How Big Does a Red Eared Slider Turtle Get?



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A red-eared slider turtle can grow up to 12 inches long and 35 pounds in weight. Red-eared slider turtles are one of the most popular species of turtle found in north america.

They are well-known for their distinct red patch behind their eyes. Red-eared sliders are a type of water turtle that can grow up to 12 inches long and 35 pounds in weight. These turtles are omnivores, meaning that they eat both plants and animals.

Red-eared sliders require a large space to live in and they also need a good source of heat and uvb lighting to thrive. In this article, we will discuss the different factors that can influence the size of a red-eared slider turtle and how to properly care for them.

How Big Does a Red Eared Slider Turtle Get?


What Is A Red Eared Slider Turtle?

The red eared slider turtle is a common pet reptile that is also found in the wild. These turtles are named for the striking red stripe on their ears. They have a distinct green and brown carapace, or top shell, with yellow markings on the edge.

Adult red eared slider turtles can grow to be anywhere from 7 to 12 inches long, with males usually being smaller than females. These turtles are typically found in freshwater environments, such as ponds, lakes, and streams. They are an important species in their ecosystem, playing a role in controlling populations of some aquatic plants and animals.

Red eared slider turtles are also commonly kept as pets, but it’s important to keep in mind that caring for them requires a significant amount of time and effort.

What Affects The Size Of Red Eared Slider Turtles

Red eared slider turtles are popular pets that can grow quite large. Factors that affect their growth and size include genetics, diet, and temperature. Other factors like habitat space and water quality are also important. Generally, males grow larger than females, reaching up to 8-12 inches in length.

Females, on the other hand, only reach about 10 inches. Proper diet and habitat management can help ensure healthy growth. Temperature is a crucial factor because they are cold-blooded animals. They need to be kept in a warm habitat, with water temperatures between 75 and 85 degrees fahrenheit the ideal temperature is around 80 degrees.

Providing them with a basking area and a uvb light can help maintain their optimum temperature and conditions.

Red Eared Slider Turtle Size Chart And Range

The red eared slider turtle, one of the most popular pet turtles, can grow up to a foot in length. Generally, females are larger than males. As a baby, they can be as small as a quarter, but their growth rate is quite rapid.

In just 2-3 years, they can double their size. It’s important to note that captive turtles tend to be larger than wild ones, primarily due to nutrition. The size of the habitat also impacts their growth rate. A smaller tank can stunt their growth, while a larger tank can promote healthy growth.

Be aware of the size range for adult males (5-9 inches) and females (8-12 inches) to choose a proper tank. By providing proper food and living conditions, your red eared slider turtle can lead a happy, healthy life.

Caring For Your Red Eared Slider Turtle

Red eared slider turtles make great pets! When caring for your red eared slider turtle, housing and environment are crucial. The tank should be filled with water up to 75% of its height, and should contain a floating basking area out of direct sunlight.

The water temperature should be kept between 75 and 86 degrees fahrenheit, and the ambient temperature between 70 and 75 degrees fahrenheit. For feeding and diet, feed your turtle protein-rich foods like worms, insects, and cooked poultry in moderation, and supplement with plant matter like leafy greens.

As for potential health issues, a turtle’s size can be affected by external factors like water temperature and diet, so it’s important to provide a balanced environment and diet. By following these guidelines, your red eared slider turtle can thrive for many years to come!

Frequently Asked Questions For How Big Does A Red Eared Slider Turtle Get?

How Big Do Red-Eared Slider Turtles Get?

Red-eared sliders can grow up to 12 inches in length, with males being smaller than females. Their size is determined by genetics and the environment they are in. Proper care such as a healthy diet and a clean living environment, can help them reach their full potential size.

How Long Do Red-Eared Slider Turtles Live?

With proper care, red-eared sliders can live for 20 to 30 years or more. In the wild, their lifespan is shorter due to the risk of predation, disease, and habitat destruction.

What Do Red-Eared Slider Turtles Eat?

Red-eared sliders are omnivores and eat a variety of foods including insects, fish, aquatic plants, and vegetables such as lettuce and carrots. Commercial turtle pellets can be given as a supplementary food source.

Can Red-Eared Slider Turtles Live In Aquariums?

Yes, red-eared sliders can live in aquariums as long as the aquarium is large enough, with proper filtration, and heating. A minimum of 40 gallons of water per turtle is recommended. Clean water is essential to their health.

Do Red-Eared Slider Turtles Need Sunlight?

Yes, red-eared sliders need sunlight or uvb lighting to metabolize calcium for strong shells and bones. If kept indoors, a uvb bulb must be provided for at least 12 hours a day. They also enjoy basking under a heat lamp for warmth.


After reading this article, it’s safe to say that red-eared slider turtles are a popular pet choice for many people. Their cuteness and easy-to-care-for nature make them a great addition to any household. However, it’s important to remember that these are living creatures and they require proper care and attention.

Understanding the growth rate, size, and lifespan of red-eared slider turtles can help pet owners provide the best environment for their pet. It’s important to give them the proper diet, housing, and tank filtration to ensure they remain healthy and thrive in their environment.

With proper care, your red-eared slider turtle can live for several decades and provide you with many happy memories. Keep learning and seeking new information to ensure you’re providing the best care for your beloved pet.

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