 10 inches (20 to 25 cm) in shell length when fully mature.
• Weight: These turtles generally weigh between 1 and 2 pounds (0.45 to 0.9 kg) as adults. However, some may grow slightly larger depending on their environment and diet.

2. Male vs Female Size

• Males: Male yellow-bellied sliders are usually smaller than females. Adult males generally reach a shell length of 6 to 8 inches (15 to 20 cm).
• Females: Females tend to be larger and can reach a shell length of 8 to 10 inches (20 to 25 cm). In some cases, females may grow slightly larger than 10 inches.

3. Growth Rate

• Juvenile Size: Hatchlings are very small when they are born, typically measuring around 1 to 1.5 inches (2.5 to 4 cm) in length.
• Growth Time: Yellow-bellied sliders grow relatively quickly, especially in a healthy environment with proper diet and lighting. They typically reach full size by the age of 5 to 7 years.

4. Factors Affecting Size

• Diet: A well-balanced diet of protein, vegetables, and calcium is essential for proper growth. Adequate nutrition can help them reach their full size.
• Environment: Yellow-bellied sliders in captivity often grow to their full size more rapidly than those in the wild due to the availability of consistent food and optimal conditions such as temperature and water quality.
• Temperature: Warmer temperatures generally encourage faster growth in turtles, as they are cold-blooded and depend on external heat to regulate their metabolism.

5. Conclusion: How Big Does a Yellow-Belly Turtle Get?

• Adults: Typically reach a shell length of 8 to 10 inches (20 to 25 cm), weighing between 1 to 2 pounds (0.45 to 0.9 kg).
• Males: Generally grow to 6 to 8 inches (15 to 20 cm) in shell length.
• Females: Tend to be larger, reaching up to 10 inches (25 cm) or slightly more.

Yellow-bellied sliders are moderately sized turtles that are relatively easy to care for in captivity, as long as they are given proper diet, space, and environmental conditions.