36 species of snakes, including 17 endemic forms, belonging to six families have been recorded from kannaliya. Within the reserve, a higher diversity of reptile fauna is found in the middle kannaliya areas. Those included Blind snakes, Shield tailed snakes, Python and Boas, Cobras, Vipers and many more. Dumutu Kanaulla, , Pimbura, Pala polanga Thith Polanga, Kunakatuwa and especial of them Depath naya.