Pet turtles exhibit a range of behaviors that can vary depending on their species, age, and environment. Some common behaviors of pet turtles include basking under a heat lamp to regulate their body temperature, swimming or soaking in water to stay hydrated, exploring their habitat, and interacting with objects or tankmates. Turtles may also show feeding behaviors such as eagerly looking for food or begging for treats. Additionally, they may display defensive behaviors like retracting into their shell when feeling threatened. It's important to observe and understand your pet turtle's behaviors to ensure their health and well-being.