Caspian turtle and swamp turtle is common at the fresh water ponds and canals.

The eastern Caspian turtle (Mauremys caspica caspica) was recently split into three forms.

The Balkan pond turtle or Western Caspian turtle (Mauremys rivulata) is a species of turtle in the family Geoemydidae.

The spotted-bellied Caspian turtle (M. c. ventrimaculata is endemic to the highlands of the Kor and Maharloo basins in southern Iran.

Siebenrock's Caspian turtle (M. c. siebenrocki ), occurs in Iran and Iraq, with relict populations in Saudi Arabia and on the island of Bahrain; it intergrades with M. c. caspica in Mesopotamia.

Four subspecies are recognized: The eastern Caspian turtle, Siebenrock's Caspian turtle, the spotted-bellied Caspian turtle, and the western Caspian turtle.