The red-eared slider ("Trachemys scripta elegans") is a semi-aquatic turtle. It belongs to the family Emydidae. It is the most popular pet turtle in the United States. It lives in Southern United States. It is also found in many other places as an invasive species. They can be found in the US state of California where it was introduced. Rhubarb leaves are poisonous for them. Overfeeding may cause diseases for the turtles.